[{"date_created":"2024-06-28T13:02:59Z","type":"conference_poster","date_updated":"2024-07-01T08:30:08Z","user_id":"83781","language":[{"iso":"eng"}],"keyword":["pasteurization","D value","z-value","heat energy savings","large scale trials","biological stability","yeast"],"_id":"11607","title":"How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization","publication_status":"published","citation":{"short":"J. Nolte, L. Hense, I. Weishaupt, J. Schneider, How Do You Turn a Shotgun into a Precision Rifle - Significant Heat Savings through the Use of Kinetic Laboratory Data (D/z Values) in Large-Scale Pasteurization, 2024.","chicago-de":"Nolte, Jannik, Ludger  Hense, Imke Weishaupt und Jan Schneider. 2024. <i>How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization</i>.","din1505-2-1":"<span style=\"font-variant:small-caps;\">Nolte, Jannik</span> ; <span style=\"font-variant:small-caps;\">Hense, Ludger </span> ; <span style=\"font-variant:small-caps;\">Weishaupt, Imke</span> ; <span style=\"font-variant:small-caps;\">Schneider, Jan</span>: <i>How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization</i>, 2024","ama":"Nolte J, Hense L, Weishaupt I, Schneider J. <i>How Do You Turn a Shotgun into a Precision Rifle - Significant Heat Savings through the Use of Kinetic Laboratory Data (D/z Values) in Large-Scale Pasteurization</i>.; 2024.","van":"Nolte J, Hense L, Weishaupt I, Schneider J. How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization. 2024.","havard":"J. Nolte, L. Hense, I. Weishaupt, J. Schneider, How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization, 2024.","bjps":"<b>Nolte J <i>et al.</i></b> (2024) <i>How Do You Turn a Shotgun into a Precision Rifle - Significant Heat Savings through the Use of Kinetic Laboratory Data (D/z Values) in Large-Scale Pasteurization</i>. .","mla":"Nolte, Jannik, et al. <i>How Do You Turn a Shotgun into a Precision Rifle - Significant Heat Savings through the Use of Kinetic Laboratory Data (D/z Values) in Large-Scale Pasteurization</i>. 2024.","ufg":"<b>Nolte, Jannik u. a.</b>: How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization, o. O. 2024.","ieee":"J. Nolte, L. Hense, I. Weishaupt, and J. Schneider, <i>How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization</i>. 2024.","apa":"Nolte, J., Hense, L., Weishaupt, I., &#38; Schneider, J. (2024). <i>How do you turn a shotgun into a precision rifle - significant heat savings through the use of kinetic laboratory data (D/z values) in large-scale pasteurization</i>. 39th EBC Congress 2024, Lille.","chicago":"Nolte, Jannik, Ludger  Hense, Imke Weishaupt, and Jan Schneider. <i>How Do You Turn a Shotgun into a Precision Rifle - Significant Heat Savings through the Use of Kinetic Laboratory Data (D/z Values) in Large-Scale Pasteurization</i>, 2024."},"department":[{"_id":"DEP4028"},{"_id":"DEP4018"}],"conference":{"start_date":"2024-05-26","end_date":"2024-05-30","location":"Lille","name":"39th EBC Congress 2024"},"year":"2024","author":[{"first_name":"Jannik","full_name":"Nolte, Jannik","last_name":"Nolte"},{"first_name":"Ludger ","last_name":"Hense","full_name":"Hense, Ludger "},{"first_name":"Imke","last_name":"Weishaupt","id":"58425","full_name":"Weishaupt, Imke"},{"orcid":"0000-0001-6401-8873","full_name":"Schneider, Jan","id":"13209","last_name":"Schneider","first_name":"Jan"}],"abstract":[{"lang":"eng","text":"Pasteurization of bottles and cans is an important technique for biological stabilization of beer as well as mixed beer drinks, malt beer and non-alcoholic beers. Despite recuperation, the heat requirement is very high and can be significantly reduced by lowering the maximum temperature in the pasteurizer. The current practice of calculating the lethal heat effect is based on the so-called beer formula using a globalized z-value for the temperature dependence of the inactivation. The premise experiments here is that for products containing sugar, such as malt beer, yeast cells pose the greatest danger. Therefore, the D values at various temperatures and the z values of three of the Krombacher Brewery's own yeasts (bottom-fermenting and top-fermenting) were determined in the laboratory using the capillary method. In a challenge test in the brewery, bottles with different products were inoculated with these yeasts and samples were taken from the industrial pasteurizer every two minutes and examined for viable cell counts. Accordingly, using specific D/z values, precise pasteurization can be achieved, the treatment temperature can be reduced to 55° C and 20-25% of energy can be saved."}],"status":"public"},{"doi":"10.1007/s11540-021-09535-8","_id":"12833","place":"Dordrecht","type":"scientific_journal_article","intvolume":"        65","user_id":"83781","issue":"3","abstract":[{"text":"In Northwestern Europe, Germany, France, the Netherlands, the UK and Belgium constitute the biggest five potato producers, with total potato crop production around 60% of EU-28 production before Brexit. Soil and climate conditions are highly favourable for potato growth in this region. Production is under driving forces of (i) the potato processing industry, particularly in Belgium; (ii) the innovation for fresh potato in the UK, France and Germany; (iii) the leadership of Germany and the Netherlands for starch potato; and (iv) the dominance of the Netherlands for seed production. Based on an industrial agri-food production system, the region has the highest potato yield levels worldwide and developed relevant trade networks for export of seed, fresh and processed potato products in and outside Europe. Conventional and intensive potato production is widespread over the region, whilst organic production started to develop in Germany and France. Whether the coming decades will be as successful as the last ones for sustainable potato production will depend on how the sector and stakeholders of the whole potato value-chain will overcome new issues and challenges. These are mainly soil quality and health conservation, consequences of climate change, increasing bans on the use of plant protection products, tightening environmental standards, food waste reduction and increasing trade tensions hampering the flow of potatoes around the world. After a detailed description of the potato production in the region, this paper contains a SWOT analysis aiming to identify potential solutions to overcome environmental, technical, economic, political and societal issues in the region for sustainable potato production in the coming years and decades.","lang":"eng"}],"department":[{"_id":"DEP4000"},{"_id":"DEP4028"}],"publisher":"Springer ","isi":"1","publication_status":"published","language":[{"iso":"eng"}],"keyword":["Industrial agri-food production","Production practices","Sustainability","Value-chain"],"date_created":"2025-04-23T08:28:07Z","publication":"  Potato research : journal of the European Association for Potato Research","publication_identifier":{"eissn":["1871-4528"],"issn":["0014-3065"]},"date_updated":"2025-06-26T13:26:42Z","external_id":{"isi":["000749166300001"],"pmid":["35106009"]},"year":"2022","author":[{"first_name":"Jean-Pierre","full_name":"Goffart, Jean-Pierre","last_name":"Goffart"},{"last_name":"Haverkort","first_name":"Anton","full_name":"Haverkort, Anton"},{"last_name":"Storey","first_name":"Michael","full_name":"Storey, Michael"},{"first_name":"Norbert","id":"58390","last_name":"Haase","full_name":"Haase, Norbert"},{"full_name":"Martin, Michel","first_name":"Michel","last_name":"Martin"},{"last_name":"Lebrun","first_name":"Pierre","full_name":"Lebrun, Pierre"},{"last_name":"Ryckmans","full_name":"Ryckmans, Daniel","first_name":"Daniel"},{"full_name":"Florins, Dominique","first_name":"Dominique","last_name":"Florins"},{"first_name":"Kürt","full_name":"Demeulemeester, Kürt","last_name":"Demeulemeester"}],"page":"503-547","pmid":"1","status":"public","title":"Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities","volume":65,"citation":{"ama":"Goffart JP, Haverkort A, Storey M, et al. Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities. <i>  Potato research : journal of the European Association for Potato Research</i>. 2022;65(3):503-547. doi:<a href=\"https://doi.org/10.1007/s11540-021-09535-8\">10.1007/s11540-021-09535-8</a>","ieee":"J.-P. Goffart <i>et al.</i>, “Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities,” <i>  Potato research : journal of the European Association for Potato Research</i>, vol. 65, no. 3, pp. 503–547, 2022, doi: <a href=\"https://doi.org/10.1007/s11540-021-09535-8\">10.1007/s11540-021-09535-8</a>.","van":"Goffart JP, Haverkort A, Storey M, Haase N, Martin M, Lebrun P, et al. Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities.   Potato research : journal of the European Association for Potato Research. 2022;65(3):503–47.","ufg":"<b>Goffart, Jean-Pierre u. a.</b>: Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities, in: <i>  Potato research : journal of the European Association for Potato Research</i> 65 (2022), H. 3,  S. 503–547.","bjps":"<b>Goffart J-P <i>et al.</i></b> (2022) Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities. <i>  Potato research : journal of the European Association for Potato Research</i> <b>65</b>, 503–547.","mla":"Goffart, Jean-Pierre, et al. “Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities.” <i>  Potato Research : Journal of the European Association for Potato Research</i>, vol. 65, no. 3, 2022, pp. 503–47, <a href=\"https://doi.org/10.1007/s11540-021-09535-8\">https://doi.org/10.1007/s11540-021-09535-8</a>.","havard":"J.-P. Goffart, A. Haverkort, M. Storey, N. Haase, M. Martin, P. Lebrun, D. Ryckmans, D. Florins, K. Demeulemeester, Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities,   Potato Research : Journal of the European Association for Potato Research. 65 (2022) 503–547.","apa":"Goffart, J.-P., Haverkort, A., Storey, M., Haase, N., Martin, M., Lebrun, P., Ryckmans, D., Florins, D., &#38; Demeulemeester, K. (2022). Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities. <i>  Potato Research : Journal of the European Association for Potato Research</i>, <i>65</i>(3), 503–547. <a href=\"https://doi.org/10.1007/s11540-021-09535-8\">https://doi.org/10.1007/s11540-021-09535-8</a>","chicago":"Goffart, Jean-Pierre, Anton Haverkort, Michael Storey, Norbert Haase, Michel Martin, Pierre Lebrun, Daniel Ryckmans, Dominique Florins, and Kürt Demeulemeester. “Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities.” <i>  Potato Research : Journal of the European Association for Potato Research</i> 65, no. 3 (2022): 503–47. <a href=\"https://doi.org/10.1007/s11540-021-09535-8\">https://doi.org/10.1007/s11540-021-09535-8</a>.","short":"J.-P. Goffart, A. Haverkort, M. Storey, N. Haase, M. Martin, P. Lebrun, D. Ryckmans, D. Florins, K. Demeulemeester,   Potato Research : Journal of the European Association for Potato Research 65 (2022) 503–547.","chicago-de":"Goffart, Jean-Pierre, Anton Haverkort, Michael Storey, Norbert Haase, Michel Martin, Pierre Lebrun, Daniel Ryckmans, Dominique Florins und Kürt Demeulemeester. 2022. Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities. <i>  Potato research : journal of the European Association for Potato Research</i> 65, Nr. 3: 503–547. doi:<a href=\"https://doi.org/10.1007/s11540-021-09535-8\">10.1007/s11540-021-09535-8</a>, .","din1505-2-1":"<span style=\"font-variant:small-caps;\"><span style=\"font-variant:small-caps;\">Goffart, Jean-Pierre</span> ; <span style=\"font-variant:small-caps;\">Haverkort, Anton</span> ; <span style=\"font-variant:small-caps;\">Storey, Michael</span> ; <span style=\"font-variant:small-caps;\">Haase, Norbert</span> ; <span style=\"font-variant:small-caps;\">Martin, Michel</span> ; <span style=\"font-variant:small-caps;\">Lebrun, Pierre</span> ; <span style=\"font-variant:small-caps;\">Ryckmans, Daniel</span> ; <span style=\"font-variant:small-caps;\">Florins, Dominique</span> ; u. a.</span>: Potato Production in Northwestern Europe (Germany, France, the Netherlands, United Kingdom, Belgium): Characteristics, Issues, Challenges and Opportunities. In: <i>  Potato research : journal of the European Association for Potato Research</i> Bd. 65. Dordrecht, Springer  (2022), Nr. 3, S. 503–547"}},{"abstract":[{"text":"This paper aims to demonstrate and discuss how social media data may serve to elucidate and determine landscape scenic values for planning purposes. Analysing landscape perception by em-ploying social media data has the potential to be an efficient and effective way of integrating infor-mation on public landscape perception into planning practice. The paper presents a GIS-based approach to landscape quality assessment that includes data harvested from social media. The approach was de-veloped to be used for planning purposes at a variety of different scales. ","lang":"eng"}],"conference":{"end_date":"2021-05-28","start_date":"2021-05-26","location":"Dessau; Köthen; Bernburg","name":"22. International Conference on Digital Landscape Architecture "},"department":[{"_id":"DEP9013"},{"_id":"DEP1310"}],"publisher":"Wichmann Verlag","publication_status":"published","doi":"10.14627/537705026","_id":"11290","place":"Berlin","type":"industry_journal_article","intvolume":"         6","user_id":"83781","author":[{"full_name":"Kaußen, Lucas","first_name":"Lucas","last_name":"Kaußen","id":"52183"},{"last_name":"Stemmer","first_name":"Boris","full_name":"Stemmer, Boris","id":"64889"},{"full_name":"Bernstein, Franziska","first_name":"Franziska","last_name":"Bernstein"}],"year":"2021","page":"295-305","status":"public","title":"GIS-Landscape Quality Assessment Using Social Media Data","volume":6,"citation":{"van":"Kaußen L, Stemmer B, Bernstein F. GIS-Landscape Quality Assessment Using Social Media Data. Journal of Digital Landscape Architecture. 2021;6:295–305.","ama":"Kaußen L, Stemmer B, Bernstein F. GIS-Landscape Quality Assessment Using Social Media Data. <i>Journal of Digital Landscape Architecture</i>. 2021;6:295-305. doi:<a href=\"https://doi.org/10.14627/537705026\">10.14627/537705026</a>","ufg":"<b>Kaußen, Lucas/Stemmer, Boris/Bernstein, Franziska</b>: GIS-Landscape Quality Assessment Using Social Media Data, in: <i>Journal of Digital Landscape Architecture</i> 6 (2021),  S. 295–305.","bjps":"<b>Kaußen L, Stemmer B and Bernstein F</b> (2021) GIS-Landscape Quality Assessment Using Social Media Data. <i>Journal of Digital Landscape Architecture</i> <b>6</b>, 295–305.","havard":"L. Kaußen, B. Stemmer, F. Bernstein, GIS-Landscape Quality Assessment Using Social Media Data, Journal of Digital Landscape Architecture. 6 (2021) 295–305.","mla":"Kaußen, Lucas, et al. “GIS-Landscape Quality Assessment Using Social Media Data.” <i>Journal of Digital Landscape Architecture</i>, vol. 6, 2021, pp. 295–305, <a href=\"https://doi.org/10.14627/537705026\">https://doi.org/10.14627/537705026</a>.","apa":"Kaußen, L., Stemmer, B., &#38; Bernstein, F. (2021). GIS-Landscape Quality Assessment Using Social Media Data. <i>Journal of Digital Landscape Architecture</i>, <i>6</i>, 295–305. <a href=\"https://doi.org/10.14627/537705026\">https://doi.org/10.14627/537705026</a>","ieee":"L. Kaußen, B. Stemmer, and F. Bernstein, “GIS-Landscape Quality Assessment Using Social Media Data,” <i>Journal of Digital Landscape Architecture</i>, vol. 6, pp. 295–305, 2021, doi: <a href=\"https://doi.org/10.14627/537705026\">10.14627/537705026</a>.","chicago":"Kaußen, Lucas, Boris Stemmer, and Franziska Bernstein. “GIS-Landscape Quality Assessment Using Social Media Data.” <i>Journal of Digital Landscape Architecture</i> 6 (2021): 295–305. <a href=\"https://doi.org/10.14627/537705026\">https://doi.org/10.14627/537705026</a>.","short":"L. Kaußen, B. Stemmer, F. Bernstein, Journal of Digital Landscape Architecture 6 (2021) 295–305.","chicago-de":"Kaußen, Lucas, Boris Stemmer und Franziska Bernstein. 2021. GIS-Landscape Quality Assessment Using Social Media Data. <i>Journal of Digital Landscape Architecture</i> 6: 295–305. doi:<a href=\"https://doi.org/10.14627/537705026\">10.14627/537705026</a>, .","din1505-2-1":"<span style=\"font-variant:small-caps;\">Kaußen, Lucas</span> ; <span style=\"font-variant:small-caps;\">Stemmer, Boris</span> ; <span style=\"font-variant:small-caps;\">Bernstein, Franziska</span>: GIS-Landscape Quality Assessment Using Social Media Data. In: <i>Journal of Digital Landscape Architecture</i> Bd. 6. Berlin, Wichmann Verlag (2021), S. 295–305"},"language":[{"iso":"eng"}],"keyword":["Landscape","assessment","social-media","social-media-harvesting","landscape scenic value"],"date_created":"2024-03-25T12:04:20Z","publication":"Journal of Digital Landscape Architecture","publication_identifier":{"isbn":["978-3-87907-705-2"],"eissn":["2511-624X "],"issn":["2367-4253"]},"date_updated":"2024-12-04T14:40:56Z"},{"oa":"1","language":[{"iso":"eng"}],"keyword":["density measurement","radiation transmission","porous low-Z composite material","true density","elemental composition and ash content","effective atomic number","mass attenuation coefficient","X-ray energy spectrum","law of attenuation","beam hardening and radiation build-up","radiation-physical interdependencies","Dichtemessung","Durchstrahlung","poröser Verbundwerkstoff","Reindichte","elementare Zusammensetzung und Aschegehalt","effektive Ordnungszahl","Massenschwächungskoeffizient","Röntgenspektrum","Schwächungsgesetz","Strahlaufhärtung und Strahlungsaufbau","strahlungsphysikalische Wechselbeziehungen"],"date_created":"2021-02-09T09:31:41Z","supervisor":[{"last_name":"Ressel","first_name":"Jörg","full_name":"Ressel, Jörg"},{"first_name":"Heiko","last_name":"Thömen","full_name":"Thömen, Heiko"}],"date_updated":"2023-03-15T13:49:56Z","main_file_link":[{"open_access":"1","url":"https://ediss.sub.uni-hamburg.de/handle/ediss/8756 "}],"author":[{"first_name":"Konrad","full_name":"Solbrig, Konrad","id":"59789","last_name":"Solbrig"}],"year":2019,"page":"453","status":"public","urn":"urn:nbn:de:gbv:18-ediss-89270","title":"Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry","citation":{"ieee":"K. Solbrig, <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky , 2019.","ama":"Solbrig K. <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky ; 2019.","apa":"Solbrig, K. (2019). <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky .","chicago":"Solbrig, Konrad. <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky , 2019.","van":"Solbrig K. Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry. Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky ; 2019. 453 p.","mla":"Solbrig, Konrad. <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky , 2019.","bjps":"<b>Solbrig K</b> (2019) <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky .","havard":"K. Solbrig, Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry, Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky , Hamburg , 2019.","ufg":"<b>Solbrig, Konrad (2019)</b>: Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry, Hamburg .","short":"K. Solbrig, Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry, Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky , Hamburg , 2019.","chicago-de":"Solbrig, Konrad. 2019. <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky .","din1505-2-1":"<span style=\"font-variant:small-caps;\">Solbrig, Konrad</span>: <i>Applied Investigations on Wood-Based Composites in the Context of X-Ray Densitometry</i>. Hamburg  : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky , 2019"},"alternative_title":["Angewandte Untersuchungen an Holzwerkstoffen im Zusammenhang mit der Dichtemessung mittels Röntgenstrahlung"],"place":"Hamburg ","_id":"4919","type":"dissertation","user_id":"68554","ddc":["660"],"abstract":[{"lang":"eng","text":"AbstractThe industrial production ofwood-based compo-sites (WBCs) features the core processes in theforming and press line,which are characterisedby densification and the curing of resin-blended furnish materialto obtain a panel from a formed mat in a continuous or batch-wise process.Here, the reliable measurement of process parameters and panel properties is indispensablefor moni-toring and controllingproductionand quality.The in-plane area density(𝜌A)of the mat and the raw density(𝜌)of the panel,along withits vertical rawdensity  profile  (RDP),aretypically determined through nondestructivemeans of radiometric de-vices.X-ray  systems  for  density  measurement on  WBCsare commonly  usedin both industry and research. Theyfollow a similar basic princi-pleof radiation transmissionwith specificsetups depending  onthe  measuring  taskat  hand.  De-tector  signalsare  evaluated  regarding relative radiation  transmission,  which  is  well-knownto followBeer’s  law  of  exponential  attenuation.Note here, particular conditions regarding radia-tion  (energyand  beam  geometry)  and  material properties  (consistent  and  homogeneous)  are expected. These conditions, however, cannot be consistently  achieved  in  applied  radiometric  in-vestigationson  WBCs [...]"},{"text":"AbstractXVIIprovided by the present thesis. The practicalim-plementation,  however,must  consequentlybe performed by the device manufactures. The us-ers of such modern X-raysystems are enabledto obtain enhanced quality of their measuring re-sults,  which  is  relevant  for  both  WBC science(wide  range  of  partly  new  composites)  and  in-dustry (increasing requirements on reliability and accuracy).Eventually,  the properapplication  of capable  nondestructive  evaluation  methods  by valid  and  precise  measuring  systems  for moni-toring and controllingquality and processparam-etersin WBC production offersthe possibility ofachievingsavings  in  raw  materials  and  energy consumption   as    well    as   fundamental   ap-proaches forimprovingWBC production, thus,to optimise  processconditionsand  materialprop-ertiesin general.\r\nKurzfassungDie  industrielle  Produktion  von plattenförmigen Holzwerkstoffen  (HWS) wirdmaßgeblich durchdie  Kernprozessein der Form-und Pressen-straßebestimmt. Die Plattenherstellung ist durch die Verdichtung und Aushärtung von geformten Mattenaus beleimtenHolzpartikelngekenn-zeichnet, was in  kontinuierlichen  oder  taktwei-sen Prozessenerfolgt. Dabei ist diezuverlässige Messung von Prozessparametern und Plattenei-genschaften  fürdieÜberwachung  und  Steue-rung  von  Produktion  und  Qualitätunabdingbar. Die Bestimmung des Flächengewichts(Flächen-dichte 𝜌A)der  Matte  und  der  Rohdichte(𝜌)der Platte   sowie   des vertikalen   Rohdichteprofils (RDP) erfolgt für gewöhnlich zerstörungsfrei mit-tels  radiometrischer  Geräte. Heute  sind sowohl in der Industrie als auch in der Forschung Rönt-gensysteme zur Dichtemessung (Densitometrie) an  Holz  und  Holzwerkstoffen verbreitet.  Deren Grundprinzip zur Durchstrahlung ist ähnlich, wo-hingegen sich der jeweilige Aufbau in Abhängig-keit der Messaufgabeund auch in Bezug auf den Geräteherstellerunterscheidet. Die aus den ge-messenen  Detektorsignalen  ausgewertete  rela-tive  Durchstrahlung kann  durch  das  hinlänglich bekannte Beer’scheGesetzfür die exponentielle Schwächungbeschrieben werden. Die Gültigkeit setzt   bestimmte   Bedingungen   in   Bezug   auf Strahlung  (Energie  und  Strahlgeometrie)  und Materialeigenschaften   (konsistentund   homo-gen)  voraus,  die  bei radiometrischen Untersu-chungen an HWSin der allgemeinen Praxis je-doch  nicht angemessen  erfüllt  werden  können [...]","lang":"ger"}],"publisher":"Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky ","publication_status":"published"}]