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Synchrotron radiation investigations of the Sr_2MgSi_2O_7:Eu^(2+),R^(3+) persistent luminescence materials

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Journal of Rare Earths 2009年第4期27卷 529-538页

作者： Tuomas Aitasalo Jukka Hassinen jorma Hls Taneli Laamanen Mika Lastusaari Marja Malkamki Janne Niittykoski Pavel Novák Department of Chemistry University of Turku FI-20014 Turku Finland Turku University Centre for Materials and Surfaces (MatSurf) Turku Finland Graduate School of Materials Research (GSMR) Turku Finland Institute of Physics Academy of Sciences of the Czech Republic CZ-16253 Prague 6 Czech Republic

The electronic and defect energy level structure of polyerystalline Sr2MgSi2OT：Eu^2＋,R^3＋ persistent luminescence materials were studied with thermoluminescence and different synchrotron radiation spectroscopies （UV-VUV emission and excitation, X-ray absorption near-edge spectroscopy （XANES） and extended X-ray absorption f＇me structure （EXAFS））. Special attention was paid on the effect of the R3＋ co-dopants on the persistent luminescence properties of the materials. Theoretical calculations using the density functional theory （DFT） were carried out simultaneously with the experimental work. The experimental band gap energy （Eg） value of ca. 7.1 eV agreed very well with the DFT value of 6.7 eV. The variation of the Eg value was attempted to relate with the trap structure as well as with the different properties of the R3＋ co-dopants. The trap level energy distribution depended strongly on the R3＋ co-dopant except for the shallowest trap energy above the room temperature remaining practically the same, however. The different processes in the mechanism of persistent luminescence from Sr2MgSi2OT：Eu^2＋,R^3＋ were assembled and their contributions discussed.

关键词： strontium magnesium disilicate europium persistent luminescence synchrotron radiation thermoluminescence mechanism rare earths

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Edible films based on milk proteins release effectively active immunoglobulins

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Food Quality and Safety 2019年第1期3卷 23-34页

作者： Pirjo Rantamäki Vuokko Loimaranta Erkki Vasara Jari Latva-Koivisto Hannu Korhonen jorma Tenovuo Pertti Marnila Natural Resources Institute Finland FI-31600 JokioinenFinland Institute of Dentistry University of TurkuFI-20014 Turun yliopistoFinland

Objectives:The goal of this study was to develop novel compositions of edible protein coatings based on immunoglobulin(Ig)fraction from bovine *** coatings can be used to protect foods against microbial,chemical,and physical *** developed novel compositions of edible protein coatings based on immunoglobulin(Ig)fraction from bovine milk.A lot of Ig could be obtained from under-utilized side streams of dairy *** the best of our knowledge,such use of the Ig fraction has not been published *** and Methods:Bovine colostral Ig’s were incorporated in edible films based on various milk proteins and investigated the characteristics of the films including solubility of Ig’s and nisin and on technological properties of ***’s specific to cariogenic bacteria Streptococcus mutans and Streptococcus sobrinus were produced to colostrums by hyperimmunizing cows before ***:The milk Ig rich fraction suited well as a component of milk protein *** Ig’s dissolved from the films very ***,commoly used for food protection,was used as a model of antimicrobial *** was released biologically active from bothβ-lactoglobulin(β-lg)andβ-lg/Ig *** exerted its bactericidal effect at clearly lower concentrations in theβ-lg/Ig films when compared withβ-lg *** also retained its activity better in film containing Ig-enriched *** Ig-enriched whey into films enhanced adhesion and tensile strength of the *** Ig-enriched whey also affected strongly on the appearance of films based on commercial whey protein concentrate in a dose-dependent way by making the films more smooth,transparent,and clear which are all favoured properties in most food and pharmaceutical ***:Biologically active Ig’s can be successfully incorporated in and released from milk protein based edible *** content of Igs in films affected considerably technological properties of these ***

关键词： edible films immunoglobulins whey proteins β-lactoglobulin caseinates nisin dental caries

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BelBaie V夹网成形器

中华纸业 2004年第12期25卷 27-29页

作者： jorma Vanttinen

BelBaieV继承了BeloitBelBaieⅡ和BelBaieⅢ型夹网成形器成纸匀度良好的特征,可提高脱水能力,减少两面差,并提高纸机潜在的工作车速,从而提高纸机的生产能力。本文介绍了BelBaieV成形器的结构特征、优点、使用效果等。

关键词：夹网成形器纸机两面差匀度结构特征脱水车速生产能力水能优点

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Determinants of international joint venture performance measurement： A theoretical framework

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Journal of Modern Accounting and Auditing 2010年第11期6卷 11-24页

作者： Nguyen Huu Le Larimo jorma Department of Management and Organization Hanken School of Economics Vaasa 65101 Finland Faculty of Business Studies University of Vaasa Vaasa 65101 Finland

International joint ventures （IJVs） have increasingly their role in business world and also in research field of international business. There have been a lot of studies related to determinant factors of IJV performance. However, there are very few studies focusing on the measurement of I Jr performance. Especially, researchers have ignored how foreign parent firms really choose their measures in the evaluation of their IJV performance. This research investigates determinant factors of performance measures of 1JVs. Determinant factors of IJV performance measures include motives for establishment, establishment mode, location of IJVs, distribution of ownership in IJVs, cultural background of parent firms, and trust between partners, IJV life stages, parent firms＇ international experience, and relatedness of the IJVs to their parents. Performance measures are divided into financial measures and non-financial measures. The paper shows how different determinant factors are expected to lead foreign parent firms preferring one kind of measure over the other.

关键词： international joint ventures performance measurement non-financial measures financial measures

Management of difficult bile duct cannulation in ERCP

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World Journal of Gastrointestinal Endoscopy 2010年第3期2卷 97-103页

作者： Marianne Udd Leena Kylnp jorma Halttunen Department of Gastrointestinal and General Surgery Helsinki University Central Hospital

In Encoscopic Retrograde Cholangiopancreatography(ERCP),the main concern is to gain access into the bile duct while avoiding the pancreatic duct because of the risk of post-ERCP *** cult cannulation is defined as a situation where the endoscopist,using his/her regularly used cannulation technique,fails within a certain time limit or after a certain number of unsuccessful *** methods have been developed to manage diffi cult *** most common solution is to perform a precut papillotomy either with a needle knife or with a sphincterotome with or without a guide *** review describes different methods to overcome cases of difficult *** will discuss the success rate and complication rates associated with different methods of reaching the biliary tract.

关键词： Endoscopic retrograde cholangiopancreato graphy Diffi cult cannulation Sphincterotomy Precut Complication

REMARKS ON FIELDS OF FUZZY NUMBERS

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REMARKS ON FIELDS OF FUZZY NUMBERS

PROCESS CONCEPT FOR HIGH-QUALITY REED-BASED FINE PAPER

第11届国际模糊系统协会世界大会

作者： jorma K.Mattila Lappeenranta University of Technology Laboratory of Applied Mathematics P.O.Box 20 FIN-53851 Lappeenranta Finland

＜正＞ Starting with the first order theory of real numbers, some properties of general field theory of fuzzy real numbers are considered. Some presuppositions for systems of fuzzy numbers to satisfy the axioms of fie... 详细信息

关键词： Field Theory Fuzzy Quantity Fuzzy Number

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PROCESS CONCEPT FOR HIGH-QUALITY REED-BASED FINE PAPER

第三届国际非木材纤维制浆造纸会议

作者： Leena Paavilainen jorma Tulppala Jean-Paul Balac Process Engineer Jaakko P yry Oy PO Box 4 FIN-01621 VANTAA Finland JPI-Process Contracting Oy PO Box 4 FIN-01621 VANTAA Finland Vice President

＜正＞During the past three years JAAKKO POYRY has been involved in developing systems and technology to produce fine paper from non-wood fibres. Intensive development work has led to a breakthrough in agrofibre utilization. High-quality reed-based fine paper can be produced at a reasonable cost. The proposed process concept for the Nordic countries is the integration of a non-wood fibre line （100,000 ADt/a） with a wood-based kraft pulp mill （150,000 Adt/a hardwood pulp and 250,000 Adt/a softwood pulp）. Non-wood pulp will be bleached together with hardwood pulp. The non-wood fibre line has a joint recovery system with wood black liquor. Desilication can be arranged, if necessary, either by precipitation as silica from weak black liquor with flue gases or as silicate by using two-stage causticizing. The production and processing concept developed for reed canary grass has also been tested on pilot scale with good results. The papermaking fibre consumption is increasing rapidly in many countries where the availability of raw material is the key question for the expansion of the pulp and paper industry. Here the most suitable concept would be to cook non-wood fibres by using an advanced soda process;soda-oxygen cooking. Pre-trials of soda-oxygen cooking for reed canary grass have showed that 70% of silica precipitates on fibres during cooking, thus leading to an acceptable silica concentration in the black liquor. The process is still under development.

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柴油车排气后处理装置PDPF的试验研究

环境工程学报 2009年第4期3卷 723-727页

作者：陶明涛姜鹏明吴帮玉武显亮傅骏 jorma Venalainen 北京绿创环保设备股份有限公司北京102200 普闻达科技(北京)有限公司北京100102

介绍了一种用于柴油车排气后处理的PDPF的结构和工作原理。通过对比试验考察了PDPF的性能,包括ETC试验、全负荷烟度试验、自由加速烟度试验以及总功率检测。带PDPF与不带PDPF相比,PDPF对ETC排气中PM的降低效率达57.5%;对全负荷的滤纸式... 详细信息

介绍了一种用于柴油车排气后处理的PDPF的结构和工作原理。通过对比试验考察了PDPF的性能,包括ETC试验、全负荷烟度试验、自由加速烟度试验以及总功率检测。带PDPF与不带PDPF相比,PDPF对ETC排气中PM的降低效率达57.5%;对全负荷的滤纸式烟度和不透光烟度影响不大;使自由加速烟度有所下降;对发动机的动力性和经济性几乎没有影响。可靠性试验研究显示出PDPF的良好应用前景。

关键词：柴油车颗粒物微粒捕集器

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皮哈萨尔米矿锌浮选控制方案

国外金属矿选矿 1984年第1期 15-20+14页

作者： jorma Miettunen 周贤渭芬兰奥托昆普公司Pyhsalmi矿

选矿厂皮哈萨尔采矿每年开采铜锌硫矿石90万吨。矿石含 Cu 约0.7％,含 Zn 约2.5％,含 S约30％。1976年至1981年间还有蚀变地表矿石共85万吨送选矿厂处理。地表矿石在单独的选厂中经破碎和磨碎后,送入铜浮选回路

关键词：锌浮选给矿回路含锌量 Zn 扫选尾矿粗选精矿萨尔德国