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采用聚乙烯胺整理提高芳香族聚酰胺的染色性能和紫外稳定性

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国际纺织导报 2019年第8期47卷 42-45页

作者： m.Oberthür h.Fink s.schumacher J.s.Gutmann 乔士亚(译) 于俊荣(校) 德国西北纺织研究中心(DTNW)(德国) 不详

芳香族聚酰胺是一种重要的高性能纤维,但受纤维聚合物在紫外作用下易快速降解的影响,其应用受到限制。此外,芳香族聚酰胺难以染色,这增加了其染色工序的成本和复杂性,同时使可获得的颜色和色调受到限制。研究表明,采用聚乙烯胺对芳香族... 详细信息

芳香族聚酰胺是一种重要的高性能纤维,但受纤维聚合物在紫外作用下易快速降解的影响,其应用受到限制。此外,芳香族聚酰胺难以染色,这增加了其染色工序的成本和复杂性,同时使可获得的颜色和色调受到限制。研究表明,采用聚乙烯胺对芳香族聚酰胺进行整理可改善其对酸性染料与活性染料的可染性。此外,聚胺涂层还可改善涂覆在纺织品上的紫外线吸收剂的耐洗牢度。用宽带紫外灯照射数小时后,与未改性试样相比,经紫外线吸收剂整理的芳香族聚酰胺的力学性能得以改善。该方法为进一步优化研究以提高芳香族聚酰胺纺织品的紫外稳定性开辟出新思路。

关键词：芳香族聚酰胺染色性紫外稳定性聚乙烯胺

Development of an in vitro protein digestibility assay mimicking the chicken digestive tract

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Animal Nutrition 2018年第4期4卷 401-409页

作者： Dervan D.s.L.Bryan Dawn A.Abbott henry L.Classen Department of Animal and Poultry science University of Saskatchewan

it is difficult to obtain in vivo digestion kinetics data of high protein ingredients using chickens. Collecting kinetics data requires repeated sampling of digesta from the small intestine during the digestion process,which is not easily accomplished due to the anatomical structure of chicken digestive tract. An in vitro technique is proposed for measuring the digestion kinetics of protein sources fed to chickens. The method has a 30 min gastric and 3 h intestinal phase. Five hundred milligram crude protein(CP)equivalent of each meal sample(CP = % N × 6.25) was digested with pepsin(28,260 units) in 50 m L polyethylene centrifuge tubes for 30 min in a shaking water bath(150 strokes/min; 30 mm stroke length)at 41C. The 6.5 mL pancreatin was selected as the enzyme concentration for the intestinal phase, during which time 500 m L aliquots were collected at 0, 15, 30, 45, 60, 90, 120, 150, 180 and 240 min. samples were diluted 1:820 with hCl and sodium acetate buffer, and then mixed with ninhydrin reagent(2:1) at100 ± 2C for 15 min and spectrometric readings taken at 568 nm. To validate the assay, 5 replications of soybean meal(sBm), corn gluten meal(CGm), corn distillers dried grains with solubles(CDDGs), porcine meal(PCm), fish meal(Fm) and casein(CA) were digested. The digestion data were modeled with PROC NLiN procedure, and the intra coefficient of variation(CV) assessed using PROC mEANs of sAs 9.4. The digestion values at 180 min were sBm 95 ± 4, Fm 93 ± 3, PCm 68 ± 4, CGm 82 ± 3 and CDDGs 70 ± *** CV for sBm, CGm, CDDGs, PCm and Fm were 5%, 5%, 12%, 10% and 2%, respectively. The estimated fractional digestion rates for sBm, CGm, CDDGs, Fm and PCm were 0.023, 0.013, 0.009, 0.024 and 0.013,respectively. in conclusion, the proposed in vitro technique estimated the rate and extent of the digestion of CP for the meals with low intra CV.

关键词： Protein digestion rate soybean meal Corn gluten meal Corn distillers dried grains with solubles Fish meal Porcine meal

measurement of Atmospheric Aerosols using the Wide-Range Particle spectrometer (WPsTm)

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Measurement of Atmospheric Aerosols using the Wide-Range Par...

第八届全国气溶胶会议暨第二届海峡两岸气溶胶科技研讨会

作者： Keung s．Woo Francisco J．Romay William D．Dick Benjamin Y．h．Liu msP Corporation ShoreviewMN 55126 msP Corporation ShoreviewMN 55126 msP Corporation ShoreviewMN 55126 msP Corporation ShoreviewMN 55126

＜正＞increases in ambient aerosol concentrations are associated with adverse health effects such as respiratory irritation and changes in pulmonary function. To test hypotheses regarding effects of atmospheric aerosols, it is essential to measure the atmospheric aerosol properties accurately and efficiently. since atmospheric aerosols are contributed by multiple sources of aerosol with a wide range of particle diameters, it is important to measure atmospheric aerosols from a few nanometers to several microns in particle diameter. The Wide-Range Particle spectrometer （WPsTm） is a recently introduced commercial aerosol instrument with the unique capability to measure size distributions of aerosols over a diameter range of 0.01 to 10 μm （Liu et al. 2005）. A scanning mobility spectrometer （sms） comprised of a Differential mobility Analyzer （DmA） and a Condensation Particle Counter （CPC） is used to measure particles from 0.01 to 0.5 μm and a Laser Particle spectrometer （LPs） is used to measure particles from 0.35 to 10 μm. These components are small enough to fit within a single portable cabinet （-25 kg） with all accompanying control hardware and electronics. No external pumps are required and power consumption is only 150 W. The WPs was tested in the field for semi-continuous atmospheric sampling during extended periods of time as a way to measure the time-evolution of the atmospheric aerosol size distribution in an urban setting. Results from these measurements show that the WPs works well in various ambient conditions with temperature ranging from 11 ℃ to 35 ℃ and relative humidity ranging from 10% to 70%. Detailed diurnal profiles and nucleation events of atmospheric aerosol size distributions were observed using the WPs in these measurements. With its relatively small size, light weight, low power consumption, and user friendliness, the WPs can perform unprecedented aerosol size distribution measurements in a wide particle diameter range （10 nm - 10,000 nm）. The use o

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金刚石的铁同位素组成示踪板块深俯冲

矿物岩石地球化学通报 2021年第5期40卷 1024-1024页

作者： smith E m Peng N shirey s B Richardson s h Wang W shahar A 夏群科(编译) 不详

俯冲板块能够输送哪些物质进入深部地幔?通过什么载体?这些问题对于理解地球物质循环至关重要,但目前仍不明确。为了研究这些问题,美国宝石研究所和美国卡耐基研究所的研究者们对超深金刚石中的矿物包裹体开展了地球化学研究。样品是Ⅱa... 详细信息

俯冲板块能够输送哪些物质进入深部地幔?通过什么载体?这些问题对于理解地球物质循环至关重要,但目前仍不明确。为了研究这些问题,美国宝石研究所和美国卡耐基研究所的研究者们对超深金刚石中的矿物包裹体开展了地球化学研究。样品是Ⅱa型(N含量小于5 ppmw)、大颗粒的金刚石,包括重量达到3106克拉的库里南金刚石。前人针对这些金刚石中的硅酸盐包裹体矿物(超硅石榴石和Ca钙钛矿)的研究显示其来源深度为360~750 km。

关键词：金刚石俯冲板块物质循环矿物包裹体卡耐基钙钛矿硅酸盐石榴石

Taxonomy and phylogeny of hyaline‑spored coelomycetes

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Fungal Diversity 2020年第1期100卷 279-801页

作者： Wen‑Jing Li Eric h.C.mcKenzie Jian‑Kui(Jack)Liu D.Jayarama Bhat Dong‑Qin Dai Erio Camporesi Qing Tian sajeewa s.N.maharachchikumbura Zong‑Long Luo Qiu‑Ju shang Jin‑Feng Zhang Narumon Tangthirasunun samantha C.Karunarathna Jian‑Chu Xu Kevin D.hyde Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of ScienceKunming 650201YunnanPeople’s Republic of China World Agroforestry Centre East and Central AsiaKunming 650201YunnanPeople’s Republic of China Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand mushroom Research Foundation 128 M.3 Ban Pa Deng T.Pa PaeA.Mae TaengChiang Mai 50150Thailand Landcare Research manaaki Whenua Private Bag 92170AucklandNew Zealand school of Life science and Technology University of Electronic Science and Technology of ChinaChengdu 611731People’s Republic of China No.128/1‑J Azad Cooperative Housing SocietyCurcaP.O.Goa VelhaGoa 403108India Center for Yunnan Plateau Biological Resources Protection and Utilization College of Biological Resource and Food EngineeringQujing Normal UniversityQujingYunnan 655011People’s Republic of China A.m.B.Gruppo Micologico Forlivese“Antonio Cicognani”Via Roma 18ForlìItaly A.m.B Circolo micologico“Giovanni Carini” C.P.314BresciaItaly societàper gli studi Naturalistici della Romagna C.P.143BagnacavalloRAItaly College of Agriculture and Biological sciences Dali UniversityDali 671003YunnanPeople’s Republic of China Department of Biology Faculty of ScienceKing Mongkut’s Institute of TechnologyLadkrabangChalongkrung Rd.Ladkrabang DistrictBangkok 10520Thailand

Coelomycete is a general term used for asexual fungi which produce conidia in fruiting bodies:pycnidial,acervular,cupulate,pycnothyria or stromatic *** group contains numerous plant pathogenic,saprobic and endophytic species associated with a wide range of ***,morphological characters and host associations have been used as criteria to identify and classify coelomycetes,and this has resulted in a poor understanding of their generic and species *** based taxonomic studies have provided a better outlook of the phylogenetic and evolutionary trends in ***,the present outcomes represent only a preliminary step towards the understanding of *** genera have not been revisited since they were first *** present study revises the classification of the hyaline-spored coelomycetes and provides a modern taxonomic framework based on both morphology and *** total,248 genera were investigated,of which less than 100 are known to have sequence ***-locus sequence data analyses of 28s nrDNA,18s nrDNA,iTs,RNA polymerase ii second largest subunit(rpb2),and part of the translation elongation factor 1-alpha gene(tef1)andβ-tubulin(tub2)gene regions were *** a result,three new genera and 23 new species are *** addition,three new links between sexual and asexual genera are *** are 138 genera that lack sequence data,and these are treated as Ascomycota,genera incertae *** drawings and descriptions are provided based on the examination of types and fresh collections and on the literature.

关键词： 26 new taxa Ascomycota Asexual morphs Basidiomycota

UNCONVENTiONAL mETALLiC sTATE iN YbRh2(si1-XGeX)2-A hiGh PREssURE sTUDY

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UNCONVENTIONAL METALLIC STATE IN YbRh2(Si1-XGeX)2-A HIGH PRE...

The Cumulative Effects of sewage sludge Compost on Raphanus sativus L: Growth and soil Properties

18th international Conference on high Pressure science and Technology

作者： s.mederle R.Borth J.Custers P.Gegenwart C.Geibel F.m.Grosche P.hinze m.Lang C.Langhammer G.sparn O.Trovarelli h.Q.Yuan F.steglich max-Planck-institute for the Chemical Physics of solids Nothnitzer Str.40.D-01187 DresdenGermany

The study of 3d- and 4f-electron compounds on thethreshold of magnetism has brought to light a number ofmetals with electronic properties deviating significantlyfrom the behavior expected for a conventional LandauFermi-liquid(FL)(△p∝T,△C/T=const.).Fromtheoretical grounds,these non-Fermi-liquid (NFL) effectsare expected not just at,but also in the vicinity of aquantum critical point (QCP)at which a magnetic orderingtemperature vanishes(T→0).in order to avoid the effectof disorder(*** by alloying) in the study ofquantum critical phenomena it is highly desirable toinvestigate stoichiometric ***,onlya few such hF compounds exist which exhibit NFLbehavior at ambient pressure (UBe,CeNiGe,CeCusi)[1].The number of stoichiometric candidates can beincreased by utilizing hydrostatic pressure as a controlparameter to drive magnetically ordering hF compoundsclose to a QCP(e.g.,CePdsi,Cein)[2].A deeper

关键词： high Pressure YbRh2si2 Resistivity Non Fermi Liquid.

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Green and sustainable Chemistry 2016年第1期6卷 1-10页

作者： Vanessa N. Lima Ricardo V. Trótski O. silva Patrícia Nunes Paulo h. da silva Kyriale morant Rosileide F. s. Andrade Aline E. Nascimento Galba m. Campos-Takaki Arminda saconi messias Development of Environmental Processes Catholic University of Pernambuco Recife PE Brazil Chemical Engineering Course Catholic University of Pernambuco Recife PE Brazil Nucleus of Research in Environmental sciences and Biotechnology Catholic University of Pernambuco Recife PE Brazil

The main goal of this research study was to establish the physicochemical characteristics of sewage sludge, and the nutrients needed to enhance the properties of soil with a view to exploiting were potential for agriculture. The example used was the cultivation of radish (Raphanus sativus). The findings are intended as a contribution towards making agriculture sustainable. This study was carried out to assess the response of radish (Raphanus sativus L.) to doses of sewage sludge applied in medium texture soils, and the socioeconomic contributions that such cultivation of radish would make. Levels of 0.25 and 75 ton/ha of sewage sludge plus the equivalent dose of 25 ton/ha of sewage sludge vermin compost by California Red were used after making a randomized experimental design with three replicates. 30 days after sowing radish seeds, the following data were collected: the number of leaves per plant (NLP);plant height (Ph in cm);root diameter (RD) and tubercle production (TP ton/ha). in addition, the ph, EC-electric conductivity (EC), and soil organic matter (sOm) were determined. statistical analysis showed that 25 and 50 tons/ha gave the best results for the parameters assessed. The estimated increase in family mean income from selling radish crops fertilized with sewage sludge is around 17%.

关键词： sewage sludge Productivity soil solid Waste Raphanus sativus L.

射频消融对被膜下和非被膜下肝癌长期疗效比较:倾向性评分匹配研究

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国际医学放射学杂志 2016年第5期 568-569页

作者： T.W.Kang h.K.Lim m.W.Lee Y.s.Kim h.Rhim W.J.Lee 郭素引 Department of Radiology and Center for imaging science Samsung Medical CenterSungkyunkwan Uniersity School of Medcine

摘要目的采用倾向性评分匹配法,比较被膜下与非被膜下肝癌射频消融的长期疗效。方法由于射频治疗存在消融不完全或严重并发症的高风险,其对被膜下肝癌治疗仍有争议。本回顾性研究经伦理委员会批准并免除知情同意。收集2006年4月—2011... 详细信息

摘要目的采用倾向性评分匹配法,比较被膜下与非被膜下肝癌射频消融的长期疗效。方法由于射频治疗存在消融不完全或严重并发症的高风险,其对被膜下肝癌治疗仍有争议。本回顾性研究经伦理委员会批准并免除知情同意。收集2006年4月—2011年12月超声引导下经皮射频消融作

关键词：肝癌被膜肝脏肿瘤膜下射频消融长期疗效倾向性评分

Optimization of multiple factors in the discovery and development of highly potent and broad spectrum non-nucleoside hiV-1 reverse transcriptase inhibitors for the treatment of AiDs

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Optimization of multiple factors in the discovery and develo...