polyet相关论文
HALF-TITANOCENE CHLORIDES 2-(BENZIMIDAZOL-2-YL)QUINOLIN-8-OLATES: SYNTHESIS, CHARACTERIZATION AND ET
A series of half-titanocene chloride 2-(benzimidazol-2-yl)quinolin-8-olates C1 C6 were synthesized by treating the lithi......
The microlayer or nanolayer coextrusion of hundreds or thousands of alternating low density polyethylene(LDPE)/polystyre......
Benefit-cost analysis of raising Pinus wallichiana seedlings in different capacities/sizes of root t
Modern nursery methods of seedling production in different sized root trainers,were compared by raising seedlings of Pin......
Effect of GMA Polymer Compatibilizers on Highly Filled Composites of Low Density Polyethylene/Magnes
Functional polymers such as polyethylene grafted glycidyl methacrylate(PE-g-GMA) and ethylene-methyl acrylate-glycidyl m......
A nickel-diimine catalyst [N, N’-bis(2,6-diisopropylphenyl)-1,4-diaza-2,3-dimethyl-1, 3-butadiene nickel dibromide, DMN......
A novel biodegradable copolymer,poly(5,5-dibromomethyltrimethylene carbonate-co-ε-caprolactone)(poly(DBTC-co-CL)) with ......
为改善胶原/聚环氧乙烷纳米纤维膜在液态环境下的结构稳定性,利用静电纺丝技术制备胶原/聚环氧乙烷纳米纤维膜,并用不同浓度的1-乙......
基于埃洛石纳米管(HNTs)内外层结构化学性质不同,使用硫酸(H_(2)SO_(4))、盐酸(HCl)对埃洛石进行选择性刻蚀,得到了两种纳米多孔埃......
介绍了北京奥林匹克公园奥运村D区地下防水工程的设计方案以及为保证防水工程质量而采取的一系列措施。......
通过高温索氏提取法采用混合溶剂(V正庚烷∶V二甲苯=1∶4)对土壤中的可降解聚乙烯(PE)残余物(PEW,Mw=5 000)进行分离提取,分别考察了提取......
We develop a kind of neutron detector, which consists of a polyethylene thin film and two PIN semiconductors connected f......
<正> X-射线光电子能谱(XPS)振起(Shake-Up)伴峰主要是伴随主光电子的电离所导致的最高占有轨道到最低未占有轨道电子跃迁的结果.C......
聚乙二醇单甲醚和甲醇依次与马醚酸酐/乙烯基甲醚交替共聚物在溶液中两度酯 化,合成了侧链长度不同的3种梳形高分子,用丁酮作酯化反应......
介绍了非聚氨酯类、聚酯型聚氨酯类,聚型聚氨酯类聚合物及扩链剂在熔纺弹性纤维上的应用,指出,非聚氨酯类聚合物所熔纺的纤维具有较好......
目的:探讨二甲硅油散不同时间给药在结肠镜检查术前肠道准备中的效果,从而为患者选择更有效的肠道准备方法。方法:选取2019年1-3月......
合成了四种新型含氰乙基取代的茂金属化合物,CpCNCpMCl2(CpCN=C5H4CH2CH2CN,M=Ti(1),Zr(2)),CpCNCpSmCl(3)和CpCN2ZrCl2(4).用四元......
建立了微波消解-原子荧光光谱法测定聚乙烯(PE)中汞元素的方法。对消解试剂、栽流酸度、还原剂浓度等工作条件进行了优化。汞的浓度......
目的:观察高密度聚乙烯多孔材料Medpor在颅骨缺损整复中的临床应用,分析其改善情况。方法:对6例去骨瓣减压术后因颅骨缺损患者行高密......
Electrolyte changes after bowel preparation for colonoscopy:A randomized controlled multicenter tria
AIM:To investigate the electrolyte changes between 2-L polyethylene glycol with ascorbic acid 20 g(PEGAsc) and 4-L PEG s......
<正>Bovine serum albumin (BSA), a naturally occurring biopolymer, was regarded as a polymeric material to graft to an ac......
介绍了多壁碳纳米管体修饰石墨电极和天青A膜电聚合的制备方法,研究了电聚合膜时的影响因素。实验结果表明,当硝酸钠加入量为3.400......
介绍了以纸基三聚氰胺甲醛(MF)塑料为面层、废旧聚乙烯(PE)塑料为芯层,用层压工艺制造复合板材的工艺过程,并重点论述了阻燃型板材的配方设计......
以感染ArMV的百合种球制备粗提液,分别用聚乙二醇(PEG-6000)和免疫磁珠(Immuno—magneticbeads,IMB)进行富集处理,以富集处理后的样品进行......
用不同分子量的聚乙二醇作为相转移催化剂,对邻硝基氯苯的O-甲基化、O-乙基化反应进行了研究。当催化剂浓度一定时,O-烷基化反应均为假一级......
本文采用研磨法制备了对乙酰氨基酚-β-环糊糊精包合物,熔融法制备了基固体分散体。方法:建立了对乙酰氨基酚包合物及其固体分散体的体......
Application of Decellularized Scaffold Combined with Loaded Nanoparticles for Heart Valve Tissue Eng
The purpose of this study was to fabricate decelluarized valve scaffold modified with polyethylene glycol nanoparticles ......
在水相条件下,多巴胺(DA)在沸石咪唑酯骨架材料(ZIF-8)模板上自聚-复合,并进一步接枝聚乙二醇(PEG),制备了以ZIF-8纳米颗粒为核,聚......
以大茴香醛为原料,在微波辐射及相转移催化剂聚乙二醇-600催化作用下由SiO2/Na2CO3-NaOH混合碱促进的无溶剂一步法直接制备大茴香......
通过浊点和岩屑回收率测定,研究了聚乙二醇在几种无机盐水溶液中对岩屑的抑制作用,在NaCl,CaCl2水溶液中,只有在浊点以上聚乙二醇才具有良好的抑......
合成了甲基丁基环戊二烯双取代的APE-2茂金属催化剂加合物(MeCp(n-Bu))2-ZrCl2@Et2O@LiCl,并进行了负载化,对APE-2催化剂与为(n-Bu......
综述了国内外1-己烯的生产、应用及市场状况,并简单介绍了1-己烯的生产技术和生产成本,指出我国应加快发展1-己烯生产,以满足我国合成树脂发......
以苯甲醛和正丙醛为原料,KF/Al2O3为催化剂,聚乙二醇为相转移溶液,合成了α-甲基肉桂醛,考察了原料摩尔比、反应时间、反应温度、催化......
以棕榈酸和回收的聚乙二醇为原料,采用酯化法合成了一种脂肪酸酯类抗静电剂,研究了醇酸摩尔比、催化剂用量、反应时间和反应温度对酯......
Effects of Drought Stress Simulated by Polyethylene Glycol on Seed Germination, Root and Seedling Gr
Two Job’s tears cultivars, yy18-1 (high resistance to drought stress) and yy12-7 (susceptible to drought stress) were u......
以3个胡枝子种为试材,分别以自然干旱和聚乙二醇(PEG-6000)溶液模拟干旱条件,对盆栽幼苗和离体枝条进行了含水率、脯氨酸含量及质......
EFFECTS OF MOLECULE AGGREGATION STATE OF HINDERED PHENOL ON DYNAMIC MECHANICAL PROPERTIES OF CHLORIN
Hindered phenol compound 3,9-bis{1,1-dimethyl-2[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy]ethyl}-2,4,8,10-t......
研究承多官能团单体--三烯丙基异氰酸酯(TAIC)存在下,聚丙烯/乙烯-醋酸乙烯共聚物(PP/EVA)及聚乙烯/乙烯-醋酸乙烯共聚物(PE/EVA)共混体系的辐射效应。结果显示,TAIC对......