单体性
- monosomy
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浅议单体控制性工程先行用地
Elementary discussion of pioneering land utilization of unit control engineering
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应用改进结构制备了5单体双极性MH/Ni电池,并对电池的电化学性能进行了分析测试。
Firstly , structure and process parameters of Ni / MH battery are improved .
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结论同源染色体不分离和姐妹染色单体平衡性及非平衡性过早分离这三种机制均参与了卵细胞非整倍体的产生。
Conclusion Both nondisjunction , balanced and unbalanced predivision of chromatids are involved in the oocyte aneuploidy formation .
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但是由于氟化工生产具有介质高腐蚀、废水难生化、单体易爆性等特征,面临着环境保护与安全运行的压力。
But because the production of fluorine chemical industry wastewater with medium high corrosion , refractory , monomer and explosive characteristics , faced with environmental protection and safety operation pressure .
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首先,改进了双极性MH/Ni电池的结构和工艺参数,制备了新型多单体双极性MH/Ni电池。
Battery structure and manufacture parameters are improved , new type of bipolar Ni / MH battery is prepared , resistance distribution is studied , and method of electrode modification is improved .
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介绍了乳液复合微粒的形态结构,并对其形成的影响因素从加料方式、单体亲水性、引发剂、热力学和动力学等方面作了总结;
The morphologies of composite latex particles were described , and the influencing factors , such as feed methods , monomer hydrophilicity , initiator , thermodynamics and kinetics on the morphology of composite polymer particles were summarized .
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设计了电池管理系统的硬件电路和控制软件,通过调试使其达到了合理管理电池的目的。首先,改进了双极性MH/Ni电池的结构和工艺参数,制备了新型多单体双极性MH/Ni电池。
Hardware and software of battery management system are designed , and are debugged to reasonably manage the battery . Firstly , structure and process parameters of Ni / MH battery are improved . New type bipolar Ni / MH battery with many cells is prepared .
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超临界CO2协助三单体接枝改性聚丙烯
Grafting of Polypropylene with Ternary Monomer Assisted by Supercritical CO_2
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预聚物和单体对水性UV光油性能的影响
Effect of Pre-polymer and Monomer on Performance of Water-base UV Varnish
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炭黑/聚合物复合材料的研究进展单体接枝改性炭黑填充NR复合材料的研究
ADVANCES IN CARBON BLACK - POLYMER COMPOSITES Study on carbon black / NR composites modified by grafting monomers
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在对PVC片材表面进行臭氧活化、亲水单体接枝改性后,再用抗静电剂表面涂覆法进行抗静电表面改性;
The surface modification of PVC sheet was made by means of surface grafting of hydrophilic monomer initiated by ozone activation , and then the sheet was coated with water soluble antistatic agent to modify the antistatic property of the sheet .
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本文介绍了多步简化的pushover(MSP)方法,引导出求解单体建筑物易损性指数和群体建筑物易损性指数的办法,并通过建筑物平均易损性指数曲线,来评价城市的总体抗震性能。
Based on the MSP ( multi-step simplified pushover ) method , an alternative approach to calculate the vulnerability index of single and group buildings is analyzed in this paper .
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采用原位聚合法,制备了以2-甲基丙烯酰氧乙基三甲基氯化铵(META)为功能单体的强碱性季铵盐离子交换型微整体柱,构建了带微整体柱的复合式微流控芯片;
Alkali quaternary ammonium anion exchange micro-monolithic column based on monomer of ( 2 - ( methacryloyloxy ) ethyl ) trimethylammonium chloride ( META ) was polymerized in-situ . The micro-monolithic column was combined with micro-fluidic chip .
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研究了用不同单体接枝改性膜对盐溶液的截留性能,证明了Donnan电荷效应对纳滤膜分离性能的影响。
The influence of grafting monomer nature on the salt rejection of the membrane showed the effect of Donnan interaction on the mem-brane performances in nanofiltration .
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以SBS/SIS为复合基材,以丁腈橡胶为接枝母体,用AA/BA/MMA/TMPTMA混合单体接枝改性制得的胶粘剂对非极性材料PP片的粘接强度较高。
In the meantime , using SBS / SIS as backing material and NR as grafting matrixes , an adhesive after the graft modification by mixing AA / BA / TMPTMA shows greater anchoring strength on non-polarity material-the PP sheet .
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以(HQ-TPA)为第三单体的改性PHB/PBT液晶共聚酯研制
The Research of Modified PHB / PBT Liquid Crystalline Copolyester by Using ( HQ-TPA ) as the Third Monomer
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用种子乳液聚合法,以OP-10作为乳化剂,以K2S2O8作为引发剂,以丙烯酸(AA)为单体接枝改性石蜡(PF)乳液,合成了石蜡丙烯酸(PFAA)复合乳液。
With nonionic OP-10 as emulsifier , potassium persulfate ( K_2S_2O_8 ) as initiator , acrylic acid ( AA ) modified paraffine ( PF ) hybrid emulsion was synthesized by seed emulsion polymerization .
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介绍了适合于制备聚氨酯-丙烯酸酯(PUA)复合乳液的常规物料及新近开发的物料,包括多异氰酸酯、聚多元醇、乙烯基单体、亲水性物质、中和剂、交联剂、引发剂等。
Conventional and new raw materials for preparing polyurethane - aery late ( PUA ) hybrid emulsion are introduced , which are mainly classified as polyisocyanates , polymeric polyols , vinyl monomers , hydrophilic substances , neutralizer , cross-linking agents and initiators .
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对接枝反应理论、接枝单体和改性程度,对产品质量的影响及改性酪素CAAS系列在黄牛正面革上的应用进行了较为深入的研究和讨论。
The theories of modification , the effects of grafting monomers and modified extent on the properties of modified casein products and the application of modified casein CAAS series on full chrome grain cattle leather were studied and discussed .
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本实验研制的表面施胶剂属于SAE类,在传统苯丙乳液合成方法基础上采用乳液聚合添加功能性单体进行改性,并进行表面施胶应用研究。
So , a new polymer-emulsion surface sizing agent ( belongs to styrene acrylic emulsions , SAE ) was synthesized in lab , and on the foundation of the traditional styrene-acrylic resin emulsion , adopting emulsion polymerization and adding functional monomer to modify the traditional emulsion .
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与C-1757相比,硅烷单体A-174改性的胶膜具有更大的交联密度,而A-171改性的胶膜交联密度偏低,力学性能较差。
Compared to C-1757 , the film modified with A-174 has higher crosslinked density and the one modified with A-171 have a low crosslinked density and poor tensile properties .
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讨论了乳液粒子的粒度、形态以及单体的亲水性对乳液最低成膜温度(MFT)的影响.乳液粒子粒度大,MFT高;
In this paper , the effects of the size , morphology and monomer hydrophilicity of emulsion particle on the minimum film formation temperature ( MFT ) were discussed . Large particle emulsions coalesce more difficulty and have higher MFT than those of small particle emulsions .
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由镶嵌在飑线中的小尺度超级单体造成对流性大风。
The meso-scale convective cell in squall line causes severe convective wind .
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高速单体船快速性和操纵性综合优化混沌算法
Overall Optimization of Rapidity and Maneuverability of High-speed Monohull Ship Based on Chaos Algorithm
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对第四种乙烯基单体接枝改性的铬鞣革屑水解液进行优化,对最优复鞣剂的最佳应用工艺条件进行正交优化试验;
The chrome-shavings was hydrolyzed without de-chrome and then modified by grafting with vinyl monomers .
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氧化还原引发乳液聚合单体水溶性与动力学之间的关系
The Relationship between Monomeric Solubility and Kinetics of Emulsion Polymerization Initiated by Redox Initiator System
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含氟丙烯酸酯聚合物乳液研究新进展(Ⅰ)&合成技术和含氟单体的安全性
Progress of Fluorinated Acrylate Copolymer Latexes (ⅰ): polymerization techniques and safety of fluorinated acrylate monomers
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应用高能射线辐照技术,在聚丙烯填料表面接枝丙烯酸单体进行改性。
By the high-energy radial , acrylic monomer is grafted on the surface of polypropylene filler .
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它们可以被加以其它单体而改性,如苯乙烯、丙烯酸酯。
They may be modified by the addition reaction of other monomers , such as styrene or acrylic esters .
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介绍用大分子单体开发功能性接枝共聚物的方法、特征及其应用。
In this paper , the method and characteristics and application of developing functional graft copolymer by macromonomer method , are discussed .