molecule weight造句

• Low molecule weight material removal from vinyl silicone rubber
  乙烯基硅橡胶生胶中低分子的脱除
• The effect study on the application of low molecule weight heparin by different approaches
  低分子肝素不同途径应用的效果研究
• The fragment codes the enzyme of 459 amide acids , the molecule weight of which was 49903 . 92dal
  此片段编码由459个氨基酸组成的酶，计算分子量为49903 . 92dal 。
• The effects of the mole ratio of anhydride to amino group of chitosan in the feed solution on the solubility , intrinsic viscosity and molecule weight of the product were studied
  研究了投料物质的量比对产物的溶解性、特性黏度和相对分子质量的影响。
• But some times we still got samples that are nearly the same in lc and ms ; we should use hydride or tandem ms , the most expensive ms instrument that unveil both molecule weight and some structure information
  串联质谱不仅提供了分量的信息，还可以提供很多分子结构的信息，帮助我们了解样品组成。
• There were existed three effects for a compatibilizer : intercalation , miscibility and encapsulation , the effect of which was dependent on the compatibilizer loading , molecule weight / or melt index and molecule structure
  相容剂在该体系中具有增容、插层和包覆三种作用，其效果取决于相容剂添加量、分子量(粘度)及其分子结构。
• The molecule weight of the 6 - pgadase is 110000da , which is measured by akta fplc and the molecule weight of subunit is 51000da , which is measured by sds - page . therefore one 6 - pgadase has two same subunits
  用sephacryls - 300柱( aktafplc系统)测得全酶相对分子质量为110000da ，用sds -聚丙烯酰胺凝胶测得电泳亚基相对分子质量为51000da 。
• The control algorithms of reaction temperature , reaction pressure , molecule weight and reaction gas composition are discussed . the application of neural network and fuzzy control is stressed
  主要讨论了反应温度、反应压力、气体组分、聚合物分子量主要控制参数的控制策略，探索了神经网络、模糊控制等智能控制方法在烯烃合金共聚反应的应用。
• The effective antimicrobial components were confirmed to be some non - peptide ingredients , whose molecule weight ranged from 500 ~ 3000da , by protein deposition , polysaccharide separation , ultrafiltration , nanofiltration , and ion - exchange successively
  采用沉淀蛋白、分离多糖、超滤、纳滤、离子交换等方法分离水提液组分，证明芫荽中主要抑菌成分是相对分子质量在500 ~ 3000的水溶性非肽类物质。
• In this article , based on introducing the concept of nanoplastic , it mainly expressed the intercalation compounding techniques and properties of some typical nanoplastics ( such as nylon 6 / clay nanocomposites , pet / clay nanocomposites , ultra high molecule weight polyethylene / clay nanocomposites )
  摘要本文在简介纳米塑料概念的基础上，重点介绍了插层复合法制备纳米塑料及典型纳米塑料的性能。
• The structure of activity of humic was affected by utilization and soil forming mother rock . as the human behavior frequently disturbed the soil , humic molecules weight became less ; polycondensation degree and aromatility of soil humic deceased , and its activity became intense
  利用方式和母岩都影响着土壤腐殖质胡敏酸的结构和活性，人为影响愈频繁，土壤腐殖质胡敏酸分子量小、缩合度和芳构化度低、活性强。
• The author has done some oil displacement experiments on homogeneous core using the polymer solution with the molecule weight of 6 million , 8 million , 12 million after sheared , and done some research on the affection of the same molecular weight and the same viscosity polymer solution on the secondary oil layer displacement characteristics
  摘要对经剪切后相对分子质量分别为600 10 ^ 4 、 800 10 ^ 4和1200 10 ^ 4聚合物溶液在均质岩心上进行驱油实验，并对比分析相同相对分子质量、相同黏度的聚合物溶液对二类油层驱油效果的影响。
• Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ) , the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt . then the optimization model of polymerization reaction was presented , which was solved by using simulation annealing algorithm to obtain the best techniques parameters . the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network , brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line
  提出了流程工业生产过程操作优化策略和应用实施方法，包括生产过程离线优化策略、非线性问题求解策略、在线优化模型及学习策略；结合扬州有机化工厂计算机集成制造系统集散控制系统( yh - cims dcs )的实施，针对锦纶? 6浸胶南京理工大学博士学位论文摘要帘于布生产中己内酚胺聚合反应过程优化控制这一工程实际问题，采用统计建模方法，建立了聚合反应过程的优化模型；为求解所得的优化模型，提出了种改进的有约束条件下的模拟退火算法，该算法能避免陷于局部最优解，有效地提高了所求解的全局性和可靠性：提出了基于改进的ga算法和sp算法相结合的混合学习算法，建立了基于神经网络的聚合反应过程生产目标在线预测模型，该算法和模型满足了生产中的实时性和实用性要求。
• The ns5 protein of dengue virus is the largest molecule encoded by the virus genome with a molecule weight of 104 000 . recent research work indicates that the ns5 protein acts as the rna - dependent rna polymerase ( rdrp ) in virus which has the ability to recognize and bind its template rna to synthesize a complementary strand
  近年来的研究表明， ns5蛋白具有rna依赖的rna聚合酶( rdrp )功能，即可以识别具有相对特异性的模板rna并与之结合，合成与模板互补的rna链，在病毒基因组复制过程中起关键作用。
• The beheviour of four low - molecule weight organic acid lactic acid , hydroxy - acetic acid , mercapto - acetic acid , glyconic acid as iron - containing silicate - aegirines depressants on the hematite direct flotation is investigated in this paper . the results of flotation tests with pure minerals , artificial mixture of minerals and naturally occurring ore show this depressants have good selectivity in flotation . the flotation separation of hematite from aegirine is achieved successfully with the four depressants
  本文研究了四种小分子有机酸抑制剂乳酸、羟基乙酸、巯基乙酸、葡糖酸在赤铁矿正浮选中对含铁硅酸盐脉石霓石的抑制行为，纯矿物、人工混合矿与实际矿石浮选实验均证明了它们具有良好的选择性抑制作用，可以成功地实现赤铁矿与霓石的浮选分离。
• The result indicates that displacement characteristics of unsheared polymer solution is better than the same viscosity polymer solution after sheared , the injection pressure of the unsheared polymer solution is higher than the same viscosity polymer solution after being sheared in the same permeability core , the lower the permeability , the bigger the molecule weight and the bigger the difference , as to the every layer of the secondary oil layer , it is feasible to displace oil with the polymer solution after sheared , and the eor of the polymer flooding can increase more than 9 . 84 %
  结果表明：未经剪切的聚合物溶液的驱油效果好于经剪切之后的相同相对分子质量的聚合物溶液的驱油效果；对于相同渗透率的岩心，未经剪切的聚合物溶液比经过剪切相同相对分子质量聚合物溶液的注入压力高，而且渗透率越低，相对分子质量越大，差异越大；对于二类油层的各渗透率小层，进行经剪切后聚合物溶液驱油是可行的，聚驱采出程度提高幅度均超过9 . 84 % 。
• The full orp encodes a 487 - amino acid protein with a calculated molecule weight of 53 . 484 kda and an isoelectric point of 6 . 75 . at the primary sequence level , it shared high homology with clr , so was named clr - like serine protease , clsp . the clsp sequence has been submitted to genbank / embl ( genbank accession number af178985 )
  该蛋白在核酸和氨基酸水平上与人补体组分cl :表现高度同源，故将其命名为补体cl :样丝氨酸蛋白酶(旦lr一like旦erineprotease ， clsp ) ，该基因已经在ge心ank登录(登录号为af17s985 ) 。
• In aqueous solution , interaction between crude venom and different bacteria including gram - positive bacteria , i . e . streptococcus mutans , streptococcus aureus , and gram - negative bacteria , i . e . e . colik12 , was investigated in detail . molecule weights of multiple proteins were identified as 110kda , 47kda , 24kda , 23kda and 15kda by sds - page , respectively . it had little influence on extraction of snake venom proteins by the same cells of streptococcus mutans even used for 10 cycles
  其次，在利用s . mutans分离细菌特异性抗体的基础上，首次利用细菌筛选作用蛋白，将革兰氏阳性菌( s . mutans和s . aureus )和革兰氏阴性菌( e . colik12 )分别与蕲蛇蛇毒相互作用，发现有五种蛇毒蛋白能够与细菌相互作用，其分子量分别为110kda 、 47kda 、 24kda 、 23kda和15kda ；同时表明s . mutans菌体能够多次与蛇毒相互作用，并且对作用蛋白的结合没有影响。
• The recombinants were constructed by transforming ppic9 a - xynb into p . pastoris gs115 . the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p . pastoris . in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity . the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1 . xynbb was gotten by deglycasylation of xynba , whose molecule weight returned to 23kd . we comparised the enzymatic properties of xynba expressed in p . pastoris , xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph , the optimal ph of xynb and xynba were both 5 . 2 , the optimal ph of xynbb was 5 . 0 ; the optimal temperature of xynb and xynba were both 60 c , while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883 . 88iu / mg and 832 . 5hu / mg respectively , which were both lower than 2814 . 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21 . 56 ( g / kg ) and 20 . 87 ( g / kg ) , while the km value of xynbb was 27 . 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg . min and 5329umol / mg . min respectively which were lower than 27623 umol / mg . min of xynb ; additionally all of the three enzymes did not display cellulase activity . they all had well resistance to pepsion and trypsin , and were not sensitive to metal iron , surface active agent and chelating agent . the analysis of different xylans enzymatic hydrolysate revealed : by xynba , that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose , which account for 68 . 43 % and 16 . 50 % respectively , additionally there was 11 . 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose , which account for 81 . 78 % and 11 . 55 % . the result indicated that this xylanase was a kind of 1 , 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
  进一步对xynba进行了脱糖基化处理得到xynbb ,其分子量恢复到23kd ，证明xynba是糖基化蛋白。通过对毕赤酵母重组表达的木聚糖酶xynba 、脱糖基化的木聚糖酶xynbb以及橄榄绿链霉菌a1所产原酶xynb之间酶学性质的比较发现：三种酶的最适ph差异不大， xynb和xynba均为5 . 2 ， xynbb为5 . 0 ； xynb和xynba的最适温度均为60 ， xynbb降为50 ：在耐热性上， xynba由于糖基化作用热稳定性明显高于未糖基化的xynb和xynbb ； xynba和xynbb的比活性分别为883 . 88iu mg和832 . 51iu mg ，明显低于原酶的比活2814 . 45iu mg ； xynb和xynba的km值相当，分别为21 . 56 ( g kg )和20 . 87 ( g kg ) ，而xynbb的km值较大为27 . 10 ( g kg ) ； xynba和xynbb的vmax相差不大，分别为4568 mol mg ? min和5329 mol mg ? min ，明显低于xynb的27623 mol mg ? min此外三种酶均无纤维素酶活性，对胃蛋白酶和胰蛋白酶有很好的抗性，且对作用环境中的各种离子、表面活性剂、螯合剂不敏感。通过对不同木聚糖的酶解产物的糖份分析发现：以桦木木聚糖为底物时，酶解产物主要为木三糖和木四糖，含量分别为68 . 43和16 . 50 ，另外还含有11 . 79的木二糖；以玉米芯木聚糖为底物时，酶解产物主要为木二糖和木三糖，含量分别为81 . 78和11 . 55 。
• The effects of the monolayer - formation conditions on the monolayer behavior , including the phase structure ( molecular packing ) , intermolecular interactions , stability , and so on , were discussed . based on the theory model we study low molecule weight surfactant ( behenic acid ) and phospholipid monolayer and the cyclic isotherms of their mono layers ; including the standard thermodynamic characteristics and aggregation of the cyclic isotherms
  从力学性质着手，我们讨论了成膜条件对相态结构(分子排列) 、分子间作用力、稳定性等物理化学性质的影响；在此基础上，利用现有的理论模型讨论小分子化合物(二十二酸)及其磷脂分子压缩、扩张过程分子聚集、扩散机理及其热力学问题。