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分子杂质
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  gas impurities
     The effects of nitrogen flow as carrier gas, impurities , sample size and temperature on rate of dehydrochlorination of HPVC were investigated comprehensively.
     探讨了氮气流量、低分子杂质、试样的形状、温度等因素对HPVC树脂热脱氯化氢速率的影响。
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  “分子杂质”译为未确定词的双语例句
     The results showed that under the reaction conditions of 653 K, 1. 5 mL decalin and 5 g Raney-Ni, the dehydrogenation conversion of decalin was the highest, the purity of the evolved hydrogen was 99% without any impurity component.
     实验结果表明,在653 K、12 g Raney-Ni和1.5 mL十氢萘条件下,十氢萘脱氢反应转化率最高,生成氢气的纯度达到99%,不舍任何小分子杂质气体。
     By isoelectric precipitation (pH4.28), ultrafiltration(molecular cut off 10 000) and AOT reverse micelle extraction MTGase, MTGase specific activity enhanced to 14.2 U/g from 0.16U/g, increasing by a factor of 88.75. The yield of activity is 100%.
     粗MTGase在pH值4.28经等电点沉淀除杂蛋白、经过截留分子量10000的超滤膜除小分子杂质及50m mol/L AOT/异辛烷反胶束萃取三个步骤,MTGase比活力由0.16U/g升至14.2 U/g,提高88.75倍。
短句来源
     The results showed that under the reaction conditions of 593K, 0.5mL cyclohexane and 7g Raney-Ni, the dehydrogenation conversion of cyclohexane was up to 72.7%, the purity of the evolved hydrogen was 100% without any impurity component, the apparent activation energy of the cyclohexane dehydrogenation reaction was 54.55 kJ/mol.
     实验结果表明,在593K、7gRaney-Ni和0.5ml环己烷条件下,坏己烷脱氢反应转化率最高为72.7%,生成氢气的纯度为100%,不含任何小分子杂质气体,反应的表观活化能为54.55KJ/mol。
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     Procedures were suggested for IR determination of the quantities of cyclic carbonate in poly(propylene carbonate) samples.
     用IR光谱法测定聚碳酸亚丙酯样品中的环状小分子杂质碳酸亚丙酯。
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     Compared it with the acid extract method, this method can improve the extract ratio from 10.95 % up to 11.45 % , polysaccharide content from 19.8% up to 28.19%, proteins content from 1.92% down to 0.97% .
     与酸提取法相比,超声波法的粗提物提取率稍高(分别为10.95%和11.45%,P>0.05); 但提出物中的糖含量明显增加(分别为19.8%和28.19%,P<0.01),大分子杂质明显减少(分别为1.92%和0.97%,P<0.01)。
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  相似匹配句对
     10 ?
     分子
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     Molecular Selection
     分子选择
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     Determination of small molecular weight impurity in Chondroitin Sulfate Injection
     硫酸软骨素注射液小分子杂质检查方法研究
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     Objective: To develop a determination methods of small molecular weight impurity in Chondroitin Sulfate injection.
     目的:建立硫酸软骨素注射液小分子杂质测定方法。
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     STRUCTURE ELUCIDATION OF IMPURITIES IN CARBAMAZEPINE
     卡马西平杂质分析
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  gas impurities
The effect of non-absorbable gas impurities on heat and mass transfer in metal-hydride devices for storage and purification of h
      
It is shown that the introduction of heavy inert gas impurities into the condensed phase of a lighter inert gas can significantly change the kinetic properties of the latter at high pressures.
      
Model calculations of the spectra of rare-gas impurities in alkali hosts
      
The spectra of rare-gas impurities in alkali hosts are evaluated for a change of mean-field (ΔMF) model.
      
The positron annihilation technique (P.A.T.) has been used in a study of interactions between gas impurities and crystal defects (vacancy loops and voids) in molybdenum.
      
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It is presented in this paper that multi-cell equilibrium dialysis is used to determine hydrodynamic radius and its distribution of polyacrylamide. Nucleopore membranes made, by Nucleopore Membrane Co. of U. S. A have stright-through cylindrical pores and meet our requirment. The hydrodynamic radius obtained from this method was found to be in reasonable agreemnt with that found by ultracentrifugation.

本文介绍利用以各种孔径的渗透膜隔开的多级渗透室,进行渗透分级,来测定聚丙烯酰胺的流体动力半径大小及其分布。美国Nucleopore Membrane Co生产的中子穿孔薄膜,能够满足本实验对渗透膜的要求。将达到渗透平衡后的聚丙烯酰胺溶液,通过GPC色谱柱,以除去低分子杂质。用UV检测器测定其吸收峰高度,以确定各渗透室在平衡时的相对浓度。根据各渗透室渗透膜的孔径大小及各室的相对浓度,就可求出聚丙烯酰胺的平均流体动力半径及半径分布来。如有需要,可由此来计算其平均分子量和分子量分布。

A water-soluble gluean, NLC-A, from the roots of Rhamnus heterophyllus Olive was obtained as a homogeneous component as determined by HPLC. NLC-A was shown to compose of D-glucose, and its MW was estimated to be 1.2×10~4.Methylation analysis, peroxidation analysis, Smith degradation and reaction with I_2-KI showed that NLC-A is a (1→4)linked α-D-glucan to which are attached glucosyl side chains at o-6 of the glucosyl residues of the main chain.

女儿茶为民间常用中草药。经水提取,去蛋白及小分子杂质得到女儿茶多糖(NLC-A)粗制品。再经Cellex D,Sepharose 6B和Sephadex G-100相继柱层析,得到均一组分NLC-A,分子量为1.2×10~4,NLC-A经全水解,甲基化反应,过碘酸盐氧化,Smith降解,KI-I_2反应和IR证明其结构为以α(1→4)-D-葡萄糖为主链,并在o-6位有分枝的葡聚糖。

Antigenicity of insulinpreparations is obviously related to theirpurity. The average contents of proinsu-lin. glucagon and pancreatic polypeptidein highly purified insulin (HP-I) producedby us are 76.0, 2.11 and 0.11 ppm respec-tively. These results are superior to thosefor domestic conventional crystalline insu-lin and single peak insulin (SP-I). The antibodies to insulin, proinsulinand pancreatic polypeptide in erum wereexamined in 24 diabetic patients treatedwith HP-I for more than 6 months. Thepositive rates...

Antigenicity of insulinpreparations is obviously related to theirpurity. The average contents of proinsu-lin. glucagon and pancreatic polypeptidein highly purified insulin (HP-I) producedby us are 76.0, 2.11 and 0.11 ppm respec-tively. These results are superior to thosefor domestic conventional crystalline insu-lin and single peak insulin (SP-I). The antibodies to insulin, proinsulinand pancreatic polypeptide in erum wereexamined in 24 diabetic patients treatedwith HP-I for more than 6 months. Thepositive rates for the above three antibod-ies were 37.5%, 0% and 0% respectively.the results showed that the antigenicityof HP-I was much lower than that of do-mestic conventional crystalline insulin andalmost the same as that of MC-I fromNordisk, Denmark.

胰岛素制剂的免疫原性与其纯度密切相关。作者研制的高纯度胰岛素(HP-I)其主要大分子杂质胰岛素原、胰高血糖素和胰多肽的含量分别为76.00、2.11和0.11ppm。产品的纯度显著优于国产普通结晶胰岛素,并超过国外单峰胰岛素(SP-I)的质量标准。临床试用结果,病人血清中胰岛素、胰岛素原和胰多肽等三种特异抗体的阳性率分别为37.5%、0%和0%。其免疫原性也明显低于国产普通结晶胰岛素、接近丹麦单组分胰岛素(MC-I,Nordisk)的水平。

 
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