投料比

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投料比投料比
  1. 分子量分布随聚合反应时间增长而增加,提高DVB的投料比也会使分子量分布变宽。

    The molecular weight distribution becomes broad with the progress of polymerization , while increasing the feed ratio of DVB can also broaden the molecular weight distribution .

  2. 本文对合成甲基酮化合物(化合物2)、碘代物(TM1)的影响反应的常规因素如时间、温度、投料比等进行了详细的考察。

    In this paper , synthetic Methyl ketone compound ( 2 ) and the compounds of Iodine compound ( TM1 ) affect the reaction of the conventional factors such as time , temperature , feed ratio were investigated in detail .

  3. 考查了各反应步骤中反应温度、反应时间、pH值和投料比等实验因素对产物收率的影响。

    The effects of the reaction temperature , reaction time , pH and reaction formula on the yield of the product were studied .

  4. 采用乳液聚合技术通过改变共聚单体的投料比(St/AN)合成了一系列不同AN结合量的ABS接枝共聚物粉料和SAN共聚物。

    A series of ABS graft copolymers and SAN copolymers with different acrylonitrile ( AN ) contents were synthesized with emulsion copolymerization technique .

  5. 以微晶纤维素为原料,高碘酸钠(NaIO4)作氧化剂制备了氧化纤维素,考察了反应时间、高碘酸钠与微晶纤维素投料比、反应温度和溶液pH等条件对醛基的影响;

    Preparation of oxycellulose was studied with minicrystal cellulose using NaIO_4 as oxidant . The influences of reaction time , oxidant concentration , reaction temperature and pH of solution on the aldehyde group of oxycellulose were discussed .

  6. 通过改变引发剂和单体投料比调节聚合物的组成,并利用凝胶渗透色谱(GPC)、NMR和FT-IR等进行了表征。

    Gel permeation chromatography ( GPC ), NMR and FT-IR were used to demonstrate the structure and analyze their compositions which would be adjusted by alternation of the feeding ratio of imitator and monomer .

  7. 分别考察不同投料比、预聚时间和熔融共聚时间的影响,并用FT-IR1、HNMR、GPC、DSC等进行了系统表征。

    The copolymer was systematically characterized by FT-IR ,(() ~ 1HNMR ), DSC and GPC . The optimal synthetic conditions , including the feed molar ratio , the prepolymerization time and polymerization time , were discussed .

  8. CBp用LGA投料比,PLGA浓度,内/外相体积比,是影响卡铂微囊包封率和粒径分布的主要因素。

    Conclusion : 1 . The drug / polymer ratio of CBP-PLGA-MC , the polymer concentration and the volume ratio of the dispersed and continuous phases were mainly influence the encapsulation and microparticles size .

  9. 并对反应时间、反应温度、投料比、催化剂的用量进行了较详细的研究,找出了一个较佳的实验方案,产物结构经过IR、~1H-NMR、~(13)C-NMR、MS确证。

    The effects of reaction time , temperature , material molar ratio and catalyst-to-crude ratio on the yield of products are discussed and the optimum synthesis schemes are found out . The target products are identified by IR , ! H-NMR , 13C-NMR and MS.

  10. 虽然多糖/蛋白投料比会影响两者的结合,但6-O-硫酸酯化壳聚糖(6S)在较宽的投料比范围内表现出最高的溶菌酶结合活性。

    Although the quantity ratio of sulfated polysaccharides and lysozyme has impact on their binding , 6-O-sulfated chitosan exhibits the highest lysozyme binding activity in a wide range of quantity ratio .

  11. 研究表明在微波功率850w,辐射时间20min,投料比11.15(醇酸比)的条件下,微波加热法的反应速度是常规加热法的11倍。

    The results show the reaction speed of benzyl acetate of microwave irradiation was 11 times of that of the conventional synthesis under the same condition .

  12. 形成的胶团粒径在100nm以下,随着葡聚糖分子量的减小或硬脂酸投料比的增大而减小,负载阿霉素后粒径显著增大。

    Particle size of blank micelles was below 100 nm and decreased with the reducing molecular weight of dextran or increasing feeding amount of stearic acid . After loading DOX , the micelles particle size was increased significantly .

  13. 包合物最佳制备工艺为:β-CD与莪术油投料比为8∶1,加2倍量水,研磨时间60min。

    The optimal inclusion conditions were : β - cyclodextrin and volatile oil were mixed in the proportion of 8 : 1 , 2 - fold water was added into the mixture and the mixture was triturated for 60 min.

  14. 探讨了反应策略、溶剂体系、投料比、反应时间以及反应温度等条件对手工合成Fmoc-Asn(Trt)-Wang树脂反应的影响。并用微波辅助方法与常规方法进行了对比。

    The effects of reaction strategy , solution , molar ratio , reaction time and reaction temperature on the yield of Fmoc-Asn ( Trt ) - Wang resin were investigated and the results of microwave-assisted synthesis and manual synthesis were compared .

  15. 不同因素对PPTA浆粕的相对分子质量及长径比的影响大小顺序为:搅拌速率>单体初始浓度>TPC第一次投料比,特别是搅拌速率对PPTA浆粕长径比的影响非常显著;

    The sequence for the effect of different factors on the relative molecular mass and aspect ratio is : stirring speed > initial monomer concentration > the first addition ratio of TPC and the effect of stirring speed on the aspect ratio of PPTA pulps is very remarkable .

  16. 不同投料比酪蛋白改性丙烯腈纤维的性能

    Properties of casein grafted acrylonitrile fibers with different casein feed ratioes

  17. 并探讨了投料比、滴加环氧丙烷的速度、反应温度等因素对反应收率的影响。

    The velocity of the reaction was also investigated .

  18. 而共混物也为相容体系,其组成与两高分子组分的投料比对应。

    All blends were miscible and their compositions were related to the feed ratios .

  19. 溶剂挥发时间主要影响微球中药物释放。处方因素中分散相和连续相的体积比、药物与辅料的投料比、乳化剂浓度对微球的所有性质均有显著影响;

    The duration of solvent evaporation mainly affected the release of drug from microspheres .

  20. 还对反应温度、投料比以及投料量等工艺条件进行了考察。

    Moreover , the reaction temperature , addition ratio and addition amount are also discussed .

  21. 并探讨了催化剂、溶剂、投料比等多种因素对产率的影响。

    The influences of catalyst , solvent and raw ratio on the yields are inquired .

  22. 固体酒精最佳投料比的研究

    Best Inventory Ratio of Solid Alcohol

  23. 采用正交实验,考察了原料投料比、回流反应时间、催化剂等因素对合成的影响。

    The effects of feed composition , reflux reaction time and catalyst concentration on PPTD yield were investigated .

  24. 得出反应随时间变化的曲线及酸醇不同投料比时的转化率。

    The curve of reaction time and conversion rate of different molar ratio of acid to alcohol were gained .

  25. 结果显示共聚物组成与转化率无关,只和单体投料比相关。

    The result confirmed that the composition of the copolymer depended on the monomer feed , not on the conversion .

  26. 通过实验对比我们找到了较佳的反应物的投料比、反应温度和反应所用的溶剂。

    The best ratio of reactants , the adequate reaction temperature and solvent have been found by contrast experiments . 4 .

  27. 加成反应以丙烯腈和甘氨酸乙酯盐酸盐为基本原料,投料比为2.5:1;

    Acrylonitrile and glycine ethyl ester hydrochloride were raw material in the addition reaction , with the molar ratio being : 2.5:1 ;

  28. 考察了溶剂、碱、投料比、温度以及后处理方法等对反应结果的影响。

    The effects of solvents , alkaline , molar ratio of the reactants , temperature and work-up methods on the reaction were investigated .

  29. 为了提高反应产率,对投料比、碱类型和反应时间等反应条件进行了优化。

    The parameters related to preparation process such as the feed ratio , alkaline type and reaction time have been optimized . 3 .

  30. 结果:制备的阿霉素磁性明胶微球最佳投料比为1∶15,磁吸附率为100%。

    Results : The optimal ratio of adriamycin magnetic gelatin microsphere was 1 ∶ 15.The magneto-adsorption rate of the microspheres was 100 % .