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  at mass
    The structures and amounts of the polymeric surfactants influenced greatly the emulsification results. The polymeric surfactant with mass ratio of styrene,acrylamide and monomer 3 at mass ratio 1∶0.6∶0.2 was a good emulsifier for the terpene resins(T-90,T-100,T-110). The amount of the surfactant used in the emulsification was 10%.
    高分子表面活性剂的结构极大地影响萜烯树脂的乳化结果,本研究中高分子表面活性剂苯乙烯-聚丙烯酰胺-单体 3(质量比 1∶0. 6∶0. 2)用量为 10%时能将萜烯树脂T-90、T-100和T-110乳化成稳定的乳液。
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    The cardanol formaldehyde resin(CFR) emulsions with high stability were prepared with the mixture of α-olefin sulfonate (AOS) and styrene-acrylamide-acrylic ester copolymer (BAA) at mass ratio 3∶5 of AOS and BAA.
    用α-烯基磺酸钠(AOS)与苯乙烯-丙烯酰胺-丙烯酸酯共聚物(BAA)(质量比3∶5)的复配物为乳化剂制备了稳定性高的腰果酚醛树脂乳液。
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    The results showed that PES/DMAc solution belonged to non-Newtoman pseudoplastie fluid at mass fraction 18% -28%. The apparent viscosity of the solution was decreased while increasing temperature and shearing rate, which indicated that the solution exhibited shear thinning behavior.
    结果表明:PES/DMAc溶液(质量分数为18%~28%)属非牛顿流体中的假塑性流体,表观粘度随温度和剪切速率提高而降低,具有切力变稀行为。
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  “(质量”译为未确定词的双语例句
    The main influencing factors on the CCMP conversion ratio are examined. The experimental results show that under 700 r/min stirring rate,reflux temperature 92 ℃,V(OH-)/V(CCMP)=5∶1,10%(wt) of alkali solution concentration,DMF 15%~ 30%(wt) against to CCMP,20%~25%(wt) better,the reaction time 6 h,the conversion ratio of CCMP can reach over 95%.
    考察了影响CCMP转化率的主要因素,结果表明,在搅拌速度700r/min,碱液浓度10%(质量分数),温度92℃,m(DMF)/m(CCMP)=0.15~0.30,最好0.20~0.25,V(OH-)/V(CCMP)=5∶1,反应时间6h条件下,CCMP转化率可达95%以上。
短句来源
    It is found that the optimum formulation(mass) is polyether polyols(average functionality ≈ 4) 100 parts,mixed delay catalyst YC-1 0.8 parts,water 0.6 ̄1.0 parts,physical foaming agent 5 ̄8 parts,foam stabilizer B8870 1.0 ̄ 2.0 parts; the isocyanate index is 1.05 ̄1.15;
    得出较佳配方(质量份)为:聚醚多元醇(平均官能度4左右)100,复配延迟催化剂YC-10.8,水0.6 ̄1.0,物理发泡剂5 ̄8,泡沫稳定剂B88701.0 ̄2.0,异氰酸酯指数1.05 ̄1.15;
短句来源
    The saturation sulfur capacity of CuY-135-500 type zeolite absorbent which was prepared under above optimum conditions for model gasoline could reached 8.61%(mass fraction) at the conditions of atmospheric pressure,room temperature and LHSV 10h1.
    在上述条件下制得的分子筛吸附剂对模型汽油在常压、室温、液体时空速为10 h-1时的饱和硫容量为8.61%(质量分数)。
短句来源
    When the mass fraction of elastomer such as ethylene-1-octene copolymer(POE),ethylene-propylene-diene copolymer(EPDM) or ethylene-vinyl acetate(EVA) was 15%,the notched impact strength of composite were 5.8,6.7,4.7 times of that of nylon 66 correspondingly,and the tensile strength of compounds were 109.32,99.30,85.46MPa respectively.
    当弹性体乙烯-1-辛烯共聚物(POE)、三元乙丙橡胶(EPDM)或乙烯-乙酸乙烯酯(EVA)的加入量为15份(质量)时,相应三元复合材料的缺口冲击强度分别为尼龙66的5.8,6.7,4.7倍; 拉伸强度分别为109.32,99.30,85.46 MPa。
短句来源
    When the mass fractions of PA 66,POE-g-MAH,GF were 65%,10% and 25% correspondingly,the impact strength and tensile strength of the composite were 268J/m and 130MPa respectively.
    当PA 66/POE-g-MAH/GF配比(质量份)为65/10/25时,该复合材料的缺口冲击强度为268 J/m,拉伸强度为130 MPa。
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  at mass
Discovery of a narrow resonance state of the system KSKS at mass 1520 MeV
      
The sign of Tf3 is connected with the sign at mass terms in the modified Hamiltonian HFW.
      
On the other hand, dehydrated ammonium carnallite was mixed with the solid ammonium chloride at mass ratio 1 : 4 at high temperature and with the differential pressure of NH3 above 30.5 kPa.
      
Aside from the fragments of the OCS monomer and the van der Waals cluster fragments (OCS)2+ and (OCS)3+ signals at mass S2+, S3+ and S2OCS+ are detected.
      
Higher removal efficiencies (>amp;gt;90%) were achieved at mass loadings below 50.3 g/m3/h.
      
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On the basis of industrial production of soybean—casein, we try to change the proportions of chemical reagents and the temprature of extraction.It has been found that the suitable increment of NaOH and CaO gives marked yields of soybean —casein and the suitable increase of the amount of Na_2SO_3 and Na_2S_2O_4 gives whiter products.When the temprature of extraction is suitably raised an improved product has been obtained. We find three kinds of different proportions of chemical reagents and under suitable temprature,...

On the basis of industrial production of soybean—casein, we try to change the proportions of chemical reagents and the temprature of extraction.It has been found that the suitable increment of NaOH and CaO gives marked yields of soybean —casein and the suitable increase of the amount of Na_2SO_3 and Na_2S_2O_4 gives whiter products.When the temprature of extraction is suitably raised an improved product has been obtained. We find three kinds of different proportions of chemical reagents and under suitable temprature, they will give higher yields and better qualities of soybean — casein. The physical and chemical properties of different degree of denatured products have also been studied.It has been found that the qualities of soybean —casein are greatly related to their degree of denaturation.

本文报导了在豆酪素工业生产的基础上,改变生产中所用化学试剂的用量和抽提温度等,发现适当地提高NaOH和CaO用量能明显地增加产量;适当地增加Na_2SO_3和Na_2S_2O_4用量能明显地提高白度.而抽提温度的适当升高能够改进产品质量,并且找到三种试剂配比,结合加温抽提,能得到产量较高、质量较好的产品. 比较不同变性程度的豆酪素的物理化学性质和质量的关系,发现豆酪素的质量与变性有密切联系,控制变性因素能得到质量较好的产品.

Fluorescein isothiocyanate has been prepared by method of Stansilav Smolik with some modifications. The product is obtained with good purity and in high yield, and is entirely suitable for the fluorescent antibody technique.

我们采用Stansilav Smolik报导的用二硫化碳处理氨基萤光素的途径,合成了异硫氰酸萤光素,在合成方法上作了某些改进,使产品的质量和产量都有较显著的提高。产品经萤光抗体技术检验,效果良好。

It has been shown that increasing the temperature of hydrolysis or using a mixed solvent composed of acetone and toluene favours the hydrolytic co-condensation of me-thyltrichlorosilane with phenyltrichlorosilane and dimethyldichlorosilane, but avoids the gel-forming phenomenon. As a result of which a solventless, hydroxyl condensation type silicone resins with lower R/Si, C6H5/E ratio and higher Si-OH group content can be prepared, and the resins are suitable for transfer moulding compounds. By using these...

It has been shown that increasing the temperature of hydrolysis or using a mixed solvent composed of acetone and toluene favours the hydrolytic co-condensation of me-thyltrichlorosilane with phenyltrichlorosilane and dimethyldichlorosilane, but avoids the gel-forming phenomenon. As a result of which a solventless, hydroxyl condensation type silicone resins with lower R/Si, C6H5/E ratio and higher Si-OH group content can be prepared, and the resins are suitable for transfer moulding compounds. By using these methods the probedure is simplified, the time of operation is greatly shortened and the quality of the resins is stable.In addition, the relation between the structures of the resins and the properties of the transfer moulding plastics has been discussed. A proper choice of curing agent and a general purpose reinferced filler will result in excellent performance of the plastics.

本文指出提高水解温度,或使用丙酮和甲苯混合溶剂,有利于甲基三氟硅烷与苯基三氯硅烷和二甲基二氯硅烷的共水解缩聚反应,而不易产生凝胶现象。并以此合成了适于递模塑料的R/Si较小、C_6H_5/R较低、羟基含量较高的羟基缩合型无溶剂树脂,简化了步骤,大大缩短了操作时间,树脂质量稳定。此外还讨论了树脂的结构与递模塑料性能的关系,选择了较好的固化剂以及通用的补强剂,使塑料具有优异的性能。

 
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