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- X-ray diffraction shows that polyaniline crystal particles are formed in SF coal, which have low polymerization degree ... 衍射分析表明;苯胺在煤中聚合生成了较多低聚合度的聚苯胺晶粒;这些晶粒与SF煤发生了较为稳定的复合.
- Poly(vinyl acetate) with low polymerization degree had been prepared through radical polymerization using AIBN as initiator in methol solution. 以甲醇为溶剂,偶氮二异丁腈(AIBN)为引发剂,采用自由基聚合方法合成了低聚合度聚醋酸乙烯酯,并对其结构进行了表征。
- Keywords low polymerization degree;PVAc;rheologic feature; 低聚合度;聚醋酸乙烯;流变特性;
- Keywords low polymerization degree paraformaldehyde;sodium sulfite method;iodimetry; 低聚合度多聚甲醛;亚硫酸钠法;碘量法;
- Determination of Polymerization Degree of Industrial Paraformaldehyde and Preparation of Low Polymerization Degree Paraformaldehyde 工业多聚甲醛的聚合度测定及低聚合度多聚甲醛的制备
- ultra low polymerization degree 超低聚合度
- low polymerization degree 低聚合度
- By mechanical mixing of ABS and HPVC(high polymerization degree poly(vinyl chloride))at high temperature, polymer alloys with good overall properties are prepared. 将ABS和HPVC高温机械共混,制备了综合性能好的聚合物合金。
- Flame retardancy of a high polymerization degree PVC, plasticizer and flame retardant elastomer is studied. 研究了高聚合度聚氯乙烯树脂与增塑剂及阻燃剂共混弹性体材料的阻燃性能。
- The GPC results indicated that the polymerization degree increased with the extension of reaction tine and the molecular weight distribution was tend to be monodispersity. GPC研究结果表明随反应时间延长,聚合度增大,聚合物分子量趋于增大但分散性减小。
- The paper probes into the influencing factors of cotton linter pulp's polymerization degree under different cooking conditions. 研究了不同的蒸煮工艺条件下各因素对棉短绒浆聚合度的影响情况。
- A series of rosin pentaerythritol ester polyoxylethylene ether (RPEO) with different polymerization degree (n) of epoxy ethane (EO) were synthesized. 合成了不同聚合度的松香季戊四醇酯聚氧乙烯醚(RPEO)。
- In addition, the density and the polymerization degree of the fiber both declined appreciably because of exploding function. 而纤维的密度和聚合度由于热压和冲击波的作用有所下降。
- The influences of such factors as PA6 content and polymerization degree, deformation stretch and recovery temperature, recovery times on the shape memory function were studied. 研究了PA6含量与聚合度、形变拉伸温度与形变回复温度及回复次数等因素对形状记忆功能的影响。
- The detergency,dispersing and wetting properties of alkyl polyglucosides with differences in chain length and average polymerization degree(DP)were evidenced. 对不同碳链和不同聚合度的烷基多苷的去污力、钙皂分散力、润湿力进行了研究和评价。
- Proportioning of catalyst and 1-decene monomer effects the conversion of oligomerization, but takes little effect with polymerization degree of 1-decene. 增加催化剂与单体的配比,可以提高转化率,但不会影响齐聚产物聚合度;
- The alloy with main materals of acrylonitrile-butadiene-styrene resin (ABS), high polymerization degree of poly(vinyl chloride) (HPVC),ACR as the compatibilizer,and with other agents was investigated. 研究了采用丙烯腈 -丁二烯 -苯乙烯树脂 (ABS) ,高聚合度聚氯乙烯 (HPVC)为主体材料 ,丙烯酸酯类共聚物改性剂 (ACR)为增容剂 ,并配以其它助剂制备 ABS/ HPVC合金。
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- T he lower polymerization silicon, higher alkalinity, lower solid-liquid and sili con-aluminum ratios, proper additive, and higher additive quantity help to the synthesis of the nanozeolites. 低聚合度硅源、较高的碱度、较低的固液比和硅铝比、较低的晶化温度、合适的添加剂类型以及较高的添加剂用量有助于纳米沸石的形成;
- The singer forced his low notes. 那位歌手勉强唱出低音。