丙烯腈

Solubility of liquid blowing agent in vinylidene chloride - acrylonitrile - styrene terpolymer was determined under the condition of directly immersing the VDC polymer sample into the blowing agent.

研究了液体发泡剂种类、共聚物组成、浸渍温度对发泡剂在偏氯乙烯-丙烯腈-苯乙烯共聚物中溶解度的影响。

The rheological properties of chitosan/PAN blending dope were measured with cone plate rotating viscosimeter.

采用锥板式旋转粘度计法对壳聚糖／聚丙烯腈共混原液的流变性能进行了测定。

In this paper,MATLAB was applied in processing the experimental data of viscosimetry through programming a concise m-file.

本文通过编写简单的MATLABm文件，处理粘度法测定聚丙烯腈分子量的实验数据。

KF/NaZnPO4 was used as the catalyst for Michael addition reaction of ethyl acetoacetate and acrylonitrile.

以磷酸锌钠负载KF为催化剂，催化乙酰乙酸乙酯与丙烯腈进行Michael 加成反应。

chelating fiber with amidoxime group, synthesis, structure, property

第二种合成路线得到的偕胺肟基纤维氰基转化率可到100%，但合成路线要经过引发剂引发、丙烯腈单体接枝两步之后，才能进行偕胺肟化。

Chelate fiber with amidoxime group,which is obtained from chemical modification of PAN fiber,is treated with mercury nitrate to prepare anion-exchange fiber.The optimum conditions of the anion-exchange fiber absorption of the thiocyanate ion,such as ion concentration,time,the pH value were studied.

以聚丙烯腈纤维进行NH2OH化学改性制得的含有偕胺肟基的螯合纤维为原料，经Hg(NO3)2化学处理，制得阴离子交换纤维；并以硫氰酸根离子为研究对象，系统地探讨和研究了阴离子交换纤维吸附硫氰酸根离子的最佳条件参数：离子浓度、时间、pH值等。

The yield was 84%. With OP-10, NPE as the the catalyzer for the diazo reaction, the use of hydrolyzed propenenitrile instead of propenoic acid, and OP-10 as the catalyzers of the aminate reaction, these experiments showed the feasibility of industralization, due to the much reduced costs, shortened reaction time and a higher yield.

采用壬基酚聚氧乙烯醚（OP-10）、萘磺酸甲醛缩合物作重氮化反应催化剂，丙烯腈加成、水解替代丙烯酸，OP-10做氨化反应催化剂，通过四因子三水平正交试验法实验，得到较佳反应参数，反应时间、收率、成本都大大降低，适宜工业化生产。

The binary composition contains atactic copolymer of styrene and vinyl cyanide in 50-95 wt% and thermoplastic polyurethane in 5-50 wt%.

本发明涉及一种含聚氨酯的热塑性二元组合物，该组合物含有50～95％的苯乙烯―丙烯腈的无规共聚物和5～50％的热塑性聚氨酯。

The PVp-4 show a two-peak phenomena in melting process indicating every polymer consists of two components with different thermal property.〓CNMR spectrums embody a atactic chain structure.

在对催化4-乙烯基吡啶和丙烯腈的均聚合研究中，考察了新型催化剂中Ti/Co配比、β-二酮种类以及助催化剂、溶剂种类、载体化方法等因素在不同反应条件下对聚合的影响。

Methylpyridine-coordinated ruthenium benzylidene complex 62 shows thehighest catalytic activity. TOF=960 h~(-1) is achieved during RCM reaction of 50, TOF=4 h~(-1)is obtained during the CM reaction of acrylonitrile with 1-decene.

其中，2-甲基吡啶配位的钌卡宾配合物62的催化活性最高，在催化烯烃50闭环交互置换反应时TOF可达960 h~(-1)；催化丙烯腈与1-癸烯交叉交互置换反应时TOF达到4 h~(-1)。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。