乙烯

Washable, and dry cleanable with perchloroethylene-based solvent

可以缝制，线缝不易裂开可以洗涤，乾洗全氯乙烯类

A fast colorimetric method of determining fatty alcohol polyoxyethylene ether in compact laundry powder with cobaltic thiocyanate was discussed.

介绍了用硫氰酸钴盐比色法对浓缩粉中脂肪醇聚氧乙烯醚(AEO9)含量进行快速测定的方法，该法准确、方便，相对标准偏差小于 1%，浓缩粉中其他组分对测定结果无干

B.So this is not concessional at all,but really dear money because you have to pay interest on the interest.

这100亿人民币的习圆要继续还下去，至少要20年到30年，使这个乙烯设备都翻不过身来。

The interaction between the polycation and polyanion was studied by spectrophotometry and conductometric titration.

目前研究得较多的体系是聚苯乙烯衍生物，如Ioplex 1 0 1即由聚苯乙烯磺酸钠和聚氯化乙烯基苄基三甲基铵反应而得[2 ，3] 。。。。。

Softened monomer is adopted to copolymerize with VC to overcome deficiencies of blending modification,and it has gradually become important pathways and hotspot of toughening modification of PVC.

采用软单体与氯乙烯共聚可以克服共混改性的不足，已成为PVC增韧改性的重要途径和研究热点。

Of the total mass of the white glueto copolymerize with vinyl acetate can produce white glue whose apparent viscosity is 13-65 Pa·s,and its adhesive strength and to boiling water-resistant are obviously enhanced compared with the white glue without adding VB in the same preparing conditions.

56%的VB与醋酸乙烯酯一起共聚，可制得表观粘度为13～65 Pa·s的白乳胶，而且其粘接强度和耐沸水性都比相同条件下制备的不加VB的白乳胶明显提高。

Copolymerize methacrylic acid 3(4′-N,N-dimethylamino) ketone xanthate and acrylamide were copolymerized with N,N-methylene bisacrylamide,and then combined with silane ethylene group in the form of covalent bond on the quartz glass shee t to be made into a sensor,to determine ethanol.

将甲基丙烯酸3-(4′-N，N-二甲氨基)黄酮酯和丙烯酰胺、N，N′-亚甲基双丙烯酰胺共聚并共价键合在硅烷化的含乙烯基团的石英玻片上，制成了可测定乙醇的传感器。

Of the total mass of the white glue to copolymerize with vinyl acetate can produce white glue whose apparent viscosity and adhesive strength are obviously enhanced compared to the white glue without addingα-pinene in the same preparing conditions.

制备低固含量(＜20%)的白乳胶时，加入少量(白乳胶总质量的0.1%～0.2%)的α-蒎烯与醋酸乙烯酯一起共聚，可使白乳胶的表观粘度及其粘接强度均有明显提高。

Three major anthocyanins of blood orange were isolated. HPLC-ESIIMS analysis results show that the anthocyanins of blood orange are mainly cyanidin-3-glucoside (35.2%) and cyaniding-3-(6"-malonyl) glucoside (42.9%). Furthermore, cyanidin-3-(3"-malonyl) glucoside, cyanidin 3-(6-dioxalyl) glucoside and cyanidin-3-glucoside adduct: 4-vinylcatechol were identified in blood orange.

HPLC-ESI/MS分析表明，血橙花色苷主要是为矢车菊素-3（3&-丙二酰）葡萄糖苷和矢车菊素-3（6&-二乙二酰）葡萄糖苷（组分1），矢车菊素-3-葡萄糖苷（组分2），矢车菊素-3（6-丙二酰）葡萄糖苷（组分3）及矢车菊素－3-葡萄糖苷加成物4-乙烯基儿茶酚（组分4）。

Starting with two reactive methylene compounds, ethyl cyanoacetate and malononitrile, two 5-amino-1H-pyrazoles were prepared through the intermediates ketene dithioacetal.

从两个活泼亚甲基化合物开始，经过乙烯酮二硫代缩醛中间体，合成了两个5-氨基-1H-吡唑，以这个两个化合物为中间体，与芳香族和脂肪族α-溴代酮反应，而后经酸催化亚胺化互变异构后得到含咪唑并[1，2-b]吡唑甲硫醚类化合物6a-6g。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。