阳离子

The synthesis methods of ethyl lactate catalyzed by P-toluene sulfonic acid, cationic exchange resin, ferric chloride hexahydrate, stannous chloride, Aluminium chloride, modified zirconium oxid, ferric-potassium vitriol, ammonium ferric sulfate dodecahydrate, rave earth sulfate, sodium bisulfate monohydrate, complex solid superacid, heteropoly acid, molecular sieve, ionic liquid and lipase etal.

评述了对甲苯磺酸，阳离子交换树脂，六水三氧化铁，氯化亚锡，三氯化铭，改性氧化锆，铁钾矾，十二水合硫酸铁铵，稀土硫酸盐，一水硫酸氢钠，复合固体超强酸，杂多酸，分子筛，离子液体和脂肪酶等催化剂催化合成乳酸乙酯的合成方法。

The relationship between the spinnability of easy eationic dyeable PET fiber and the performance of finishes was studied from the aspects of friction property and antistatic behavior.

从纺织过程中的摩擦特性、抗静电性等方面分析了阳离子可染聚酯纤维的可纺性与油剂性能之间的关系。

The relationship between spinnability of easy cationic dyeable PET staple fiber and property of oiling agent was discussed based on its anti-static characteristic, nature of friction, etc.

从阳离子可染聚酯短纤维在纺织过程中的摩擦特性、抗静电性等几方面探讨了纤维的可纺性与油剂性能之间的关系。

In this paper, synthetic process of PTT and cationic dyeable PTT was studied, including molar ratio, catalyst concentration, reaction time and temperature, types of antioxidants in the esterification reaction and the condensation reaction.

研究了聚对苯二甲酸丙二醇酯、阳离子染料可染PTT的合成工艺条件中各因素对酯化及缩聚反应的影响，包括单体物质的量比、催化剂浓度、反应时间和温度、抗氧剂种类等。

The cation dyeable polyester fiber,which was developed by Do punt corporation in 1958 and commercialized in 1962 known as Dacron,is a main representative of new polyester fibers because of excellent dyeability and low cost.

阳离子可染聚酯纤维首先由美国杜邦公司于1958年研制成功，并于1962年实现商品化，商品名为达克纶，由于其优异的染色性能和低廉的染色成本，使它成为聚酯纤维新品种的主要代表。

The relaxation modulus, the relaxation time spectra and the structure parameters C 1 and C 2 in the WLF equation were derived from the dynamic mechanical temperature spectra of the cationic dyeable PET fibres after heat setting.

对热处理的阳离子可染改性涤纶测得的动态力学温度谱，求得松弛模量，应力松弛谱以及WLF方程中的结构常数C1和C2，分析了试样超分子结构的变化，说明了热处理工艺改善纤维可染性的机理。

Sirofil yarn is developed with cashmere,cationic-dyestuff dyeable polyester fiber and triangle polyester fiber .

文章从原料选择、纺纱流程、工艺参数、关键措施等方面探讨了如何利用羊绒、阳离子改性涤纶和三角截面涤纶生产S irofil闪色纱，该纱由于具有独特的色光效果，因而具有广阔的发展前景和可观的经济效益。

The fabric,made of three to one blended yarn of two kinds of chemical fibers of common temperature and common pressure cationic dyeable polyester and mid-optical rayon with mid-wool,is characteristic of many good qualities as wool like,unique colour,light weight,anti crease and good rinsibility,thus suitably to be used to make top grade shirts.

利用常温常压可染阳离子涤纶、中长有光粘胶两种改性化纤和中长羊毛混纺开发生产涤粘毛三合一产品，制成的织物仿毛感强，色彩独特，面料轻薄，抗皱易洗，适合做高档衬衣。

The ability of electrochemically switched ion exchange depends largely on the concentration of ion,the ion type and scan rates.

溶液中离子的浓度、离子的种类是膜内阳离子交换的主要影响因素。

Furthermore, we found that the polythiophene film showed a cation-sieving effect to the cations with different sizes when it was electrochemically reduced.

同样，该薄膜在n掺杂时对不同的阳离子也有筛选作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。