一酸的

A series of newl naphthalenic sulfonated polyimides were synthesized using 1,4,5,8-naphthalenetetracarboxylic dianhydride, 2,2'-benzidinedisulfonic acid by one-step high temperature polymerization method. The sulfonated degree of SPI-X membranes was controlled through adjusting the molar ratio of BDSA to the non-sulfonated diamines.

采用1，4，5，8-萘四酸二酐、2，2′-联苯二胺双磺酸和APBA为单体，通过高温一步聚合法合成了含有噁唑环的新型磺化聚酰亚胺，通过调节二胺单体的比例控制磺化程度。

The method of synthesis of N,N-dimethyl-1-aminomethane-1,1-di phosphonic acid N-oxide is introduced.

介绍了一种氨烷基膦酸氮氧化物——二甲基氨基亚甲基二膦酸氮氧化物的合成方法，并进行了缓蚀阻垢性能的研究。

Physalis pubescens: yellow globular berries, the outside layer of dry skin, like packaging, the internal multi-containing fruit juice and seeds, sweet and tastes slightly acidic.

毛酸浆：黄色的球状浆果，外面一层干枯的皮，犹如外包装，果子内部多含汁液和种子，吃起来微酸带甜。

Calcium propionic is the oxidation products by amino acids and fatty acid in human body, so acid and its salts is a very good safe preservative.

丙酸是人体内氨基酸和脂肪酸氧化的产物，所以丙酸及其盐类是一种安全性很好的防腐剂。

The results show that the SAPO–5 has a pillar-like morphology with the size of about 20 μm×5 μm×5 μm.The ratio of P:Al:Si is 1:1.19:0.67 in its crystal structure, the content of Si is high. The total acidimety fo the SAPO–5 is 578.0 μmol/g , hihger than that of prepared by one step crystalline hydrothermal method.And its initial catalysis character performance on normal butane isomerization reaction reach 24.8 %, higher than that of prepared by one step crystalline hydrothermal method.

实验结果表明：产物为柱状的磷酸硅铝分子筛，其晶粒尺寸大约为20 μm×5 μm×5 μm，其晶体结构中P：Al：Si＝1：1.19：0.67，硅含量较高；采用分段晶化方式制备的SAPO-5分子筛的总酸量为578.0 μmol/g高于一段晶化方式制备的SAPO-5分子筛的总酸量；采用分段晶化生成的SAPO-5分子筛的催化正丁烷异构化反应初始活性可达到24.8 %，远高于一段晶化制备的SAPO-5分子筛的初始活性14.1 %。

White Liquid, Cationic, pH approx 4.00 Texassist CAD A unique acid demineralisation product which incorporates a detergent into the acid sequesterant system whereby iron contaminants and heavy metal ions are removed/dissolved and sequestered.

白色液体，负离子，酸碱度大约4.00 Texassist CAD 合并一种洗涤剂酸sequesterant 系统的一个独特的酸脱矿质产品藉以钢污染物和重金属离子是removed/dissolved 和隔离。

An amino acid,C5H12N2O2,formed by hydrolyzing arginine and important in the formation of urea.

鸟氨酸一种由精氨酸水解而成的并在尿素合成中起重要作用的氨基酸，

Polyaspartic acid is a green,biodegradable and environment friendly chemical.The synthesis of polyaspartic acid was systematically introduced.

聚天冬氨酸是近几年来在全球销量日增的绿色化学品，它是一种带有羧酸侧链的聚氨基酸，可完全生物降解，对环境友好。

It is concluded that various phenolic acids had irregular effects on the growth of the pathogens at different concentrations, and there is a complicated relationship between the autotoxins and the occurrence of disease in the ginseng field.

不同酚酸在不同浓度下对2种西洋参病原菌作用不同，在田间实际情况下，化感酚酸与西洋参病害的发生之间可能是一种复杂的过程

In addition, phytase had great applicable foreground for the addition of phytase to feedstuffs because it had a widespread application in food and medicament et al.

此外，植酸酶制剂在食品、医药等方面有广泛的应用。所以，植酸酶作为一种饲料添加剂，有着广阔的应用前景。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。