二酸

Main production sulfide Green, Chloropicrin, picric acid, dinitro-chlorobenzene, potassium chlorate, high sodium chlorate, ammonium perchlorate, such as more than 30 kinds of products, exports of Asia and Europe more than 30 countries and regions. In 2000 through ISO9002 quality system certification, production scale, cost-effective, enterprise management, technological advancement, product quality, environmental protection are rising, has very broad prospects for development.

主要生产硫化青、氯化苦、苦味酸、二硝基氯化苯、氯酸钾、高氯酸钠、高氯酸铵等30多种产品，出口亚欧30多个国家和地区。2000年通过ISO9002质量体系认证，生产规模、经济效益、企业管理、技术进步、产品质量、环境保护均不断提升，具有十分广阔的发展前景。

The influences of different surfactants (sodium dodecyl sulfate, sodium cholate and sodium deoxycholate), different electrolytes (sodium phosphate monobasic, sodium tetraborate and 3-cyclohexylamino-1-propane sulfonic acid), buffer pH and organic modifiers on the determination of sialic acid were studied.

其次建立了一种测定唾液酸的在线富集CZE法，该方法用40 mM磷酸二氢钠为缓冲溶液电解质，通过将样品溶解在乙腈：水=2：1的样品基体中，进样时间增加到100 s来达到样品富集的效果，并考察了样品基体中乙腈浓度和进样时间对富集效果的影响，研究了用硼砂或3-环己胺-1-丙烷磺酸作为电解质、缓冲溶液pH值和有机修饰剂的加入对唾液酸检测的影响。

Water、alcohol denat.、glycerin、butylene glycol、alanine、sucrose、urea、peg-60 hydrogenated castor oil、triethanolamine、allantoin、limonene、hamamelis virginiana extract、linalool、menthoxypropanediol、propylene glycol、alpha-isomethyl ionone、aspartic acid、acrylates/c10-30 alkyl acrylate crosspolymer、bisabolol、citronellol、fructose、glucose、glutamic acid、hexylene glycol、dextrin、hexyl nicotinate、fragranceparfum

水、双丙甘醇、变性乙醇、甘油、聚乙二醇-75、丁二醇、麦芽糖醇、PEG-60氢化蓖麻油、透明质酸钠、聚山梨醇酯-20、杏汁、乙醇、乳酸菌/梨汁发酵过滤液、磷酸氢二钠、乙基葡糖苷、羟丙基甲基纤维素、磷酸钾、黄原胶、豆瓣菜提取物、EDTA二钠、香精、茶叶提取物、苯氧乙醇。

With more than 1800 employees, 180 million total assets and 250 thousand square meter industrial area, now we have already developed three subsidiaries: Biochemical Company, Cyder Company and Wine Company; the main products including itaconic acid, itaconic anhydride, dimethyl itaconate, L-Threnonine, L-Tartaric Acid, Kojic Acid, Kojic Acid Dipalmitate, Hyaluronic Acid, Phytic Acid, Cider, Mineral water, Apple vinegar and high-grade grain spirits, etc.

我公司生产历史悠久，技术力量雄厚，现有职工1800余人，厂区面积25万平方米，下属生化公司，苹果酒公司，白酒公司，主要产品有衣康酸、衣康酸酐、衣康酸二甲酯、苏氨酸、酒石酸、苹果酒、苹果醋、琅琊台系列白酒等。

Eleven novel 2-alkylthio-5-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-5-yl)-1,3,4-oxadiazole derivatives (5) and six novel 2-alkylthio-5-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-5-yl)-1,3,4-thia- diazole derivatives (8) have been designed and synthesized by using 5-amino-3-ethoxycarbonyl-1H-1,2,4-triazole as a starting material.

以5-氨基－1H-1，2，4-三唑－3-羧酸乙酯为起始原料，设计合成了11个新型的2-取代硫醚－5-（5，7-二甲基－1，2，4-三唑并[1，5-a]嘧啶基）-1，3，4-恶二唑类化合物(5)和6个新型的2-取代硫醚－5-（5，7-二甲基－1，2，4-三唑并[1，5-a]嘧啶基）-1，3，4-噻二唑类化合物(8)。

Single crystal of Arginine dichloride dihydrate was studide by x-ray diffraction expriments in emphasis of main influence factors of arginine conformational variation,and was also compared with its other conformations in the existence of different anions.

以X光衍射实验对二水合氯酸的晶体结构进行了研究，重点讨论了影响精氨酸构象变化的主要因素并比较了在不同阴离子存在条件下精氨酸构象的变化情况。

Sodium hexametaphosphate, sodium acid pyrophosphate, monosodium phosphate,disodium phosphate

六偏磷酸钠，酸式焦磷酸钠，，磷酸二氢钠，磷酸氢二钠，磷酸氢二钾，磷酸二氢钾

Using completely PVD method, successively depositing doffing pellicle twain anhydride and diamine on the polishing glass substrate in the high vacuum environment, and then processing heat treatment in proper surrounding temperature., make sure twain anhydride and diamine form polymeric amic acid, and more ring-imidization.

采用全物理气相沉积方法，在高真空环境中将脱膜剂、二酐和二胺先后沉积于抛光的玻璃衬底上，然后在适当的环境温度中进行热处理，使二酐和二胺形成聚胺酸，并进一步环亚胺化。

Melanin from cheese and other food contained tyrosine, in the body under the action of enzymes, tyrosine into DOPA and then oxidation, the final polymerization into melanin.

黑色素来源于奶酪等食物内所含的酪氨酸，在体内酶的作用下，酪氨酸转化成二羟苯丙氨酸，然后氧化，最后聚合成黑色素。

Furthermore, the important fragment which is composed of pentenyl cinnamic acid and D-Tyrosine, and the ester which is composed of L-N-methylated phenyl amino acid and diketopiprazine was synthesized with considerable yield The conjugation of the new DOPA analogue into the peptide in the total synthesis of Pepticinnamin E was investigatited

另外，本文作者还进一步合成了高收率的戊烯基肉桂酸衍生物与D-酪氨酸的缩合片段及L-N-甲基苯丙氨酸与哌嗪二酮的酯两个重要的结构组成部分；对新多巴衍生物片段嵌入肽链中的工作亦进行了有益的尝试。

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。