氰酸盐

The invention relates to a method for making oligomeric isocyanates by reacting diisocyanates in the presence of a catalyst, wherein the catalyst comprises a saline compound prepared from an anion selected from 1,2,3- or 1,2,4-triazole, a substituted species of 1,2,3- or 1,2,4-triazole and carbocyclically and/or heterocyclically annellated species of 1,2,3- or 1,2,4-triazole and the cation selected from an alkali metal, alkaline-earth metal and/or monovalent ammonium cation and/or phosphonium cation of formula (5), wherein the E, R1, R2, R3, R4 are as defined in the descriotion.

本发明涉及一种制备低聚异氰酸酯的方法，包括二异氰酸酯在催化剂的存在下进行反应，其中所述催化剂由盐化合物组成，该盐化合物由选自1，2，3-或1，2，4-三唑、1，2，3-或1，2，4-三唑的取代系列者、1，2，4-三唑的碳环稠合系列者、1，2，3-或1，2，4-三唑的杂环稠合系列者的化合物及其混合物的阴离子和选自碱金属、碱土金属和/或通式(5)的一价铵阳离子和/或磷友衾胱拥难衾胱又票福其中E、R 1 、R 2 、R 3 和R 4 如说明书中所定义。

The Tripolycyanamide salt(including melamine phosphate、melamine pyrophosphate and melamine cyanurate )is consisted of acid source and gas source and their fire retarding performance is high .

三聚氰胺盐（常见的有三聚氰胺磷酸盐、三聚氰胺氰尿酸盐）集酸源、气源于一体，具有很好的膨胀阻燃效能。

Administration by gavage a mixture of melamine and cyanuric acid may produce insoluble melamine cyanurate crystals in kidney, which will block the tubules and cause renal damage and even acute renal failure. The melamine cyanurate crystals may form urinary calculi with uric acid and other components.

三聚氰胺和三聚氰酸联合灌胃大鼠的肾脏内会形成一种不溶于水的三聚氰胺氰尿酸盐晶体，堵塞肾小管造成肾脏损害甚至急性肾功能衰竭，并可能与尿酸等成分一起诱发泌尿系结石。

Glucosinolates and myrosinase are present in the vacuoles and in the de finite protosome in intact cell and tissues respectively. but when tissues and c ells are damaged, myrosinase will release and hydrolyze glucosinolates to genera te degraded products, such as isothiocyanates and so on.

在完整的植物中，硫代葡萄糖苷存在于细胞的液泡中，葡萄糖硫苷酶存在于特定的蛋白体中，两者相互分离，但当组织和细胞受到损伤时，葡萄糖硫苷酶就会被释放出来，葡萄糖硫苷酶将硫代葡萄糖苷水解，产生异硫代氰酸盐等降解产物。

The synthesis of designed for an organizing functionalized system by supramolecular interaction is emphasized. We have designed three series of compounds and explored their properties.1 Two asymmetry derivatives from pyridinium and their complexes have been synthesized and characterized.

合成了两种不对称吡啶衍生物，将它们和硫氰酸盐组装成了三种配合物，得到了三个配合物单品，并分别用红外、核磁、电喷雾、单晶解析现代化学手段进行了表征，研究了它们的固体荧光性质。

The invention is characterized in that absorbing agent is a multivariate compound salt which is formed by lithium nitrate, sodium thiocyanate and lithium rhodanate.

多元复合盐/氨溶液吸收制冷剂，它包括吸收剂和制冷剂，所述制冷剂为氨，其特征在于所述吸收剂为硝酸锂、硫氰酸钠和硫氰酸锂组成的多元复合盐。

Adhesive has environmentally-friendly products are mainly urea-formaldehyde resin, melamine urea-formaldehyde resin and modified phenolic resin; concrete water reducer products are mainly water-reducing agent has Sulphamate, polycarboxylate water reducer and superplasticizer melamine.

胶粘剂产品主要有环保型脲醛树脂、三聚氰胺改性脲醛树脂和酚醛树脂；混凝土减水剂产品主要有氨基磺酸盐减水剂、聚羧酸减水剂和三聚氰胺减水剂。

The adsorption behaviour of chemically different superplasticizers, such as melamine formaldehyde sulphite polycondensate,β-naphthalene sulfonate formaldehyde polycondensate and polycarboxylate, on early hydrating cement phases was studied. For this purpose, pure ettringite AF(subscript t, monosulfate AF(subscript m and syngenite were prepared. The adsorbed amount and zeta potential of early hydration products were measured.

制备了钙矾石AF(下标 t、单硫型硫铝酸钙AF(下标 m和钾长石类单矿物，并研究了三聚氰胺磺酸盐甲醛缩聚物、β-萘磺酸盐甲醛缩合物及聚发酸盐等几种化学成分不同的超塑化剂在其早期水化颗粒表面上的吸附行为。

Chemical elements and their compounds, excluding the hydrocarbons and their derivatives (except carbides, carbonates, cyanides, cyanates and carbon disulfide).

不含除碳化物，碳酸盐，氰化物，氰酸盐及二硫化碳外的烃基及烃基衍生物的化学元素及其化合物。

At 1 Wk after noise exposure, the organ of Corti was stained with a fluorescent isothiocyanate-conjugated phalloidin probe and a TUNEL kit.

在暴露的1周后，柯替氏器行荧光的异硫氰酸盐共轭毒伞素和TUNEL试剂染色。

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。