CAS:86404-04-8

相关推荐

• 英语翻译If you will need a Tier 4 General Student visa to study in the UK ,then you will be required to include a Confirmation of Acceptance for Studies CAS with your visa application.The purpose of this screen is to allow you to request a CAS.Please note that you should only make this request if you are certain that you will be applying for a Tier 4 General Student visa to study at York.If you do not require a visa or you will be studying with a differen
• It is such a big stone —— no one can lift up Athat Bwith Cas D不填
• CaS化学符号是什么意思
• cas() ier填字母组成一个单词
• 8.She looked _________ she were ten years younger.A that B like Cas Das though 选什么
• “CaS”在化学中是什么物质
• 30分,a computer is so useful a machine ( ) we can use everywhere .Athat Bwhich Cas Dwhat我知答案,但为?它说有so useful修饰就不用A、B呢.
• 危险品的划分如何判断一种化工液体是否为危险品.比如:二甲基亚砜产品名称 二甲基亚砜 分子式 C2H6OS 分子量 78.12 CAS 登录号 67-68-5 EINECS 登录号 200-664-3 FEMA 登录号 3875密度 1.1 熔点 18.4-19.0°C 沸点 189°C 折射率 1.477-1.48 闪点 95°C
• 盖斯定律 方程式的加减 4Ca3(PO4)2F(s)+3SiO2(s)=6Cas3(PO4)2(s)+2CaSio3(s)+SiF4(g) ；△H12Ca3(PO4)2(s)+10C(s)=P4(g)+6CaO(s)+10CO(g)；△H2SiO2(s)+CaO(s)=CaSiO3(s) ；△H3用△H1、△H2和△H3表示 H,H= △H1-3△H2+18△H3 为什么不是△H1+3△H2+18△H3?4Ca5(PO4)3F(s)+21SiO2(s)+30C(s)=3P4(g)+20CaSiO3(s)+30CO(g)+SiF4(g) ；△H
• 英语翻译16 avril 2009,je n'oublierai jamais!Si pas bu le jour où j'ai pris sa .l'accident ne serait pas arrivé si l'accident n'a pas été le cas,nous sommes rs de rentrer à la maison pendant la nuit je pourrais lui dire:"I love her" si elle a accepté ...Si ...Si il ya tant de si?Si .je ferai Jane Je suis désolé de vous
• 连词成句.1.children,today,the,not,do,school,have(.) 2.tomorrow,class,have,we,ouing,a(.)
• 已知A=a+2,B=a^2-a+5,c=a^2+5a-19,其中a>2 (1)比较A与B的大小 (2)比较A与C的大小