查询词典 sulphate

The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20～1000重量百分比计20～100％的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型；再经过0.1～3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1～8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20～90℃下处理1～8小时；然后在温度为400～700℃条件下水蒸汽处理2～15小时；再用0.1～3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20～90℃条件下浸渍2～5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题，可用于甲醇转化制丙烯的工业生产中。

Methods:48 male SD rats,weighting 250-300 g,were divided into 4 groups,each group had 12 rats,they are normal control group,ischemic/reperfusion group,ischemic preconditioning group(Ⅲ group,Murry method) and adnine sulphate preconditioning group.

实验采用体重为250-300 g雄性SD大鼠48只，分4组，每组12只，即正常对照组；缺血再灌组；经典缺血预处理组；硫酸腺嘌呤预处理组。

In this paper, production process of copper sulphate and crude nickle from waste electrolyte.

介绍了废电解液除杂制取硫酸铜和粗镍的主要工艺条件及试验结果。

A new method was studied for the determination of Nickel in Lead ingot in nitre acid after the main part were separated by Lead Sulphate.

方法操作简单，精密度、准确度均可满足分析要求，适用于铅锭中0 0001%～0 005%镍量的测定。

Ammonium sulphate is an important nitrogenous fertilizer for agriculture.

硫酸铵是一种重要的氮肥。

Barium sulphate is a fine, heavy, white, odourless powder that can be formed into a suspension in the form of a watery paste.

硫酸钡是一个很好的，沉重的，白色，无臭粉末，可以形成一个暂停，在形式的水贴。

ObjectiveTo recognize the method of adulterating and preparation process of Pangolin adulterated with sulphate magnesium.

目的熟悉掺硫酸镁穿山甲的掺假方法与制备过程。

Inorganic matter: sodium perborate, potassium sulphate, magnesium sulfate, sodium sulfate, potassium nitrate, calcined soda, salt, sodium chlorate.

无机物：过硼酸钠、硫酸钾、硫酸镁、硫酸钠、硝酸钾、纯碱、精盐、氯酸钠、元明粉。

We are the only manufacturer of Piperonal through rauvite natrium oxidizing production low, and its annual output is 120 tons. We are also the only manufacturer of Raspberry ketone through phenol production line, and its annual output is 200 tons. The curatorial intermediate, F101 Composite resin rubber sulfidizer, and high molecular materials are new and high-tech products first developed in China with the quality reaching international level. The leather chemical product-basic chromium sulphate has won the Scientific and Technological Reward of Suzhou City, and has been taken as reference for The Ministry of Science and Technology of The PRC formulating standard.

年销售8000万元，其中香料产品洋茉莉醛用红矾钠氧化法生产线，目前国内独此一家，年产量达120吨；覆盆子酮用苯酚路线生产的产量达200吨国内独此一家；医药中间体，橡胶类F101复合树脂硫化剂，高分子材料类属高新技术产品，国内首创，质量达到国际水平；皮革化工"碱式硫酸铬"等获得苏州市科技成果奖，并参与国家技术部制定标准。

We can supply a large number of phosphorus trichloride for exporting. Do as your special requests with the content of Arsenic, Fe, Plumbum, Sulphate and other materials.

我公司可大批量生产供应，用于出口的对砷，铁，铅，硫酸盐等不同含量的三氯化磷。

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％。