查询词典 alkaline

The experimental results indicate that the addition of NaOH is unfavorable to ammonolysis of α-CDA due to the participation effect of neighboring carboxyl group of α-CDA, which is contrary to the fact that strong alkaline environment is propitious to SN reactions of ordinary chlorinated hydrocarbons.

实验结果表明，与普通氯代烷的亲核取代反应不同，邻位羧基参与效应使得加入NaOH不利于α-CDA的氨解反应动力学和热力学。

Corrosion caused by a reaction of an amphoteric metal with the alkaline products of electrolysis.

由于两性金属与电解碱性物质的反应而引起的腐蚀。

As an amphoteric metal, aluminium reacts both in the acidic and alkaline range, it is therefore important that, when formulating the coating, the pH value is in the 7 - 8 range.

作为一种两性金属，铝反应，无论是在酸性和碱性范围内，因此，这是重要的是，在制定涂料， pH值在7 -8范围内。

The two companies are integrated enterprises specialized in the production of spice, API, leather, building chemical products, and rubber. We have rich production experience, advanced production equipment, considerable technological force to produce products of top class quality. Our production and business concept is "service and credit first". We have invested 25 million RMB yuan in our companies and have totally 108 employees, 25% of whom are medium-level and senior technicians. We produce series products of Purple Mink brand including the spice: Raspberry ketone, Piperonal, Anisaldehyde, 99% isosafrole, 99% safrole; APIs: Diphenylmethanol, 4-Octyloxyphenol, 2,3-Dihydrofuran; leather chemical products: XD Alkaline chromium sulphate, XD Liming agent; building materials: productivity of 15000 tons of naphthalene series high-efficient high-concentration water reducing agent and 8000 tons of environment-friendly aliphatic water reducing agent; rubber chemical products: F101 Composite resin rubber sulfidizer. The annual sales amount is 80 million RMB.

本公司生产产品涉及香料、医药原料、皮革化工、建材化工、橡胶化工综合性化工企业，具有生产经验丰富、生产设备先进、技术力量雄厚、产品质量一流，服务、信誉第一的生产经营理念，资本投入2500万元，公司员工108人，各类中、高级技术人材占总人数的25%，生产的"紫貂"牌系列产品主要有香料类：覆盆子酮、洋茉莉醛、天然大茴香醛、99%异黄樟素、99%黄樟素，医药原料类：二苯甲醇、4-辛氧基苯酚、2，3-二氢呋喃，皮化类：XD碱式硫酸铬、XD浸灰助剂，建材化工类：萘系列高效、高浓减水剂15000吨、绿色环保型脂肪族减水剂8000吨的母体生产力，橡胶化工类：F101复合树脂橡胶硫化剂系列产品。

Thus, the synthesis of anisole by O-methylation of phenol with DMC had been extensively investigated using phase transfer catalysts, organic alkaline catalysts or zeolites catalysts.

相转移催化剂，有机碱类催化剂以及分子筛催化剂是DMC甲基化苯酚合成苯甲醚这一反应的高效催化剂，研究的比较广泛和深入。

By using simple judgment expressions, the Rr value was used for the comparative analyses of the transference numbers of hydrogen ions in the acidic anolyte and hydroxyl ions in the alkaline catholyte in numerous IEF experiments cited from references.

另一方面，对大量文献材料中报道的有关等电聚焦中pH梯度不稳定性的实验，采用MCRB理论衍生得到的判别式Rr进行分析和预测，并与实际的结果相对照。

The cells were round before adherence,and anomalism fusiform,triangle and polygon when adhered,monocaryon,1-3 nucleole by invert phase contrast microscopy observation.Alkaline phosphatase staining and mineralized nodules staining were positive(≥98.06%).The osteoblastic activity was the highest on day 10,which was observed by MTT and morphological method.

倒置相差显微镜形态观察结果显示，未贴壁的细胞呈圆形，贴壁生长的细胞呈不规则梭形、三角形或多角形，单核，有1~3个核仁；碱性磷酸酶和钙化结节染色均呈阳性（阳性率≥98.06%）；MTT法结合形态学观察结果显示，成骨细胞培养至第10d时活性最强。

The volcanic rocks of the Xiong'er Group is also widespread in the Baoji and Lvliang area and also appear as 1.75Ga-old mafic dyke swarms, A-type granites, later anorthosite and rapakivi granites (1.75-1.70Ga), and alkaline granitoids (~1.65Ga). These intrusive rocks are assumed to have genetic link to the volcanic rocks of the Xiong'er Group.

熊耳期岩浆活动在华北陆块广泛分布，除了陕西宝鸡附近及山西吕梁地区的火山岩，还广泛分布1.75Ga前后的基性岩墙群、A-型花岗岩以及比熊耳群稍晚的斜长岩、奥长环斑花岗岩等(1.75-1.70Ga)和碱性花岗岩类(~1.65Ga)。

Of farmland soil, 51 of rotted bark or grasses, and several extreme samples containing alkaline soil from Chenghai Lake, mud from the bottom of ocean, Antarctic soil, and mud or sand from Chinese coasts.

一、溶纤维素粘细菌的分布和分离我们对几种类型的环境样品，包括13个农田土样、51个树皮或草样和若干极端环境——碱性程海湖土样、海底淤泥、南极土样和沿海泥沙样中的溶纤维素粘细菌进行了分布研究和菌株分离。

In the research, the results of surface energy and alkaline antifouling agents release proved that there was excellent antifouling property in the coating.

本试验中涂膜表面能的测算结果和防污剂的释放情况表明该种防污涂料具有防污效果。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。