查询词典 alkaline

Alkaline soils can be neutralized by adding Green Earth Peat Moss, or small amounts of C-I-L Aluminium Sulphate.

碱性土壤中，可以抵消加入绿色地球泥炭藓，或少量的印度煤炭公司的硫酸铝。

The high purity of 2-mercapto-β-naphthothiazole was obtained with α-naphthylamine as raw material via reaction of seal glass tube, alkaline extraction, vapor distillation, acidification of acetic acid and ethanol recrystallization.

以α-萘胺为起始原料，通过封管反应、碱提取、水蒸气蒸馏、乙酸酸化和乙醇重结晶，取得了纯度较高的2-巯基－β-萘并噻唑。

As a representative alkaline aggregate, nepheline was selected and the effect of it on the expansion of alkali-silica reaction was studied.

以霞石正长岩为代表，研究了含碱集料对碱-硅酸反应膨胀的影响。

Most importantly, with analyzing the calcined cinder by X-ray powder diffraction and scanning electron microscope, it was clear that at an appropriate calcination temperature, the activated SiO2 and Al2O3 in alkaline coal-cinder would react with the decomposed fused Na2CO3 to form a new neutral matter nepheline（NaAlSiO4）and other amorphous silicate compounds,causing an obvious reduction of the alkali content in coal-cinder.

采用X射线粉晶衍射及扫描电镜对煅烧后的灰渣进行表征，揭示了含碱灰渣煅烧脱碱过程的实质，即在适宜煅烧温度下，含碱灰渣中被活化的主要矿物质SiO2、Al2O3和熔融并分解的Na2CO3（分解为修饰网络氧化物Na2O）等发生化学反应转变为中性物质霞石（NaAlSiO4）及其他无定形复合硅酸盐，从而降低了灰渣中的碱含量。

The results of the experiments show that substituted aryl ethers that containing nitro group (-NO2) are easy to take place nucleophilic substitution in the alkaline medium and then aryl etherbond is cleaved.

实验结果表明，含-NO_2的取代芳基醚，在碱性溶液中，易发生亲核取代反应，从而使芳醚键断裂。

The alkaline thermal pretreatment deinking of nonimpact printed wastepaper was studied in this paper, it was evaluated by determining the brightness, dirt and deinkability factor of the deinked pulp.

摘 要：介绍了非接触印刷废纸的概况及其在二次纤维回收利用中的地位，研究了非接触印刷废纸的碱法热预处理脱墨工艺，通过测定脱墨浆的白度、尘埃度及可脱墨因子，对其进行了综合评价。

Alkaline nuclease gene and its flanking region of Bombyx mori nucleopolyhedrovirus strain Suzhou was cloned, sequenced, and analyzed.

基于为杆状病毒分类提供新的依据，克隆了家蚕核型多角体病毒苏州株碱性核酸酶基因及其侧翼区，并进行序列和进化分析。

The electrochemical oxidation of coal and oil shale slurry in both acidic and alkaline medium was researched and analyzed in this paper.

本课题对煤和油页岩浆液在酸性和碱性介质中的电化学氧化进行了实验研究和理论分析。

Now at this point kind the train of thought solving a problem of the problem makes an analyse. 1 catching corporeal impact to counteract reaction opportunely is the reaction that shows acid and alkaline reaction generate salt and water.

现就此类题的解题思路作一例析。1巧抓物质关系中和反应是指酸和碱反应生成盐和水的反应。

The influence of battery formula and technology parameter on the safety performance of mercury-free alkaline Zn/MnO2 button cell was explored. Short circuit test and overdischarge test were used to study the safety performance of battery produced with varied formula and technology parameter. The factors affecting the safety performance of battery were studied. The optimal technology parameters are confirmed as follows: capacity ratio of anode to cathode is 0.91, KOH electrolyte content is 43%, content of Zn22- dissolved in KOH electrolyte is 7%, content of ZnO added in zinc gel is 0.8%1.0%, content of electrolyte added in zinc gel is 40%42%, content of binder added in zinc gel is 1% and the mass ratio of polyacrylate sodium to polyacrylic acid is 64, content of inhibitor added in zinc gel is 0.01%.

摘 要：探讨电池配方和工艺参数对无汞扣式碱锰电池安全性能的影响，采用短路测试和过放电测试的方法研究各种工艺配方下电池的安全性能，通过实验研究了影响电池安全性能的各种因素，并确定最佳的工艺参数分别如下：负极与正极容量配比为0.91，KOH电解液浓度为43%，电解液中氧化锌的含量为7%，锌膏中的氧化锌用量为0.8%~1.0%，锌膏中电解液用量为锌粉量的40%~42%，锌膏中增稠剂用量为锌粉量的1%且其中聚丙烯酸钠与聚丙烯酸的质量比为64，锌膏中缓蚀剂用量为锌粉量的0.01%。

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。