查询词典 potassium acid oxalate

Metal corrosion in sulfuric aeid edw point is a common and very serious harm go the corrosion forms, in a wide range of production in all aspects of life, especially in some specific process unit operation equipment middle.low-temperature corronsion dew point in the general industrial rurnace, boiler, fuel saving edvices, air preheater, heat exchangers, tower refrigeration systems, dust, garbage incineration furnace, sintering furnace flue and chimney acid plant and the wind tunnels of hypothermia sife, yes containing gurnace flue and chimney acid plant and wind tunnels of hypothermia site, yes containing acidic gases produced by the condensation of cold treatment from the local cold drinks along with the liquid in the device, lesding to a very serious material corrosion.

该下载资料由本站会员上传，如果侵犯了您的权力，请通知我们，将立即删除！摘要金属材料的硫酸露点腐蚀是一种常见的，危害十分严重的腐蚀形式，广泛的发生在生产生活的各个方面，尤其发生在一些特定的过程单元操作设备中间。低温露点腐蚀一般发生在在工业加热炉、锅炉、燃料节省器、空气预热器、热交换器、塔顶冷凝系统、除尘器、垃圾焚烧炉、烧结炉、烟道，烟囱及酸厂的引风管道等的低温部位，是含酸性的气体经由该产遇冷冷凝下来的冷饮液局部地随着于设备上，从而造成对材料极严重的腐蚀。

Optimal pretreatment conditions of electroless nickel plating for magnesium were decided by many experiments. Phosphoric acid technology was used to instead of acid processing by chromium trioxide and ferric chloride, and excellent coating was obtained by using dipped zinc, cyanide copper, nickel as medium.

通过多次试验确定了镁及镁合金的前处理方案，以磷酸洗的方法代替传统的铬酐加三氯化铁酸洗浸蚀的前处理工艺，配置简单，操作方便，以浸锌层、氰化铜层和中性镍层作为化学镀中间层，得到了结合力良好的化学镀镍层，获得了镁合金表面处理的新突破。

Chemical raw materials: include a variety of plating materials and metal surface treatment agent: sodium such as tin, stannous chloride, pyrophosphate Asian tin, copper sulfate, nickel acetate, copper acetate, nickel fluoride, cobalt sulphate, acetic acid cobalt, hydrofluoric acid, anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of Prince agents, rust removal agent, the American Iron and Steel room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color..

二。化工原料：包括各种电镀原料及金属表面处理剂：如锡酸钠、氯化亚锡、焦磷酸亚锡、硫酸铜、醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊剂、除油除锈剂、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

In order to solve the problem of the comprehensive utilization of acid tar,the acid tar is blended in coal for coke making in Meishan Iron and Steel Group Corporation.

为解决酸焦油的处理的问题，梅钢通过配煤炼焦试验，考察酸焦油配煤对配煤质量的影响和焦炭质量的影响，试验结果显示酸焦油配比为0。

In order to solve the problem of the comprehensive utilization of acid tar,the acid tar is blended in coal for coke making in Meishan Iron and Steel Group Corporation.

为解决酸焦油的处理的问题，梅钢通过配煤炼焦试验，考察酸焦油配煤对配煤质量的影响和焦炭质量的影响，试验结果显示酸焦油配比为0.5%时，焦炭质量有所提高。

At the beginning of cold-storage, sugar-acid ratio descended a little, but in a later period 0.3kGy irradiation made sugar-acid ratio decreased slowly.

在贮藏初期糖酸比下降，而在后期0.3kGy剂量的辐照使糖酸比下降平缓。

It is difficult to select the lactic acid high-producing strain by observing the color change zone because of spreading grow along the solid medium of Rhizopus oryzae. A serious of methods for selection and breeding of L-lactic acid high-producing mutant were developed.

米根霉在固体平板上生成的乳酸会使培养基中加入的pH指示剂变色，在菌落周围呈现出变色圈，但由于丝状真菌米根霉在固体培养基表面蔓延生长的特性，使得无法得到单菌落，进而无法通过观察变色圈与菌落直径之比来比较出各菌株产酸能力的高低。

Comb-shaped polycarboxylic -type superplasticizers were synthesized with acrylic acid,mathacrylic acid,sodium allylsulphonateand methoxypolymethacrylatethrough aqueous copolymerization initiated by ammonium persulfate.

将甲氧基聚氧乙烯醚单甲基丙烯酸酯、丙烯酸、甲基丙烯酸和烯丙基磺酸钠进行水溶液共聚，合成了具有梳型结构的聚羧酸系高效减水剂。

Results: Before convex-concave barstone powder or smecta′s addition, trihydrocholic acid and total cholic acid in gastric juice were (105.71±43.35)μg/ml and (271.50±77.50)μmol/L respectively.

凹凸棒石粉对胆酸有较强的吸附作用，与双八面体蒙脱石无显著差异，有良好的临床应用前景。

Methods: Convex-concave barstone powder or smecta was added to the gastric juice from patients with bile regurgitation, total cholic acid and trihydrocholic acid were detected.

以凹凸棒石粉或双八面体蒙脱石吸附胆汁反流症患者胃液，检测并比较吸附前后胃液总胆酸和三羟胆酸含量，同时比较凹凸棒石粉剂和双八面体蒙脱石对胆酸的吸附能力。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"