查询词典 chromium-chlorite

A process of alkaline hard chromium plating on aluminum alloy was presented, including oil removal, dipping in heavy metal solution, acid pickling, dipping in zinc solution, hard chromium plating.

提出了一种铝合金碱性直接镀硬铬工艺，包括除油、重金属、侵蚀、锌、硬铬。

The resistance to Cr and regeneration character of biological iron sulfide composites were studied. The composites consisted of sulfate reducing bacteria and nanosized iron sulfide produced by SRB. A new reduction-regeneration recirculation process for treating chromium-containing wastewater and reclaiming chromium was developed with the regeneration character of the composites.

研究了由硫酸盐还原菌与其原位生成的纳米硫铁化合物组成的生物硫铁复合材料的耐铬性能和再生性能，并利用其再生特性，设计了处理高浓度含铬废水及铬资源化的还原－再生循环处理工艺。

Through the research of the hereditary mechanism of needle-like carbide, it was found that the same structures were also found in the low chromium cast iron when there was needle-like carbide in the primary material. In particular, the hereditary effect of needle-like carbide in low chromium cast iron were most obvious when primary material was the complete chill pig iron or the returns.

通过对不同原材料中针状碳化物对低铬白口铸铁的遗传效应的研究，发现原材料中存在针状碳化物者，其获得的试样中也存在同样的组织，其中以全白口生铁和废机铁为主要原材料生产的低铬白口铸铁试样中针状碳化物遗传现象最为明显。

In the case of decorative zinc electroplatings, a further enhancement of the appearance of such substrates in addition to the corrosion resistance imparted is achieved by the passivate film which ranges from a clear bright to a light blue bright appearance simulating that of a chromium deposit or alternatively, a clear light-yellow appearance simulating that obtained by use of prior art hexavalent chromium solutions.

可选择的治疗方法，可进一步遏制卤化物包括氟离子、氯化物和溴化物离子进一步增加了硬度钝化膜以及一个或多个兼容为实现高效润湿剂接触基板对待。现在的发明特别地可适用但是不限制在碱而产生酸非氰化物的锌的治疗使电解沉积传授对被对待的基体改良的腐蚀抵抗和装饰的外表。

The structures and the properties of nicotinate chromium and tripicolinate chromium are also characterized by means of molar conductance, infrared spectra, ultraviolet visible absorption spectra, thermal analysis.

通过电导率、红外光谱、紫外可见光谱和热分析对制备的有机铬的组成、结构和性质进行了表征、分析和对比，充分论证了利用镀铬废水制备有机铬饲料添加剂—吡啶酸铬的可行性，为镀铬废水的资源化开辟了新的途径。

Mainly engaged in plastic plating technology research, development, production and processing, the company's main products are copper, bronze plating, nickel, nickel-plated black, and the plating of trivalent chromium 6 Trivalent chromium, and so on.

永翔五金塑胶有限公司主要从事塑胶电镀技术的研究、开发、生产及加工，目前公司主要产品有镀铜、镀古铜、镀镍、镀黑镍、镀三价铬及六价铬等。

Meanwhile, it is also illustrates that the smaller chromium carbides have less restriction to formimg thin splats than larger ones, which beneficial to limit the size of pieces removed by impact of the sand particles, and the higher volume fraction of small chromium carbide may effect the erosion through enhancing interlamellar bonding of the splats which leads to increase the erosion resistance of the coating.

揭示了细小碳化物颗粒有利于获得扁平粒子厚度较小的涂层结构，可减小涂层冲蚀磨损过程中每次剥落的体积；较高含量的细小碳化物颗粒有利于提高涂层扁平粒子间的结合，从而提高涂层抗冲蚀磨损性吉臣。

It is plated with a thin layer (10-15 microns) of oxidated chromium, which proves that the weapon was oxidated with chromium when it was made.

镀铬技术是在本世纪30年代由德国人发明的，而我国在2000多年前就开始在兵器上镀铬，实在令人叹服。

An evaluation on adsorption removal of chromium, arsenic, and copper from wood preservative CCA by hydrous ferric oxides, associated with effects of humic acid, was studied in this paper. Results showed that removal percentage of single chromium and arsenic by HFO increased with pH of solutions, while that of single copper by HFO decreased.

以木材防腐剂CCA中的重金属离子铬、砷、铜为研究对象，讨论了3种重金属离子在水合铁氧化物上的相互作用机理，评价了该铁氧化物对3种重金属离子的吸附去除效果，并探讨了腐殖酸对铁氧化物去除3种重金属离子的影响。

The Company QG chromium carbide hardfacing composite plate, using welding or brazing with metals produced by automatic arc welding alloy powder to add new process methods, the formation of hypereutectic high chromium multi-element alloys superhard wear-resistant layer, can significantly improve easy to wear pieces of equipment and steel production life.

本公司QG碳化铬耐磨堆焊复合钢板，采用焊丝或焊带产生的金属电弧添加粉末合金自动堆焊新工艺方法，形成过共晶高铬多元素合金系超硬耐磨层，可大幅提高易磨损设备及钢板制作件的使用寿命。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。