铬

Cr15Mo3 is chromium wear-resistant white cast iron, heat treatment of the microstructure of martensite matrix of chromium carbide + Paralympic +, macro-hardness of HRC 60 or more wear resistance than Ni-Hard Cast Iron It is a very good wear-resistant material that can be produced coal mill, ore crusher, cement mill, shot blasting machines, mud pump, slurry pumps and other wear and tear serious casting.

Cr15Mo3 是铬系耐磨白口铸铁，热处理后的金相组织为马氏体基体+铬的碳化物+残奥，宏观硬度HRC在60以上，耐磨性能优于镍硬铸铁，是非常好的耐磨材料，可制作磨煤机、矿石破碎机、水泥磨机、抛丸机、泥浆泵、渣浆泵等磨损严重的铸件。

The composition, heat treatment process, structure and properties of a low-chromium cast iron ball which is suitable for large scale ball mill of copper ore processing were studied.

探索了适应于铜矿大型球磨机的低铬铸铁磨球成分、热处理工艺及组织性能，获得了一种贝氏体+马氏体组织的低铬铸铁及其强韧性处理的工艺。

The volumetric method is also used in the measurement of the base metal and the principal elements in the high Cr cast iron and the electrooptical spectrographic method for determination of multi elements in the high Cr cast iron is established by choice of certain basic elements as the internal standard,by correction of the base spectral line and the interfered spectral line and induced correction and blank correction of the material as well as by drawing up the correction curves.

采用容量法测定高铬铸铁中基体及主要元素的含量，通过选用基体元素作内标，对谱线进行基体和干扰校正以及材质的诱导校正和空白校正，绘制校正曲线，建立了光电光谱法测定高铬铸铁中多种元素的方法。

The results show that chromium and zirconium can react with O2 and N2 from protective atmosphere; the zirconia and magnesia have a good stability for Cr and Zr, therefore, they can be used as crucible and furnace lining materials for Cu-Cr-Zr alloy melting.

结果表明，在熔炼温度下，炉气中微量氧气和氮气都能与合金组元中的铬和锆发生化学反应而使其烧损；金属氧化物ZrO2和MgO等对于铬和锆具有良好的化学稳定性，可以作为熔炼Cu-Cr-Zr系合金的坩埚和炉衬材料。

Business: metal processing machinery manufacturing, mold | fixture | Instruments accessories processing | repair and sales of major products: flat-panel inquiry scraping, grinding plate, testing platform, crossed platform, the assembly platform , Maohan platform, surveying platforms, the basic platform, testing platform, welding platform, San Zuobiao platform, combined platform, T-slot splicing platform, parallel-foot, the bridge-foot, rectangular-foot, point-foot , Cubic feet, to me, V-Rail, the partial-place check, the new partial-place, micrometer, school-axis, flatness Qiaoban adjustable, adjustable level of regulation, crossed disk, magnetic to me, magnetic V-type planes, V-shaped pieces of steel planes, machine damping Sizing Block, adjustable Sizing Block, ladder Sizing Block, Pad, chrome-plated jack, the southbound span Jack, Park-testing wand, Park-Jiaochi, table with chrome Park Jiao Chi-chu, Her taper gauge, Her taper shank test rods, 7:24 taper shank test rods, proof-reading Cypriot ring for smooth, sinusoidal regulation, the board cards, aluminum model of the arc, the arc of mold Model-foot aluminum, magnesium-alloy-foot primers, Dummy Bar, granite slab, granite-foot, granite cubic feet, granite, me, V-shaped granite blocks, wrenches Plum, knock - Wrenches, stay wrenches, single wrenches, bending handle wrench, straight handle wrench, convex-wrench, pry bar wrenches, sockets and heavy anti-explosive tool product line.

经营范围：金属加工机械的制造，模具|夹具|仪器仪表配件的加工|修理及销售主要产品有：刮研平板，研磨平板，检验平台，划线平台，装配平台，铆焊平台，测量平台，基础平台，试验平台，焊接平台，三座标平台，组合平台，T型槽拼接平台，平行平尺，桥型平尺，直角平尺，角度平尺，方尺，方箱，V型铁，偏摆检查仪，新型偏摆仪，测微仪，校轴器，平直度可调桥板，可调高低规，划线盘，磁力方箱，磁力V型架，钢件V型架，机床减震垫铁，可调垫铁，阶梯垫铁，垫块，镀铬千斤顶，涮漆千斤顶，园柱检验棒，园柱角尺，带表镀铬园柱角尺，莫氏锥度量规，莫氏锥柄检验棒，7：24锥柄检验棒，校对光滑专用塞环规，正弦规，卡板，铝合金对弧样板，结晶器对弧样板，铝合金平尺，镁铝合金平尺引，引锭杆，花岗石平板，花岗石平尺，花岗石方尺，花岗石方箱，花岗石V型块，梅花扳手，敲击扳手，呆扳手，单头扳手，弯柄扳手，直柄扳手，凸型扳手，撬棒扳手，重型套筒及防爆工具系列产品。

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.

1前言铝合金电镀硬铬，是利用强碱性的锌酸盐溶液在置换锌层上直接镀铬，其工艺成熟，操作简便、易行。

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。

Objective To study the relationship between the expression of Neuropeptide Y and vasocative intestinal peptide in adrenals and adrenal Pheochromocytoma.

【目的 探讨神经肽Y (Neuropeptide Y， NPY)和血管活性肠肽( vasocative intestinal peptide， VIP)在肾上腺嗜铬细胞瘤组织中的表达与肾上腺嗜铬细胞瘤的关系。

However, chromates have caused increasingly environmental concern. The need to find low toxicity alternatives to hexavalent chromium-based passivation treatment is of prime importance. Molybdate passivation can be used to replace chromate in a wide range of applications.

但由于铬酸盐钝化对环境的污染，寻找一种低毒的代替铬酸盐钝化的处理工艺是十分必要的，钼酸盐钝化是最有前途的一种。

It was found that organic/inorganic compound chromate-free agent has better composite performance,parameters of roll coaters are very important for thickness and surface quality of the film,and reasonable drying and cooling equipments and process are something to guarantee the quality of final products through comparison and analysis between traditional and new hot dip galvanizing proce...

对比分析传统与新型的热镀锌后处理工艺得知，有机/无机复合型无铬钝化药剂具有较好的综合性能，辊涂机工艺参数对膜厚及表面质量的控制尤为重要，合理的烘干及冷却设备及工艺，是保证最终产品性能的关键。采用新型的辊涂、热风烘干生产工艺，设备投资低，产品质量稳定，生产出性能优良的热镀锌无铬钝化钢板，得到了用户的认可并进行了批量生产。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。