查询词典 chromium

Zinc-chromium abiocoat in the first coat will solidify in the oven that is in 320℃. It can be tightly integrated with the material, uneasily to be desquamated.

第一层涂层为锌铬无机涂层，在320摄氏度以上的烘箱内烧结固化，与基材紧密结合，附着力强，不会剥落。

The wear surface morphologies showed that the mechanism of the 45 steel was micro-cutting and plastic deformations, and the mechanism of high chromium cast iron was micro-cutting of matrix structure and desquamating of carbide particles under the sand slurry wear condition.

对于象45钢这类较软的材料，在泥沙磨损条件下，材料的磨损机理主要是显微切削和多次塑性变形。对于含有较多高硬度碳化物质点的高铬铸铁类材料，在泥沙磨损条件下，材料的磨损机理主要是基体组织的显微切削和碳化物颗粒的脱落。

For comparison, brief introduction is also given to the widely used technology of electroplated chromium and its recent development.

对于工业上通用的电镀铬技术及其近年来的进展也作了概括介绍。

Study on phases of boronized coating on chromium electroplated carbon steel.

45钢表面镀铬渗硼层的相结构分析。

A one-piece cobalt-chromium alloy cage reduces the risk of kinking in tortuous anatomy.

一片钴铬合金盒能够降低在曲折部位曲折缠绕。

An ultra-high strength, weldable, low alloy steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone when welded, having a tensile strength greater than 830 MPa (120 ksi) and a micro-laminate microstructure comprising austenite film layers and fine-grained martensite/lower bainite laths, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; finish rolling the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar3 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature; stopping the quenching; and either, for a period of time, holding the plate substantially isothermally at the QST or slow-cooling the plate before air cooling, or simply air cooling the plate to ambient temperature.

在基体板以及焊接时的热影响区处的低温韧性优异的超高强度、可焊接、低合金钢具有高于830MPa（120ksi）的抗拉强度，并且具有包含奥氏体薄膜层和细晶粒的马氏体／下贝氏体板条的显微层状组织，所述钢的制备过程为：加热含有铁以及特定重量百分比的添加元素的钢坯，所述添加元素为碳，锰，镍，氮，铜，铬，钼，硅，铌，钒，钛，铝，以及硼中的一些或全部；在奥氏体可发生再结晶的温度范围内，采用一个或多个道次，将所述钢坯轧制成板材；在低于奥氏体再结晶温度但高于Ar 3 转变点的温度下，采用一个或多个道次对所述板材进行终轧；将所述终轧板材淬火至一适当淬火终止温度；停止所述淬火；或者在空冷前在QST点基本等温保持所述板材一段时间，或者对所述板材进行缓慢冷却，或者只是简单地将所述板材空冷至室温。

Marinating experiments have been made on chromium slag of diverse years,by simulating acid rain with different pH values.

对堆放的不同年代铬渣，模拟不同pH的酸雨进行了浸泡实验。

Author considered that the metal Cr resulted from the reduction of Cr〓 in the passivating film, and metal Cr would provide center of nucleation and phase growth for following electrodeposition of amorphous chromium.

认为是金属电极上氧化膜中的Cr〓还原所致，形成的金属Cr为后继的非晶态Cr电沉积提供生长中心。

Also, adding some chromium to steel will slow the rusting process, but will make it more brittle.

同样，在钢里加一些铬能减缓它的生锈过程，但也将使它更脆。

Also, adding some chromium to steel will slow the rusting process, but will make it more brittle.

此外，加入一些铬到钢中将减缓其生锈的过程，但会使其变得更加脆弱。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了