The development history of trivalent chromium passivation for zinc plating was overviewed.

What about the chromium compound?

铬化物 呢 ?

Content of chromium is lower, pollution to the environment is reduced.

钝化液中铬酐含量较低, 减少了对环境的污染.

Immediate quenching and tempering process of steel T 10 after low temperature salt bath chromizing was studied.

研究了T10钢在低温盐浴渗铬后直接淬火并回火工艺.

Influence of rare earth on low temperature salt-bath chromizing on 45 steel was studied.

研究了稀土对45钢低温盐浴渗铬的影响.

Microscopic examination of a cell's chromo-somes can reveal the sex of the fetus.

利用显微镜检查细胞染色体可以发现胎儿的性别。

With silk it contests the chromo for smoothness.

它的平滑可以与丝绸相媲美.

For traditional chromo-thermometer, the operation wavelength is determined by interferential filter.

传统的比色测温仪由干涉滤光片来限定工作波长,适应性不强, 稳定性不够.

Rhodium in rhodium plating bath was determined by spectrophotometry with sodium hypochlorite as chromogenic agent.

用次氯酸钠作显色剂光度测定镀铑溶液中的铑.

Chromogenic black-and-white photographic film is a new emergent type of black-and-white film.

黑白 染料胶片是继彩色胶片之后发展起来的一种新型黑白胶片品种.

The chromogenic reaction between HSCT and silver was studied.

研究了氯磺酚偶氮硫代若丹宁(HSCT)与银的显色反应.

Objective To evaluate the diagnosis , treatment and prognosis of renal chromophobe cell carcinoma ( RCCC ).

目的提高肾嫌色细胞癌的诊治水平.

On the right a chromophobe carcinoma, and on the left, a multilocular cystic renal cell carcinoma.

右边的是嫌色细胞癌, 左边的是多房囊性肾细胞癌.

Results: The protein and the chromophore of lidamycin interacted through molecular electrostatic potential , Van der Waals force, and π-π interaction.

结果: 蛋白质通过静电引力和范德华力以及π电子同发色团相互作用.

Objective To study the in vivo antitumor activity of the enediyne chromophore ( LDC ) of lidamycin.

目的研究力达霉素发色团对 肝癌 的实验治疗.

The mechanism was that enzyme system destroyed the chromophore of dyes.

酶体系是通过破坏染料的发色体而达到去除浮色的目的.

This chromoprotein has also been endowed with enzymatic properties.

这种色素蛋白也具有酶的特性.

In mammalian species, a variety of chromosomal rearrangements are known to exist.

在哺乳类的物种中, 已知有许多类型的染色体内部重新排列.

Plasmids are exta-chromosomal doublestranded, circular DNA molecules found in prokaryotic and eukaryotic cells.

质粒是在原核和真核细胞中发现的染色体外的双链环状DNA分子.

Telomeres are a special structure of chromosomal ends of somatic cells.

端粒是真核细胞染色体末端的特殊结构.

There have been recent advances in methods aimed at mapping chromosomal regions.

针对染色体测序领域的方法有了一些新的进展.