汞

NO.2refied stibium attained three times the reptation title of high quality product of Hunan province and the Mininstry of Metallurgital Industry,P.R.

出厂产品质量都优于中华人民共和国国家标准，特别是含硒、汞量等极低，锑锭连续四次获省、部优。

A varnish used for coverlay was prepared with special epoxy resin, carboxyl-terminated acrlonitrilebutadiene rubber and phosphorated flame retardant. To conform to the requirements of RoHS, the halogen-free flame-retarded coverlay does not contain Stibium, lead, mercury, cadmium and chromium Ⅵ.

摘 要：采用端羧基丁腈橡胶增韧改性特种环氧树脂体系，配合使用添加型磷系阻燃剂得到覆盖膜用胶液，以此制备的SF305C无卤阻燃型覆盖膜不含锑和铅、汞、镉、六价铬等有害重金属，满足欧盟RoHS指令要求。

METHODS: The influence of amalgams of different preparations and amount on streptococci mutans freshly isolated from child's mouth were compared.

用体外试管法比较了不同配方和不同重量的银汞合金对儿童口腔新分离的变链菌株生长的影响。

RESULTS: Each group of amalgams showed some inhibitory effects on the growth of streptococci mutans. The difference was significant in comparing to the control.

结果：各银汞合金组对变链菌的生长均有一定的抑制作用，与对照组相比，差异均有显著性。

The inhibitors substituting mercury have been studied so as to solve this problem in this dissertation.

为了解决此问题，本论文开展了代汞缓蚀剂的研究工作。

Also we built a production line of Sulfuric acid, which has capacity of 100 thousands tons per annum.

目前公司的无汞电解二氧化锰生产能力为30000吨/年，无硒高纯电解金属锰生产能力为8000吨/年。

It is recommended that you dont eat swordfish or consume large amounts of tuna as these can be contaminated with mercury.

我们建议您不要吃吨箭鱼或消耗大量的金枪鱼，因为这些可与汞的污染。

But mercury levels are high in marine fish, too—particularly in larger species, such as shark, tuna and swordfish.

但是，海洋鱼类中的汞含量也很高——尤其在体型较大的鱼类体内，如鲨鱼，金枪鱼和箭鱼。

You should also avoid eating shark, swordfish and marlin during pregnancy, as these fish can contain high levels of mercury.

妳也应该避免在怀孕期间吃鲨鱼、箭鱼、和马林鱼，因为这些鱼类都含有很高的汞金属。

But mercury levels arehigh in marine fish, too—particularly in larger species, such as shark, tuna and swordfish.

但海洋鱼类中的汞含量也很高——尤其在体型较大的鱼类体内，如鲨鱼，金枪鱼和箭鱼。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。