金属物质

Silver ink chemistry performance relatively stable, but not acidproof of silver, easy reactions with acid, which causes the imprinting of metal luster, Business card printing and membership card should be used in the process of making neutral auxiliary materials for inking should pay special attention to this point.

银墨化学性能比较稳定，但银墨不耐酸，容易跟酸性物质发生化学反应，从而使印迹的金属光泽性下降，因此，制卡和会员卡制作过程中应采用中性辅助料进行调墨，这一点应当特别注意。

Corrosion caused by a reaction of an amphoteric metal with the alkaline products of electrolysis.

由于两性金属与电解碱性物质的反应而引起的腐蚀。

However, determination of an angle of refraction for a ray passing through a boundary between transparent and stronglyoptically-absorbing media is still quite difficult.

这一定律被广泛应用于透明物质，但应用在金属吸收介质(即光线通过吸收介质/介质边界)时的情况，至今仍是一个未被很好解决的难题。

In this dissertation the functional design and the molecular recognition of anthracene fluorescent receptors were studied deeply according to the trend in this field.

本论文结合蒽荧光受体的研究现状及其发展趋势，在该类物质的功能性分子设计、金属离子识别方面进行了进一步的研究。

Matrix metalloproteinase 9 (MMP9) is one of the representative substances that can degrade basement membrane and extracellular matrix.

基质金属蛋白酶9(matrix metalloproteinase 9，MMP9)是降解细胞基底膜，包括细胞外基质的代表性物质。

Polarizing microscope is widely used for these birefraction matters examination, research and discrimination. For example mineral, crystal, chinaware, metal, medicament etc.

偏光显微镜广泛应用于矿物，晶体，陶瓷，金属，药物，生物组织和植物纤维等各种具又双折射性偏光物质的观察，研究和鉴别。

A porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead .

灰皿一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来

"Cupel:a porous cup, often made of bone ash, used in assay ing to separate precious metals from base elements such as lead."

"灰皿：一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来。"

" Cup el:a porous cup , often made of bone ash, used in assaying to separate precious metals from base elements such as lead."

"灰皿：一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来。"

"Cupel:a porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead."

"灰皿：一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来。"

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。