查询词典 purity

We have developed a simple technique for preparing low-current evaporation source of transition metal that can produce high-purity atomic beams with good lifetimes.

设计了一种超高真空使用的低电流过渡金属蒸发源，它能产生高纯金属原子束，且具有一定的寿命。

Alloy mixture as of metals; something added that lowers in value or purity; V: mix; make less pure; lower in value or quality; spoil; CF. unalloyed: not in mixture with other maetals; pure; complete; unqualified; Ex. unalloyed happiness

以为，可以牵起你的手，与你斯守一生，距离，却把你我挡在，爱情门外；以为，可以冲破距离，挽住那朝思暮想的爱情，距离却只是把记忆的伤痕，烙进了心里；以为，可以挽住这爱情，留住生命中的你，然而，一切，都只是瞬间。

At 14 days, the cells achieved the highest quantity and purity with significant stereoscopic impression and lucency.

继续培养至14 d可见细胞立体感及折光性最佳，数量和纯度最高。

Anodized high purity aluminum reflective optical systems, lighting and reasonable to ensure that a high luminous flux output.

高纯铝阳极氧化光学反光系统，配光合理，确保光通量的高输出。

Objective To establish the high-cell-density fermenting method of recombinant human lymphotoxin alpha in Escherichia Coli and the annealing and purification methods of objective protein,then optimize the methods and obtain high purity rhLT-α.

目的建立和优化重组人淋巴毒素α工程菌高密度发酵方法以及目的蛋白的复性和纯化方法，得到高纯度的重组人淋巴毒素α。

The test system to molten steel purity, which including macrography, chemical analysis, Smills, photograph, image analysis and SEM test, is constructed by measuring and analyzing the inclusions in different process stage of BOF, TD, slab and sick plate.

对转炉、中间包、连铸坯和中厚板不同工艺阶段的夹杂物进行检测分析，完善形成了包括低倍检验、化学分析、大样电解、金相分析、图象分析仪分析与扫描电镜能谱仪分析等手段的钢水纯净度检测系统。

As a symbol of purity, it became known as the Madonna Lily; to the Chinese people, lily means "Forever in love"; in Greek poetry, the lily stood for tenderness; and for Feng Shui believers, lily is an emblem of summer and abundance.

因为有纯洁之意，人们又将其称为"圣母之花"；而对中国人而言，百合代表着"百年好合"；在希腊诗里，百合代表着温柔亲切之意；而对信风水的人来说，百合是全盛和丰裕的标志。

A new technique for preparation of high-purity magnesia from low-grade magnesite was studied.

研究一种以低品位菱镁矿为原料制取高纯镁砂的新方法。

It's made from high purity fused magnesite and flake graphite,adding composite anti-oxidation,w

镁钙碳砖是由高纯电熔镁砂，高纯鳞片状石墨，添加复合抗氧化剂制作。

In this article, the key problems on the preparation of high purity anhydrous magnesium chloride from hydrated magnesium chloride were discussed.

主要论述以水合氯化镁为原料制备高纯度无水氯化镁的关键问题和国内外相应的新工艺：(1)氯气气氛下脱水；(2 )复盐法；(3)氨

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。