查询词典 oxide

On the floors of the world's oceans manganese nodules are found as a result of pelagic sedimentation or precipitation; they are small, irregular, black to brown, friable, laminated concretionary masses consisting primarily of manganese salts and manganese-oxide minerals.

世界海洋中锰结核的发现是由於远洋沉降或沉淀的结果；它们体积不大、不规则状、黑色至棕色、易碎、薄碍块，主要含有锰盐和锰氧化物。

Methods: 60 patients with isolated anterior teeth used zinc oxide paste and iodoform gutta-percha point for lateral condensation, then the experimental group had the root canal filling pressure into FRC pile nail, the control group would no longer be dealing with, two groups had apical dye leakage test.

选60例离体前牙，采用碘仿氧化锌糊剂及牙胶尖做侧压充填，然后实验组在已充填的根管内加压插入FRC桩，对照组不再做处理，对两组做根尖染色渗漏试验。

The stability of copper reduced because of the formation of copper oxide under alkaline condition, while the stability of copper kept the same because of the constant chemical structure under near neutral condition.

在去离子水中， Cu-KEtX的化学结构则没有明显的改变，故对Cu的稳定性亦不变。

The major factors affecting the pickling rate are scale thickness, compactness, and the oxide structure, especially the amount and continuousness of hematite.

经归纳后发现影响锈皮酸洗难易度之内在因素主要有三：(1)锈皮厚度、(2)锈皮致密性、(3)锈皮组成，尤其是Fe2O3层的量及连续性。

Background— Neuronal nitric oxide synthase has recently been shown to be a major regulator of cardiac contractility.

背景——近来，神经元型一氧化氮合酶被证实为心脏收缩性的主要调节因子。

Solid oxide fuel cell is an energy conversion device that produces electricity directly from a gaseous fuel by ...

固体氧化物燃料电池是一种直接通过具有离子导电性的陶瓷电解质膜的电化学反应将燃料化学能转化为电能的装置。

Direct oxidation of benzene to phenol, in contrast with the Hock reaction, has the merit of not only utilising nitrous oxide as an oxidising agent but also the absence of acetone as a coproduct and simpler separation processes.

直接氧化苯酚，反观与典当反应不仅具有优异的氧化剂使用笑气作为而且由于缺乏丙酮一个简单的副产品和分离工序。

The external scale of cobalt sulfide and yttrium oxide-surfide particles in the inner scale were found respectively after corrasion in Pa .!$+ lo-'' Pa Q. Beneath the external scale, a region of internal sulfidation-oxidation of yttrium was also present. The comion pduct in lo-' Pa .!$+ 10-l5 Pa Q was only a very thin surface layer of yttrium oxysulfide and an internal oxidation zone of yttrium.

并有助于降低纯Co的腐蚀速率，10＾02Pa硫压下，合金表面形成的腐蚀产物为多层、以为硫化钴，中间层为由两金属化合物怕成分复杂的混合物层，最内层是由氧和硫引起的Y的内腐蚀区；在10＾－3Pa硫压下，合金没有形成外层硫钴，仅在表面形成较薄的Y的硫氧化物，其下为Y的内氧化区。

KEY WORDS Corydalis decumbens; brain ischemia; neurologic manifestations; nitric oxide synthase; superoxide dismutase; malondialdehyde

关键词］夏天无；脑缺血；神经病学表现；一氧化氮合酶；超氧化物歧化酶；丙二醛

Of the cotton gin aluminum oxide automatic production lines are proposed to be established .

项目建成后可年生产铝花纹板2万吨，年产值可达1.5亿元，年利润总额3000万元。

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。