查询词典 calcium

A high efficiency decalcification agent without phosphorus matter or metal content has been developed for Liaohe crude with high calcium content,and calcium in the crude before and after decalcification are analyzed by atomic absorption spectrometry.

针对辽河高钙原油研制开发了无磷不含金属的高效脱钙剂，利用原子吸收光谱对原油中的钙含量进行分析，考察了剂钙摩尔比、注水率、反应温度、沉降时间和搅拌时间对脱钙效果的影响。

It is widely accepted that AP depolarize the plasma membrane and open voltage-dependent calcium channels , the calcium influx through VDCCs trigger the fusion of vesicles with plasma membrane and subsequent transmitter release.

现在被普遍接受的观点是当可兴奋细胞受到动作电位的刺激后，细胞的电压依赖性钙离子通道被打开，在动作电位的下降相引起细胞外钙离子的内流从而升高细胞内的游离钙离子浓度，触发许多细胞内的过程，譬如说神经递质分泌、信号转导和基因表达等。

By using freshly isolated SD rat cerebrocortical synaptosomes and KC1 as chemical stimulant to depolarize, we studied the effects of etomidate on KCl-induced increased intrasynaptosomal calcium concentrations, voltage-gated calcium channel subtypes on presynaptic membrane and neurotransmitters release from synaptosomes respectively, via neurochemical and inverse phase high performance liquid chromatographic methods.

我们利用SD大鼠新鲜分离的大脑皮层突触体作为研究对象，以KCl作为化学刺激剂去极化，采用神经化学方法(Fura-2作为钙离子指示剂)和高效液相测定法，分别就依托咪酯对去极化诱发突触体内钙离子浓度升高的影响，突触体膜上电压门控性钙通道亚型的作用以及由此引起的对神经递质释放的影响进行了实验研究。

It is shown that calcium carbonate can be decomposed in aqueous sodium dichromate solution and transformed to calcium chromate at ambient pressure and boiling temperature.

介绍了一种制取铬酸钙的新方法，利用重铬酸钠溶液分解碳酸钙，可以得到高纯度的铬酸钙。

The distribution of temperature stress was calculated by finite element analysis. The results showed when the surface temperature of concrete was higher than 110℃, the temperature stress was more than 4 MPa without regard to the creep. This might be lead to the damage of the surface of concrete. At the same time, a lot of microstructure analysiss such as XRD, SEM, IR, HSA etc. were done to analysis the difference of the component and microstructre of concrete before and after corrosion. The results indicated that the decomposion of CSH gel and calcium hydroxide and the creation of dilatability calcium oxide were the internal reason of the deterioration of concrete in the corrosion form of high heat.

该文通过有限元方法计算了由于温度而产生的结构应力分布，计算结果表明当混凝土表面温度超过110℃时，如不考虑徐变时表层混凝土受到的温度应力将超过4MPa，这使得表层混凝土很容易因温度应力而破坏；同时通过X射线衍射分析、扫描电子显微分析和混凝土孔结构分析等多种微观结构测试手段，分析了混凝土受热前后的宏观性能以及微观组成和结构的变化，指出混凝土原水化产物如水化硅酸钙凝胶和氢氧化钙的分解以及膨胀性产物氧化钙的产生是高热腐蚀形式下混凝土破坏的内在原因。

Nano calcium dispersant production lines, more than 400 million investment, a calcium solution to the production process of a problem.

纳米钙分散剂生产线，投资400余万元，解决了钙生产工艺中的一项难题。

Calcium preparation ; dissolubility of calcium ; principle of application ; rehabilitation

钙制剂；钙溶出度；应用原则；康复应用

There are a number of cellular mechanisms involved in the influx, efflux and storage of calcium which are known to regulate intracellular levels of calcium.

有很多调节细胞内钙浓度的细胞机制涉及到钙的流入，流出和储存。

Ordosica community. Those changes accelerated decomposition of A. ordosica litter and soil transpiration, promoted the release of calcium ion and carbon dioxide, thus enhanced the eluviation and precipitation of calcium carbonate in soil of A. ordosica community.

这些变化促进了油蒿枯枝落叶的分解，加速了Ca(上标 2+)的释放，促进了土壤呼吸，促进了土壤中CO2的释放，进而促进了油蒿群落土壤中CaCO3的淋溶和淀积。

Immediate and correct rescue at early phase, exhaustive debridement, calcium supplement, regular monitoring the concentration of blood calcium, eschar excision as early as possible, emphasizing the treatment of inhalation injury and preventing severe complications are key points of successful treatment.

早期、及时、正确的急救，彻底清创，静脉补充钙离子，定时监测血钙，及早切除坏死创面，重视呼吸道损伤及防止全身并发症是成功救治的关键。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。