查询词典 low-temperature

The constrained low-cost restricts the improvement of government performance, other cost and implicit cost increases idle cost, the development of government transformation and civil society organization is slow, and constitutional problems still exist. These factors are the primary reasons which lead to low performance of the government administrative cost control in underdeveloped areas.

低成本制约了政府绩效的提升，制度外成本和隐性成本增加了无效成本，政府转型和公民社会组织发展缓慢，制度性问题等依然存在等，是导致落后地区地方政府行政成本支出绩效低下的主要成因。

However,there are a lot of problems unsettled by now in this field,such as the low efficiency of splicing in heterologous hosts,the low yield of intein mediated purification system and the impracticability of artificial control on the process of splicing.

但是，在目前的研究中，仍然存在着大量未解决的问题，如异源生物体内剪接效率低、蛋白质内含子纯化系统效率低以及不能实现蛋白质剪接人为控制等。

The error models of strapdown inertial navigation system are given, and error models of low cost system are given according to the specialties of low cost IMU.

列出了捷联惯导系统的误差传递方程，并结合低成本IMU的特点，给出了低成本捷联惯导系统的误差传递方程。

In terms of marketing strategies, we positioned and targeted in the high medium range market that differentiate from the low quality, low price products and seeking to supersede the quality and technology of Taiwan and Korean camera products.

在开发决策上，把产品等级定位在中高水平方向，即可从低端产品的质量和韩国产品的价格上取得相对优势。在工厂管理方面，通过SMT自动表面贴装技术， QC严格测试严把质量关。

With 125,000 square meters, the company develops and produces a broad spectrum of low-voltage motors in the medium and low power range. SSML's local motor series1LG0 is produced in according with IEC standard and fully meets custmers' requirements.

公司致力于研发和生产具有广泛应用的技术领先的中小型低压电机，目前主要产品有符合国际 IEC 标准的 1LG0 系列三相异步电动机。

Because the carbonyl in its structure is with strongly absorb-electron effect, so it is a kind of non-proton polarity solvent with high boiling point, high flash point and low melting point, use conveniently for many processing operation such as filtration, distillation, solvent extraction, and so on; it is with very low toxicity, so the harm to human body is inappreciable, and reduce the environment pollution; due to its very strong dissolvability, it can dissolve organic matter, inorganic matter, resin, polymer, etc., and activate all kinds of reagent, mix to dissolve the other high boiling point solvents; it is with very good stability, it is stable under the hot strong alkali and acidity condition, it is with water-resistance and light, oxygen stability.

246℃ m.p：—20℃闪点121℃ flash point： 121℃分子式：C6H12N2O molecular formula： C6H12N2O 分子量128.18 molecular weight： 128.18 二、DMPU的化学性质 Chemical character of DMPU 其结构中由于羰基具有强烈的吸电子效应，因而它是一种非质子的极性溶剂，具有高沸点、高闪点、低熔点，在过滤、蒸馏、溶剂萃取等工艺操作中使用方便；毒性极低，对人体危害微不足道，也减少了对环境的污染；由于它具有极强的溶解性，能溶解有机物、无机物、树脂、聚合物等，并对各种试剂具有活化性质，还能与其它高沸点溶剂混溶；具有极好的稳定性，在热的强碱和酸性条件下都很稳定，还具有耐水性及对光、氧的稳定性。

And the company is the first one entitled to draft out the standard of low pressure casting line, which is a professional manufacturer of special casting equipment including low-pressure die casting machine, differential pressure die casting machine, extrusion die casting machine, inclinable gravity casting machine, air tight tester, air-elimination refine machines, hydrogen-test machines etc.

主要从事低压铸造机、差压铸造机、挤压铸造机、可倾式重力铸造机、气密性试验机、除气精炼机、测氢仪等热加工专用及辅助设备的生产。

Low industrial concentration is the key issue of steel industry in China,which results in lots of problems such as inconsequence of Chinese steel products structure、low quality、high resources consumption.

产业集中度较低是中国钢铁行业的核心问题，并由此导致了中国钢铁产品结构不合理、档次和质量较低、资源消耗较高等方面的问题。

Since the shield material has characters of high magnetic inductivity with low magnetic saturation intensity and low magnetic inductivity with high magnetic saturation intensity, different material should be used under different circumstances.

究其磁屏蔽材料本身的特性，磁屏蔽材料存在高磁导率、低磁饱和强度和低磁导率、高饱和磁感应强度等特点，因此在不同屏蔽环境下，屏蔽材料的选择亦是不同。

Now days,fluorinated materials are widely used because of their low surface energy,chemical inertness,thermal stability,and low friction coefficient.

含氟聚合物材料具有极低的表面能、良好的拒水拒油和自清洁性、优异的耐热性能和化学稳定性等，在织物整理、功能涂层、航空航天、生物医用以及微电子等领域已得到广泛的应用。

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。