查询词典 atmospheric pressure

A critical temperature of water is 100 degrees C--its boiling point at standard atmospheric pressure.

水的临界温度是100摄氏度——即在标准低气压下的沸点。

A region of atmospheric pressure that is below normal.

活塞式抽水机和离心泵都是由于大气压强的作用。

But the mixture of these two components can not be separated by conventional distillation, because they form azeotrope at atmospheric pressure.

但两者在常压下形成共沸物，应用普通精馏方法难以对其进行有效的分离。

The bailer is a 5-ft cylinder that is lowered into the well under atmospheric pressure.

捞砂筒为一个5英尺圆筒，它在大气压力下被下入井内。

Take an issue about baric belt, wind, there is such narration in the book: These atmospheric pressure take zephyr to take as the seasonal shift with bit more point-blank sun shift.

有关气压带、风带新问题，书中有这样的叙述：这些气压带和风带随着太阳直射点的季节移动而移动。

The experimental comparisons and researches to p-type silicon cone and wedge arrays coated by four kinds of metals with same structures are done, and show that the gold and aluminum will be hopeful cathode materials of field emission devices which operate at low vacuum and atmospheric pressure.

对结构相同的覆四种不同金属层（Au，Al，Ni，Cr）的p型硅尖锥和楔形体阵列进行了实验比较研究，表明金、铝可望成为低真空和大气压环境下工作的场发射器件的阴极材料。

The present wave power generating system can be subdivided into hydrodynamic system and atmospheric pressure system.

中文摘要现有的波浪发电系统可分为水力式与气压式两大类。

About the windbreaks of Chi-Sing Tang, the average wind and salt reduction already reached 90% at 140 m inside it; furthermore, the salt content of beefwood, in the soil and the amount of floating all increase with the horizontal distance but decrease progressively and descend 10 mg/100ml at 150 m; however, the average temperature and ground temperature is 2℃ higher, and the water content in soil is about 0.4% higher inside the forest belt than the outside of it; the trend of the atmospheric pressure and opposite moisture is the same, but the illumination is only 1/215, and the radiation is 1/20 of that of the outside forest belt.

至於七星潭海岸防风林经分析得知，位於防风林带内140 m处减风与减盐效果可高达约90%；再者，叶片与土壤盐份量及空中飘盐量之分布，随水平距离增加而递减，在150 m处皆已降至10 mg/100ml以下；至於林带内平均气温与地温则较林带外高约2℃，土壤含水量较林带外高约0.4%，而气压及相对湿度亦有相同之趋势，但光照度则仅为林带外1/215，日辐射量亦只有1/20。

Under an atmospheric pressure of H2, the conversion of m-phenoxy benzaldehyde was beyond 99% after 12 h of reaction at 40℃.

以间苯氧基苯甲醛催化加氢反应为模型反应，研究了Pt和Pd金属纳米粒子的催化反应性能。

In recent years, the companies insist on the one hand and the deepening of enterprise reform with one hand and technology and the use of new technologies, the main products in the development of ammonium bicarbonate, liquid ammonia, the basis of SSP has developed a well-known trademarks of Jinzhong City,"Jin burning "brand 5 series more than 40 species of regulation of the entire cast iron cooking stove warming more, all cast iron hot water boiler, hot water boiler environment-friendly, such as atmospheric pressure and" Yu-tai "brand PJ80-style shoulder cannon fire, PJ120 rack gun fire, fire bombs first domestic product, artillery fire in Shanxi Province have been focused on new product year 99 projects in 2000 included the states key projects.

近年来，公司坚持一手抓深化企业改革，一手抓技术改造与新技术的运用，在发展主产品碳酸氢铵、液氨、过磷酸钙的基础上，先后开发了晋中市知名商标"晋燃"牌5大系列40余个品种的全铸铁调节炊暖多用炉、全铸铁热水锅炉、环保型常压热水锅炉等及"泰宇"牌PJ80肩负式灭火炮、PJ120支架式灭火炮、灭火弹等国内首创产品，灭火炮获山西省99年度重点新产品项目，列入2000年国家重点计划项目。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。