查询词典 atmospheric pressure

Urban soil bodies generally exist in the hydrochemistry environment of normal temperature, atmospheric pressure and slow variation. Under this kind of conditions, the chemical components in soil, which are an essential factor affecting the stability of soil, play an important role in this kind of environment, and also have an important influence on surface subsidence, production of earth holes and so on.

城市区域的土体环境一般是处在常态即常温、常压、缓变异的水化学环境中，在这种环境中，影响土体稳定的要素－土体中的化学组份扮演著重要的角色，而其对诸如地面沉降、土洞的产生都有重要影响。

To provide fundamental data for the extraction process of phenol removal from wastewater, experimental liquid-liquid equilibrium data in the range of dilute phenol concentration were determined for the ternary system methyl isobutyl ketone-water-phenol at 25℃, 40℃ and 50℃ under atmospheric pressure.

为了给以甲基异丁基酮为溶剂的含酚废水萃取过程设计和流程模拟计算提供基础数据，实验测定了常压，25、40和50℃下甲基异丁基酮-水-苯酚三元物系在稀酚水范围内的液液相平衡数据。

ZnO films with mosaic structure are grown on Ag-Si(111) templates by atmospheric-pressure metalorganic chemical vapor depositon.

采用常压金属有机化学气相沉积法，在Ag/Si(111)衬底上成功地生长出马赛克结构的ZnO薄膜。

The InGaN/GaN films have been grown on (0001) sapphire substrates by metalorganic chemical vapor deposition under the atmospheric pressure.

采用MOCVD技术以Al2O3为衬底在GaN膜上生长了InGaN薄膜。

In this article the authors explored a new grease of silicone fluid under atmospheric pressure, which is compounded by stearic acid, methylic silicone fluid, some other additives, etc.

本文以硬脂酸、甲基硅油及其他添加剂在常压下合成了一种新型硅油脂，并将其与几种常用润滑剂进行润滑摩擦系数的实验对比。

The intensity and way of the cold high atmospheric pressure center,Ф568 (the latitude at the nodical point of the 5680 geopotential meter line with the 120°E line in the 500hPa high altitude) and Ф850(the latitude at the nodical point of the 0℃ temperature lute with the 120°E line in the 850hPa high altitude) were closely related to the minimum temperature. The equation of short-term forecast of low temperature weather for Fuzhou, Xiamen and Shaowu was established by stepwise regression analysis. The detemperature rate was estimated by cloud cover, wind velocity, humidity (N20, F20, U20) at 20:00 o'clock.

通过对历史资料分析，利用逐步回归分析方法分别建立了福州、厦门和邵武三个探空站最低气温t的短期预报方程，再利用各地当晚20时的云量、风速、湿度(N20、F20、U20)值估算当晚的降温幅度、进一步对最低气温t进行短时临近预报，然后结合各地果树主栽品种及其抗低温冻害指标、及时发布低温冻害预警预告，构成了福建省冬季果树冻害低温预报预警模式。

It is showed that a quantitative analysis on those geophysical factors causing the seasonal vertical movement of the crust could be very helpful to explain what is obtained in GPS monitoring, such as the atmospheric pressure, the mass load of snow cover and soil humidity, the nontidal oceanic mass load, rock's thermal expansion and shrink and so on. Also we do some ualitative analysis on the systematic errors between them.

研究表明，通过对大气压、积雪和土壤湿度质量负载、非潮汐海洋质量负载、以及基岩的热胀冷缩等地球物理机制因素引起地壳垂向季节性变化的定量分析，可以较好地解释GPS的监测结果，对两者间存在的一些系统偏差做了定性分析。

Silica coating was prepared by atmospheric pressure chemical vapor deposition taking HP40 steel plate as substrate,tetraethyl orthosilicate as silica source,and air as carrier gas and diluent.

以正硅酸乙酯为硅源物质、空气为载气和稀释气，采用常压化学气相沉积法在HP40钢表面制备了SiO2涂层；采用扫描电子显微镜和能量色散能谱表征了SiO2涂层的组织结构和表面形貌；考察了在乙烯裂解的工艺条件下SiO2涂层的结焦抑制能力。

In the thesis, SO_4~(2-)/ZrO_2-CuO, SO_4~(2-)/ZrO_2-Co_2O_3 and SO_4~(2-)/ZrO_2-V_2O_5 were synthesized and their application in the oxidation of cyclohexane under mild condition (room temperature and atmospheric pressure) was investigated. The aim to the study was for the development of the synthetical methods to oxygenous ramification, which was economical and environmentally friendly.

即以SO_4~(2-)／ZrO_2-CuO、SO_4~(2-)／ZrO_2-Co_2O_3和SO_4~(2-)／ZrO_2-V_2O_5三类固体超强酸为例，研究SO_4~(2-)／M_xO_y型固体超强酸在温和氧化气氛中对烷烃的催化反应情况，以开发经济环保的(来源：ABdfC论文网www.abclunwen.com)含氧衍生物的合成方法。

By using paleosols, the history of ancient paleoclimate change might be reconstructed while variation of atmospheric pressure of oxygen and level of carbon dioxide concentration during preCambrian and postCambrian periods, as well as paleoecological, paleogeographic features and paleolandscape were rebuilt. However, several problems should be tackled, e.g.

形成于晚第三纪以前的古土壤可以重建全球范围的古气候变化历史，同时揭示前寒武纪时期古大气O2分压以及后寒武纪时期古大气CO2浓度水平的演化过程；古土壤具有空间和时间等多重信息，能反映流域或区域的古景观、古地貌、古水文特征。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。