Using black liquor of paper pulp plant as catalyst, the steam gasification of high metamorphosed anthracites was investigated by isothermal thermo-gravimetric analysis under ambient pressure. 以纸浆黑液为催化剂,用热天平的等温法研究高变质无烟煤常压纯水蒸气催化气化反应。
Preparation Technology of SiO_2 Aerogel with Low Density and High Specific Surface Area at Ambient Pressure 常压制备低密度高比表面积SiO2气凝胶的工艺研究
It can be seen that if the engine air inlet temperature is higher and the ambient pressure is lower than the standard conditions, the power output of the effects will be lower. 可以看出,如果在发动机的进气温度较高,环境压力低于标准的条件下,输出功率的影响将降低。
Thrust Determination of an Engine with Laval Nozzle with Large Simulated Ambient Pressure Deviation 环境压力大偏差条件下拉瓦尔喷管发动机高空推力的确定
Silica Aerogels Hydrophobic Modified and Ambient Pressure Dring Study on effect of porous silica prepared from wollastonite as reinforcer in silastic 疏水二氧化硅气凝胶的疏水改性及常压制备硅灰石制多孔二氧化硅在硅橡胶中的应用研究
Effect of Ambient Pressure on Droplet's Spray Process in Colloid Thruster 环境压力对胶体推力器喷雾过程的影响
The Effects of Ambient Pressure on Wellbore Crushing Effect Under Explosive Fracturing 爆炸压裂下围压对井壁破碎效果的影响
Studies on Preparation and Properties of Benzyl-modified Starch and Starch Derivatives; Silica Aerogels Hydrophobic Modified and Ambient Pressure Dring 苄基疏水化改性淀粉及其衍生物的合成和性能研究疏水二氧化硅气凝胶的疏水改性及常压制备
A valve in the hydraulic system for decreasing hydraulic reservoir air pressure to ambient pressure. 在液压系统中,将液压油箱空气压力减至与周围环境压力相同的活门。
Analysing and Research on Characteristic of Micro-hydraulic Power System under the Supernormal Ambient Pressure 超常环境压力下微型液压动力系统特性分析与研究
The Synthesis and Characteristic of Silica Aerogels by Ambient Pressure Drying Process 二氧化硅气凝胶的常压制备及其特性研究
In the case of isotropic consolidation, the effect of ambient pressure on the increment of the cumulated axial strain was determined by the vibration frequency of wave load. 在等向固结条件下围压对土样的累积轴向应变增长的影响作用是由波浪荷载振动频率的高低决定的;
The thermal insulation material with ultra-low thermal conductivity made by using fiber felt to compound with SiO_2 aerogels and ambient pressure drying 节能型外墙保温隔热材料系统研制与应用纤维毡复合SiO2气凝胶常压干燥法制备超低导热系数保温隔热材料
A constant volume cell for spray study was designed to investigate the thick spray characteristics under high injection pressure and high ambient pressure. 为了研究柴油机高喷射压力、高背景压力下的密集喷雾特性,自行设计了喷雾模拟试验装置。
The equipment for underwater abrasive water jet under high ambient pressure and a study of eroding properties 水下高围压磨料射流装置及冲蚀性能的研究
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***溶液分解碳酸钙,可以得到高纯度的铬酸钙。
It is shown that the development of dynamic strain and dynamic strength of silt was in relation to the consolidation stress, ambient pressure, critical cycling stress ratio and vibration frequency. 试验结果表明,粉土的动应变和动强度的发展与土样所受的固结应力、围压、循环应力比和振动频率有关;
Effect of Ammonia Hydroxide on the Properties of Monolithic Silica Aerogels Via Ambient Pressure Drying 氨水浓度对常压制备硅气凝胶片性能的影响
Based on experimental data and numerical simulation results, effects of ambient pressure and base bleed on aerospike nozzle base behaviour are investigated. 基于实验数据和数值模拟结果,研究了外界反压和底部二次流对塞式喷管底部的影响。
A new kind of silicon oxidic film on aluminum was prepared by chemical vapor deposition ( CVD) in ambient pressure. 本研究采用常压化学气相沉积(CVD)的方法在金属铝基底上制备出硅氧化合物陶瓷膜层。
Hydrophobic Silica Aerogel Prepared In-situ by Ambient Pressure Drying and Its Thermal Stability 原位法常压干燥制备疏水SiO2气凝胶及其热稳定性
Experimental study on impact of ambient pressure on water jet kinetics 围压对水射流动力学特性影响的实验研究
Preparation of the HPMC Matrix Tablets of Gambirplant and Investigation of the Releasing Rate; Effect of Ammonia Hydroxide on the Properties of Monolithic Silica Aerogels Via Ambient Pressure Drying 钩藤总碱凝胶骨架片的研制及释放度考察氨水浓度对常压制备硅气凝胶片性能的影响
Experimental Study on the Effects of Low Ambient Pressure Conditions at High Altitude on the Fire Suppression Performance of Water Mist 高海拔低气压条件对细水雾灭火性能影响的实验研究
The effects of ambient pressure on fuel droplet evaporation in different convective thermal environments was investigated using numerical methods. 通过建立单液滴蒸发的物理数学模型,采用数值方法研究了对流环境中压力对液滴蒸发的影响。
A small hole orifice or restrictor in a component for allowing pressure in the component to be the same as ambient pressure. 部件内,用以使部件内的压力与周围环境压力相同的小孔、或限流器。
What we define as zero is the enthalpy of every element in its natural state at room temperature and ambient pressure. 我们将零点定义为每种元素,在室温和正常大气压下,在其自然状态下的焓。
TiO_2-SiO_2 Composite Aerogel: Preparation by Ambient Pressure Drying Process and Characterization TiO2-SiO2复合气凝胶:常压干燥制备及性能表征
Fabrication and Properties of SiO_2 Aerogels and Its Composites Prepared with Drying Process under Ambient Pressure SiO2气凝胶及其复合材料的常压干燥制备工艺与性能研究
The influence of ambient pressure and temperature on the evaporation rates of fuel drops is examined analytically. 本文就环境压力和温度对燃油液滴蒸发速率的影响进行了分析研究。