气源的

The result shows that the main factors,which affect the technical quality of the cathode assembly preparation,are surface oxidization of emissive layer,impurity pollution,doped concentration nonuniform,less variation of doped concentration gradient,the sticking stress of GaAs and glass,and the main factors,which affect the cathode activation,are the degree of vacuum for activation at lower than 8x10-8Pa,the partial pressure of H2O,CO,CO2 and C in the vacuum residial gas at higher than 10-8 Pa and the improper caesium and oxygen refining.

结果表明，影响台外工艺质量的主要因素是外延材料缺陷多、发射层表面氧化、杂质污染、掺杂浓度不均匀、掺杂浓度陡度变化小及GaAs与玻璃粘接产生的应力大；影响台内工艺质量的主要因素为阴极激活真空度低于8×10-8Pa。真空残气H2O.CO.CO2及C分压大于10-8Pa。阴极激活铯和氧源提纯不彻底。

From the current studies, the coal measures with high organic matter are main types of source rocks of low\|mature gases.

从目前的研究来看，低熟气的源岩母质类型主要以有机质丰度较高的Ⅲ型煤系为主。

The fluffy film may fall off from Cf if the pretreat method of Cf suface was not appropriate. Boron sources was ahead loaded on the surface of Cf by in situ chemical reaction to protect the fiber from corrasion of vapor such as NH_3 and increase the combination between BN film and Cf. The measured surface area of the composite fiber increased greatly to

表面的氮化硼绒膜与碳纤维的结合程度，取决于碳纤维表面预处理的方式，先期在表面通过原位化学反应引入硼源物质，形成保护膜，可以避免碳纤维在整个反应过程中受到气相侵蚀而影响氮化硼绒膜与碳纤维的结合程度，该复合材料的比表面积大幅提高，达到96m~2／g。

Results show that main microbial populations in the reservoir are saprophytic bacteria,hydrocarbon-oxidizing bacteria and ferment bacter...

结果表明，腐生菌、烃类氧化菌、发酵菌等是油藏中存在的主要微生物群落；注入玉米浆可以有效刺激内源微生物的生长与代谢，产生表面活性剂和生物气，有利于驱油；硝酸铵可以有效抑制硫酸盐还原菌的生长。

According to the request of adopting advanced technology, the main designing has such contents as below:⑴ Designing the two-fluid nozzle that is based on the theory of air-atomize spraying.⑵ Designing and choosing the type of the axial fan that is used to supply assisted airflow to waft droplets that comes from nozzle.⑶ Designing the swaying outfit that can rotate the spray assembly at a speed and inside a angle in order to satisfy the spray request of different crops, different planting states and improve the uniformity of distribution, the deposition of droplet. Here, we select TYV type reduction gear motor to adjust the swaying speed and use course switch to adjust the swaying angle.⑷ Designing the lift outfit that can adjust the height of the spray assembly to satisfy the request of the crops of different tallness, different spraying range. Here, we select cylinder as the main component that can be used as kickstand and controlled easily.⑸ Designing the switch of the power supply that is put out of the greenhouse in order to prevent worker from poisoning. After the mist sprayer being made, the experiment is made to test the function of the greenhouse mist sprayer fully.

根据采用先进施药技术的要求，本研究的设计内容主要有：⑴采用气液两相流喷雾技术，基于气力雾化原理，设计双流体喷头；⑵采用辅助气流输送雾滴，气流源为风机，对风机进行设计、选型；⑶为满足不同作物、不同栽培情况及提高雾滴分布均匀性、沉积性的施药要求，设计能带动喷射部件在一定角度内、以一定转速的旋转摇摆机构，本研究选用调速电机调节其摇摆速度，并利用反向行程开关调节其摇摆角度；⑷为满足不同高度作物、不同射程的施药要求，设计能调节喷射部件高度的升降机构，这里选用气缸为主要构件，既可以起到整机支架的作用，又可方便进行升降、固定控制；⑸设计行程开关的控制电路以及整机的控制系统。

The desired tensile strain value is achieved by only changing the TMGa source flow during low-pressure metalorganic vapor-phase epitaxy.

在低压金属有机化学气相外延的过程中，只需调节三甲基Ga的源流量便可获得所要求的张应变量。

The results of continuous experiments with BAF show that: the short nitrification occurs when the Qair/Qinfluent ratio is 4:1 with NO_2~--N accounting for 72% of NOx--N; the suitable recirculation rate is 200%; the ratio of external acetate dose to NH4+-N concentration is 2:1 attributing to the short nitrification; BAF needs being backwashed when the headloss increases to 6 cm every 17~20 days; in the water reuse context, 98.7% water yield can be obtained.Lastly, the long-term operation of SBR-BAF system indicates it can treat the wastewater efficiently.

BAF反应器连续流试验结果表明：最佳气水比为4：1，硝化类型以短程硝化为主，NO_2~--N占到NOx--N的72%；综合考虑对TN的去除率和动力消耗，最佳回流比为200%；最佳缺氧/好氧容积比为3：5；由于短程反硝化较全程反硝化碳源需求量低，在BAF反应器进水NH4+-N 40mg/L左右的情况下，乙酸钠投加量为80mg/L以COD计设定水头损失达到6cm时进行反冲洗，随水温不同，反冲洗周期为17~20d，产水率为98.7%。

Located offshore in the South China Sea, Yinggehai basin has a peculiar sedimentary, tectonic and evolution model. As a result, the basin is abundant in hydrocarbon resources. A series of oil/gas fields have been found, that are closely related to fault system and overpressure fluid activity in diapirs area.

莺歌海盆地位于我国南海海域，具有独特的沉积、构造和演化模式，因而烃源丰富，资源潜力巨大，在浅层已经发现了一系列与底辟区的断裂输导系统和超压流体的活动有着密切的联系的气田和含气构造。

The carbon isotope data of carbon dioxide, 3He to 4He rado and the inverted sequence of methane-ethane-propane isotope proved that the gas reservoirs in this area were resulted from the inorganic mantle source gas.

CO2的碳同位素资料，3He / 4He比值及甲烷、乙烷、丙烷同位素的倒序证明了该区的气藏属于无机幔源气。

Using cheap waterglass as silica source, silica aerogels were synthesized via a novel fast ambient drying by using EtOH / TMCS / Heptane solution for modification of the wet gel.

以廉价的水玻璃为硅源，用乙醇/三甲基氯硅烷/庚烷溶液对湿凝胶进行改性，采用一种新的常压干燥工艺合成了SiO2气凝胶。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。