产气的

The bio-oil was composed of acetic acid, hydroxyacetaldehy, acetol, levoglucosan, furaldehyde, and a small quantity of phenols.

结果表明，热解温度为460~520℃时热解油产率最大，主要有醋酸、羟基乙醛、羟基丙酮、左旋葡聚糖、糠醛，油热值为17.0MJ.kg-1；热解气主要为CO2和CO，还含有少量H2、CH4和C2~C4的烯烃。

Results The total intestinal bacteria of Grass carp of the control group was 6.6×10^8 CFU/g ,and the dominant flora included Aeromonas, Pseudomonas and Enterobacter; After 10 d feeding on the concentration of 2.5%, 5.0% and 7.5% Chinese herb medicine compound, the total intestinal bacteria reduced to 3.0×l0^7 CFU/g, 5.0×10^6 CFU/g and 1.5×10^6 CFU/g respectively, and the dominant flora changed to F. indologenes P. alcaligenes and X. campestris.

结果 对照组鱼种肠道内的细菌总数为6.6×10^8CFU/g，其优势菌群为气单胞菌、假单胞菌和肠杆菌；投喂2.5%、5.0%和7.5%中草药复方药饵10d后，其肠道内细菌总数均有所减少，分别为3.0×10^7CFU/g、5.0×10^6CFU/g和1.5×10^7CFU/g，其优势菌群为吲哚黄杆菌、产碱假单胞菌和野油菜黄单胞菌。

Consists of many flavor components. We chose Kaempferia galanga L. planted in Yangjiang, Guangdong province as the sample and extracted the essence oil by enzyme-decomposing together with steam distillation.

本文选用广东阳春所产鲜沙姜用酶解法配合水汽蒸镏提取其中精油，并对此精油进行气相色谱-质谱分析，以确定广东阳春沙姜精油的成分及含量。

The results showed that the yields of coke and dry gas decreased first and then increased ,and olefinic content in gasoline and C 3 olefinicity decreased by 2.0% and 1.2% respectively at the similar heavy oil conversion when the amount of que...

结果表明：在控制相近的重油转化深度下，终止剂用量占处理量 1 %、1 0 %和 1 6%时，焦炭和干气产率均先降低后增加，汽油中烯烃含量和C3 中烯烃质量分数则分别降低 2 。0和 1 。2个百分点，汽油中异正构烷烃比增加，二烯值降低，诱导期增加超过 1 0 0min ；终止剂注入点由提升管中部移至上部而其他条件不变时，汽油中烯烃和C3 中烯烃质量分数分别增加 4.2和 0 。6个百分点

The cost will be made fewer as well for the reason that coke in filter and clarifier-tank can be put into gasifier again to pyrolyze.

试验结果表明，为了提高产品气质量和产气量，对焦油进行催化裂解是一种高效的途径。

To determine whether chemical additions can be used to reduce sludge production in biological wastewater treatment, 3,3′,4′,5-tetrachlorosalicylanilide, served as a metabolic uncoupler was added to activated sludge cultures.

采用 3，3′，4′，5 四氯水杨酰苯胺作为代谢解耦联剂添加到活性污泥工艺中，连续曝气分批培养实验结果表明，TCS在浓度高于 1 0mg/L时是一种有效的化学解耦联剂，能显著地降低污泥产率。

In well completing test for gas wells of Feixianguan Group with high sulphur content, the well test interpretation can't be conducted until the pressure data are calculated with gas column calculating formula because the distance between the pressure testing point and the central part of the formation is too big.

川东北飞仙关组高含硫气藏气井在完井测试过程中，压力测点位置与产层中部的距离较大，需将压力数据用气柱压力计算公式折算后再进行试井分析解释。

Three high volatile bituminous coals were used pyrolysis with solid heat carrier to investigate the product distribution and characteristic of gas, tar and char.

以三种高挥发分烟煤为原料，对固体热载体煤热解获得的气、油、焦产物产率、组成和性质进行了考察。

Gas-lift pump for wells, the only recovery to extract the engine fuel flow, using the wells in gas-driven gas compressor output.

气举泵用于气井时，仅在采出液流中提取发动机燃料，用该井的产出气驱动气体压缩机。

When mixed with oil in the air, easy in its high-pressure area formed cavitation, and pressure wave form of communication, caused by oil shocks, resulting in cavitation noise generated.

当油液中混入空气后，易在其高压区形成气穴现象，并以压力波的形式传播，造成油液振荡，导致系统产生气蚀噪声。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。