中柱的

Oil column leaching experiment showed that after zeolite application, the content of nitrogen and potassium in leachate was reduced significantly, but no significant effect was detected for phosphate.

结果表明，在华南地区4种退化坡地土壤上，土柱淋洗液中N和K的含量随着沸石用量水平的增加而下降，不同水平沸石处理的淋洗液中P含量都极低。

Irreversible sorptions of pesticides Azinphos-methyl,Diuron,Atrazine and Prometyn on Kaldenkirchen soil were studied by a method of soil column liquid chromatography with stepwise adsorption/desorption .

利用土壤柱液相色谱多级吸附/脱附法研究了保棉磷、敌草隆、莠去津和扑草净在土壤中的不可逆吸附及其影响因素。

Herbicidal active ingredient extracted, isolated and identified from Paulownia tomentosa Steud against Amaranthus retroflexus L., Lactuca sative var.capitata L.

采用活性追踪和柱层析技术，以对杂草反枝苋、生菜、黄瓜种子胚根生长的抑制作用为指标，对泡桐花中除草活性成分进行了提取、分离和鉴定。

Methods: In this report, the phosphorus oxychloride in the air of workplace site was collected by absorb liquid and turn into hydrochloric acid, then separated in column and detected with conductivity detector, qualified by elution time and quantified by peak height or peak area.

本文采用吸收液采集工作场所空气中的三氯氧磷，生成盐酸，经色谱柱分离，电导检测器检测，保留时间定性，峰高或峰面积定量。

5 Mol/L nitric acid solution in nozzle plate pulsed column have been studied.

研究了喷嘴板脉冲萃取柱中正辛醇- 0 5mol/L硝酸体系的液泛通量、分散相存留分数等流体力学特性。

Plunger piston should be rebuilt to reduce cost after it was worn seriously. Laser cladding Ni＋WC power technology had been used to repair plunger piston surface.

国外进口的薄板高压水除鳞机用柱塞在使用过程中受到严重磨损后，需对其表面进行修复以继续使用。

Application of soft plunger pump with hydraulic start-up in sand producing block［J］.

液力启动软柱塞抽油泵在出砂区块生产中的应用［J］。

Under normal circumstances, hydraulic components are not interchangeable with the couplings, but in practice some redeployment of the plunger pump repair is feasible.

通常情况下，液压元件的配合偶件是不能互换的，但在实际中有的中开泵泵重新调配柱塞进行修复是可行的。

Under normal circumstances,hydraulic components are not interchangeable with the couplings,but in practice some redeployment of the plunger pump repair is feasible.

通常情况下，液压元件的配合偶件是不克不及互换的，但在实际中有的中开泵泵重新调配柱塞进行修复是可行的。

Results the factors in the pre-experiment have obvious effects. the best method was as follows: powder of 200 mesh, reflux, macroporous resin column chromatography.

结果预试验中各因素对结果均有影响，最好的方法为：80目细粉，回流，大孔树脂柱层析。

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％。