减压的

Result: The anticancer active component includes: taxol 9.45%、cephalomanine: 9.63%、10- deacetylbaccatinⅢ: 22.64%、total flavonoids: 19.15%. 3. The preparation of Seiadopitysin control Methods: Take dry Ginkgo leaves and extracted three times by sonication with 95% EtOH, solutions were concentrated under vacuum, after defatting by petroleum benzin, the sample was extracted with EtOAc and the solutions were concentrated under vacuum.

金松双黄酮对照品的制备方法：取干燥银杏叶以95％乙醇超声提取3次，提取液合并，减压浓缩，石油醚脱脂后，用乙酸乙酯萃取，萃取液减压浓缩，经硅胶柱(6cm×80cm)层析，石油醚-乙酸乙酯(9∶1～5∶5)梯度洗脱，产物用甲醇多次冲淋，再以二甲基甲酰氨溶解，反复重结晶，得黄色粉末结晶。

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Therefore, the piston valve to be installed before the filter; for new installations or long-term out of the Balance Valves valve, must be open inspection and cleaning.

所以，活塞减压阀前必须安装过滤器；对于水力控制阀新安装或长期停用的减压阀，一定要拆开检查和清洗。

In a system with only one pump, reduced pressure for one branch of the circuit can be obtained with a pressure-reducing valve.

在只有一个泵的系统中，为一条支路减压可通过减压阀完成。

If the system is not rated for full cylinder pressure, a pressure-reducing regulator must be used and the system should be protected with a pressure-relief device.

如果系统额定压力低于满瓶的压力，必须使用减压调整器，同时应该用减压装置来保护系统。

Stainless steel gasreducer:Double stage type diaphragm pressure-reducing structure and stainless steel diaphragm are suitable for corrosive gas,standard gas,clean gas and mixed gas.

不锈钢气体减压器：单级式膜片减压结构，不锈钢膜片，保证输出压力的稳定，适用于腐蚀性气体、标准气体、纯净气体、与混合气体。

Stainless steel gasreducer:Double stage type diaphragm pressure-reducing structure and stainless steel diaphragm are suitable for corrosive gas,standard gas,clean gas and mixed gas.

不锈钢气体减压器：双级式膜片减压结构，不锈钢膜片，保证输出压力的稳定，适用于腐蚀性气体、标准气体、纯净气体、与混合气体。

Stainless steel gasreducer:single stage type diaphragm pressure-reducing structure and stainless steel diaphragm are suitable for corrosive gas,standard gas,clean gas and mixed gas.

黄铜气体减压器：单级式膜片减压结构，不锈钢膜片，保证输出压力的稳定，适用于腐蚀性气体、标准气体、纯净气体、与混合气体。

Summary : Pressure relief valve and pressure reducing valve sometimes adjust to press out of order in the usage process , this is mainly because of block of damp finestra of the valve element or pilot valve .

溢流阀，减压阀这两种压力控制元件在液压设备中用处很广泛，溢流阀作用是调节系统压力，减压阀作用是减少某一支路的压力。

The MRI findings of acute spinal cord decompression sickness had some characteristic, and it was easy to diagnose by combining diving history with clinical situation.

急性脊髓型减压病的MRI表现具有一定特点，结合潜水并违规减压史和临床表现容易做出准确诊断。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。