液压

the mechanization degree of we-30 hydraulic pressure universal testing machine is low, and the precision and the reliability are bad.

摘 要： we-30型液压万能材料试验机机械化程度低，精度和可靠性差。

Firstly, the testing rig were introduced including mostly instrument, meter and its demarcator.

纯水液压控制阀加工完成后需要对其性能进行实验研究，以验证其零部件之间的性能匹配。

Linear hardening model is used for residual stresses after autofrettage pressurization and after autofrettage depressurization.

采用线性强化模型，得到了液压联轴器外套自增强卸载后的残余应力、自增强压力和安装后的应力公式。

Space of second-hand equipment purchase and sale of oil company mainly sells its products has 200A-3 Oil Press ,202-3 pre-pressing machine, 240 , 204-type pre-100cmx150cm of the roller pressing machine, hydraulic rolling machine embryo, dryers, vibrating fluidized bed dryer, frame-style crude oil filter machine, centrifuge, deodorization tank, detreated cans, refining cans, soap off machine, than with mixers, heating cans, dewaterer......

航天二手油脂设备购销公司主要销售产品有200A-3榨油机、202-3预榨机、240型、204型预榨机100cmx150cm对辊，液压轧胚机、烘干机、振动硫化床干燥机、板框式毛油过滤机、离心机、脱臭罐、脱色罐、精炼罐、脱皂机、比配混合机、加热罐、脱水机。。。。。。

When the valve C dextrocardia access loop, due to the flow through the control valve B than A small adjustment, so enter the flow of hydraulic cylinder controlled by a control valve B.

当阀C右位接入回路时，由于通过调速阀B的流量调得比A小，因此输入液压缸的流量由调速阀B控制。

At the end of diastole, your heart's atria contract and pump blood into the ventricles.

当舒张期结束时，心房收缩将血液压入心室。

On the subject of the composition and working principle of the proposed system, the control module, motor diffluence module and distribution module of hydraulic system, position detecting module and PLC control module of electric system are analyzed and designed.

针对该系统的组成和工作原理，具体分析设计了液压同步控制系统的控制阀组、马达分流模块、配油模块；电气同步控制系统的位置测量模块、 PLC 控制模块等。

The conclusion is of great significance to the design of the digital hydraulic control valve.

研究结论时数字式液压阀的设计具有重要意义。

The docked cell was perforated in the electrophoretic buffer containing digitonin and was lysed under a direct current electric field.

单个细胞用液压导入到双T的交界面，在电泳缓冲液中毛地黄皂苷的作用下，细胞膜被穿孔。

Fault diagnosis; chaos theory; correlation dimension; wavelet analysis; virtual instrument; hydraulic pump

故障诊断；混沌理论；关联维数；小波分析；虚拟仪器；液压泵

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。