压力室

改进的作物水分关系PV曲线的压力室分析技术

Improved Pressure Chamber Technique For PV Curve Analysis Crop Water Relations

以25年树龄的挪威云杉树冠中部生长1年的小枝为测试材料，应用电子控温压力室，分别在15、20、25、30和35℃的恒温条件下进行PV分析所得到的水分参数表明；

One year old branches of 25 years old Norway spruce are taken from middle layer of canopy , and their water parameters are measured in a pressure chamber electrically controlled at 15,20,25,30 and 35 ℃ .

在HC排放量上，无压力室喷油器有很明显的优势。

On the other hand , the VCO nozzle has obvious advantage in the HC emission .

应用压力室和PV技术测定四个树种多项水分参数，并对四树种渗透调节和维持膨压能力进行综合评定；

The water parameters were calculated by using Pressure-Volume technique , also the abilities of maintaining turgor and adjusting osmotic potential of the four species were comprehensively evaluated .

在不控温条件下应用Hammel逐渐升压法进行PV分析时，压力室温度比室温高1&2℃，所得结果与同样温度控温所测结果相似。

Similar results are obtained using Hammel 's method of gradually increasing pressure without temperature control .

在控制土壤磷素供应水平及控制灌水量的盆栽试验中，采用静态压力室法测定了三叶期大麦根系导水率（Lpr）的变化。

At different phosphorus levels , pot experiments , in different irrigations ( normal water supply , medium drought stress , drought stress ), were carried out to determine the varieties of root hydraulic conductance ( Lpr ) of barley in a pressure chamber .

压力室测定根系导水率方法探讨

Probe the method of measuring root system hydraulic conductivity using pressure chamber

双活塞多功能三轴压力室的研制及其应用

Development and application of twin-piston multipurpose triaxial pressure chambers

两个压力室的分隔部件，应对部件的的每侧提供一个腐蚀余度。

Other parts add1 / 2 of the specified corrosion allowance on each side .

低温钳位静水压压力室的构造。

Construction of low-temperature clamped hydrostatic cells .

用压力室测定植物水势具有操作简便，仪器制作便宜等优点。

The pressure-bomb is characterized by its easier operation and cheap cost of the equipment .

测定植物水势的压力室装置

Pressure-bomb Determining Water Potential of Plant

在此基础上，开发研制了适用于土工三轴试验的数字图像测量系统，具体工作包括三轴压力室的改制、硬件配备和软件开发等。

The concrete work includes hardware preparation , software development and modification of some attachments of general triaxial apparatus .

应用压力室技术对晋西北7个乡土造林树种的水分参数进行了研究，分析了各树种的抗旱性及其季节变化规律。

The water parameters and their seasonal changes of seven trees are studied by using pressure bomb technique under field condition .

通过现场取样，采用自行研制的重力杠杆式岩石蠕变试验机，并配备三轴压力室，对泥岩进行了三轴蠕变试验。

Triaxial creep test is made for mudstone with the authors-developed gravitation lever style rock creep test machine and triaxial pressure cell .

本文介绍了压力室装置的原理和制作方法以及操作过程。

The working principle and manufacturing process of the pressure-bomb determining the water potential of plant and the operating method are briefly introduced in the study paper .

此外，笔者提出了若干新的概念和考虑了针阀和压力室形状对射流雾化的影响。

In addition , we suggest some new concepts and consider the effect of the shape of pin valve and pressure chamber on the atomization of a jet .

文中分析了针阀流通面积、针阀运动的泵吸容积、压力室容积的大小与柴油机循环喷油量的关系，以及它们对喷油过程和柴油机性能的影响。

Relationship between needle flux section , volume caused by needle 's movement , section volume and fuel delivery per cycle per cylinder and their effect on injection and performance of diesel engine were analysed .

通过实验加工可以得出，喷孔流量和压力室杂散腐蚀程度达到设计技术要求，工件去毛刺效果好。

It can be concluded that both the flow of injector orifice and degree of stray current corrosion in pressure chamber reach the designed technical requirements , and the deburring effect is good on the workpiece .

该评价装置包括人工井壁模拟装置、高温高压三轴压力室、温度、压力和围压控制系统、钻井液动态循环系统以及数据采集与处理系统。

It consisted of simulation setup of artificial borehole well , HTHP triaxial well , control system of temperature , pressure and confining pressures , dynamic circulation system of drilling fluid and data acquisition and processing system .

基于试验性研究分析，得出在相同工况下，无压力室喷油嘴比小压力室喷油嘴在废物排放及燃油消耗方面都有所改善，基本实现了预期的改进设计目标。

Based on the test analysis , that in the same condition , without pressure chamber nozzle is smaller than the pressure chamber injector in waste emissions and fuel consumption is improved somewhat , basically achieve the expected design target .

在上海中药制药一厂（shanghaino.1tcmfactory），引人注目的不是压力控制室里在身着白大褂的技师监督下、从锃亮的机器里生产出的棕色小药丸，而是药品的成份。

It is not the small brown pills that stand out at the Shanghai No.1 TCM factory , produced by shiny machines inside pressure-controlled rooms and supervised by technicians in white coats . It is the ingredients .

从压力通迅室的顶部到底部可获得分层气流温度。

A temperature stratification from the top to the bottom of the plenum is obtained .

计算结果显示，在各种不同的载荷密度和水/药质量比参数条件下，冲击波峰值压力和气室压力均得到明显的削减。

Significant mitigation effects on shock pressure and final static gas pressure have been obtained at various loading densities , as well as various water / explosive mass ratios .

介绍了可用于超细加工中准确测量产品尺寸和相对位置的压力控制室的气压控制方法、控制模型及其模拟装置、控制系统。

Presents pressure control methods , models , simulation devices and control systems of the models for pressure chambers within which a constant pressure level is kept for precise measurement of workpiece dimensions in superfine machining .

术中冠脉压力下降、室颤、术后压迫血管止血时间、卧床时间、穿刺部位血管并发症较6F导管组明显减少（P<0.05）。

But the incidence of the coronary artery pressure decreasing and ventricular fibrillation , the time to stop bleeding , the bedrest time and vessel complication in 5F group were less than those in 6F group ( P < 0.05 ) .

所得到的塑性区应力、塑性区半径、围岩压力和硐室周边位移等研究结果，与基于理想弹塑性体的Fenner解答相比，要更接近实际硐室围岩中的对应量值。

The research results of plastic zone stress , plastic zone radius , surrounding rock pressure , and surrounding rock displacement are more nearly actual correspondence values of cavern surrounding rock with Fenner solution based on ideal elastoplastic materials .

冠心病舒张早期左室压力分析左室舒张功能不全

Analysis of left ventricular pressure during early relaxation in coronary artery disease

【结论】①氧化应激在主动脉缩窄压力负荷左室心肌肥厚中起重要作用。

【 Conclusion 】① Oxidative stress plays important role in pressure overload induced left ventricular hypertrophy .

下箱体为床层提供了一个稳定的具有一定压力的风室。

Box under the bed to provide a stable with some pressure on the Wind Room .