An automatic topdressing system was designed on the base of the principle of hydrokinetics using energy of static pressure for pipe irrigation and the feature of Venturi pipe in solar greenhouse.
依据流体动力学原理,利用日光温室管网灌溉的静压能和文丘里管的特性,设计出在日光温室正常灌溉情况下的自动施肥系统。
This paper introduced the working principles of ceramic tile die with static-pressure, structure type of upper punch and method of optimal design.
介绍了等静压瓷砖模具的工作原理、上模芯的结构形式和优化设计的方法。
Hydrostatic pressure testing of the inlet valves (with open and closed disc) under a pressure of 1, 5 times the maximum static pressure plus water hammer for 30 minutes.
持续30分钟1.5倍的最大静压与水锤压力下,对入口阀(带打开和关闭盘)的静水压试验。
Sometimes, this increase can overcome the static pressure rating of the fan motor and reduce the volume of air through the unit.
有时候,这种增量可以克服风扇电机的静态压力,并减少系统中空气的容量。
Desorption of methane gas is controlled by the static pressure of formation water. Drainage of formation water provides pressure difference and space for gas desorption.
地层水的静水压力控制了甲烷气的解吸作用,地层水的排出可为气体的解吸提供压力差和空间。
The construction of static pressure is to press the pile into the soil with reaction force provided by the static pile driver weight, and balance weight on the rack.
静压法施工是通过静力压桩机的压桩机构以压桩机自重和机架上的配重提供反力而将桩压入土中的沉桩工艺。
It also contains fan curves defining volume or mass flow rate versus static pressure difference for selected industrial fans.
它也包含为了被选择的工业的未定定义相对于静态的压力差异的量或者大规模流量的未定曲线。
It is pointed out that the external causes of cracks originating are effected by static pressure, thermal stress and structural shrinking stress and etc.
指出裂纹产生的外因是钢水的静压力、热应力、组织收缩应力和其它外力的作用。
SL201 adopts dynamic pressure protection. Compared with domestic products, which only use static pressure protection, SL201 achieved constant pressure during pressure protection.
SL201型半自动压样机采用动态保压,相比国内同类产品的静态保压,它真正做到了在保压时维持压力不变。
The pump motors shall be designed to withstand 150 feet of static pressure.
泵电机应该能够承受水深150英尺的静态水压。
The reason that supply air is not uniform for traditional air conditioning system of passenger car are analyzed, the design methods of static pressure supply air duct are given.
对传统铁路客车空调系统送风不均匀的原因进行了详细分析,同时介绍了静压送风道的结构,对不同类型的静压送风系统进行了送风均匀性测试。
Hence, for improving the uniformityof air supply and the performance of the duct, it is of great importance to studythe rules of resistance distribution in static pressure air supply duct.
研究静压送风道的阻力分布规律,对提高送风均匀性和改善送风道性能有重要意义。
The effect of blasting on the rock medium is composed of the dynamical pressure of explosive shock wave and quasi-static pressure of explosive gas.
爆炸荷载对爆破介质的作用是由爆炸冲击波的动态作用和爆轰气体的准静态压力作用两部分组成。
And adjustable speed the variable air volume air conditioning automatic control system saves energy through setting different static pressure values in different time periods.
变风量空调控制系统以变频调速为手段,分时段设定静压值以实现节能。
The basis of static pressure test for vessels under external pressure and vacuum vessels being done with internal pressure is elaborated.
阐述了对外压容器和真空容器以内压进行压力试验的理论依据和合理性。
The static pressure is greatest where gas flow is zero, that is, at the front of the motor.
静态的压力是最大的地方气体流量是零,即是在前面的汽车。
Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).
实验中对不同雷诺数、不同出流比时通道端壁表面的静压分布、压力损失系数、弦向流量分配以及换热系数进行了测量。
Wind pressure, against the wind, leeward, windward, static pressure, dynamic pressure, overall pressure, thermal pressure.
风压,迎风面,背风面,上风,静压,动压,全压,热压。
This paper presents a fracture mechanics model of smooth blasting and pre-split blasting, analyzes the function of stress waves and quasi-static pressure of explosion in blasting process.
本文提出了光面爆破和预裂爆破的断裂力学模型,分析了应力波、爆生气体准静态压力在爆破破裂过程中的作用。
Engineers tried to adopt the anchor rod static pressure pile technology in design of tower crane foundations and this technology can improve synthetical benefit of projects.
针对这一情况,尝试在塔式起重机基础中应用锚杆静压桩,这对提高工程综合效益具有较大的意义。
The jacked pile, as one of the types of pile foundation engineering, overcomes the resistance of soil and sinks to the preset level by less static pressure while affording a larger bearing capacity.
压入式沉桩是以较小的静压力,使桩克服土体的阻力,把预制钢筋混凝土桩沉入预定的标高,从而获得较大的承载力的桩基工程。
The article studies structure and principle of ADC. Then principle of calculate in ADC and the form procedure of static pressure source error are discussed.
本文研究了某型号大气数据计算机组成、结构以及工作原理,并分析大气参数的计算原理和静压源误差的形成以及修正原理。
After the theoretical basis of air-bearing system, the design of air static pressure bearing and the technology of key accessory are stated.
其中包括气悬浮测振支承理论的基础、气体静压轴承的设计、关键零件的技术要求和加工工艺等。
The static pressure gradient in cyclone air classifier can have influence on the test and measurement for its flow fields by five-hole probe.
用五孔探针测试旋流式气力分级机流场时,分级机内存在的静压梯度会对测试产生影响。
This thesis investigated transonic cascade of a certain compressor in order to increase the static pressure ratio of the cascade and reduce the coefficient of the cascade losses.
本课题以某型压气机的跨音速叶栅为研究平台,以提高叶栅静压增压比,减少叶栅流动损失为目标。
The work principle of HTG is that medium quality in oil tank is measured with the method that static pressure of bottom of oil tank is measured with pressure or differential pressure transmitter.
静压法储罐计量系统(HTG)的原理就是用压力或差压变送器测量油品介质作用在罐底部静压的方法来测量储罐内介质质量。
Numerical method is used to study the static pressure distribution in the headers with steam flowing in and flowing out radial.
利用数值模拟的方法,研究了径向引入引出型分配、汇流集箱系统的静压分布规律。
Numerical method is used to study the static pressure distribution in the headers with steam flowing in and flowing out radial.
利用数值模拟的方法,研究了径向引入引出型分配、汇流集箱系统的静压分布规律。
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