Good explosion proof, safety and security, self-protection against temperature, pressure and etc provided. 防爆性能好,安全可靠、温度、压力等自动保护项目齐全可靠。
The proof pressure elastic body is filled in the cushion, which can reduce the shock to make the riding more comfortable. 坐垫内填充耐压弹性体,可减少震动骑行更舒适。
Gas proof cementing technology in low pressure mud loss layer in Hade Oilfield of Kazakhstan 哈萨克斯坦哈德油田低压易漏层防气窜固井工艺
Investigation has proved that this material has good corrosion resistance and can resist stress-corrosion cracking so that in can be applied to a variety of corrosion-proof engineering components and high-pressure corrosion-resistant tube materials. 研究证明该材料具有良好的耐蚀性和耐应力腐蚀开裂性能,可应用于各种耐蚀工程构件和高压耐蚀管材。
Considering synthetically the influence of pressure proof, energy consume and investment of the equipments, the satisfied backflushing operation parameters are determined: backflushing pressure is 0.4 MPa, backflushing time is 3 second. 从设备的耐压、能耗、投资等方面综合考虑,确定了反冲压力为0.4MPa,反冲时间为3s;
Its explosion proof property, over speed and over reel control, prevention of high and low hydraulic pressure, and coordination of braking and hoisting are the key and core points for safety design. 液压提升机的防爆、提升过程中的超速、过卷保护、液压系统的高、低压保护及升降与制动工作协同性是其安全性设计的核心与关键。
In accordance with the nonlinear shallow water equation system, we prove that the nonlinear dynamic equation system does not have travel wave solutions. This equation system controls the water wave motion and the proof is carried out under the static pressure approximation conditions. 从流体运动的浅水模式的非线性方程组出发,严格证明了在静压近似条件下,控制水波运动的非线性动力学方程组无行波解的结论;
Conditions of Untaking Strength Proof in the Pressure Testing for Pressure Vessels 压力容器压力试验时免作强度校核的条件
Proof test with water pressure could greatly reduce the failure probability of pipelines in service. 利用水压试验方法可以明显地降低管道在运行时的断裂失效概率。
Flame proof high pressure soft starting equipment applied in coal mine 隔爆高压软启动设备在煤矿井下的应用
On Some Disputing Points of Pressure Vessels in Pressure Proof Tests The Design and Study of Bearing Pressure Capability and Gas Tightness Checking System 压力容器耐压试验中几个有争议的问题述评耐压及气密性试验系统的研制
The gas well abandonment production and abandonment flowing wellhead pressure can be determined by economical evaluation and ground engineering proof, then the abandonment flowing bottomhole pressure can be calculated according to the technique of vertical pipe flow, and the more accurate AFP can be obtained finally. 以经济评价结合地面工程论证,确定气井废弃产量和废弃井口流压,进而根据垂直管流法计算气井废弃井底流压,最终求得较可靠的废弃地层压力。