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- When the temperature difference between crude oil and wall of pipeline is same,the wax deposition rate is different. 在原油与管壁温差相同时,不同温度段蜡沉积速率并不相同,存在蜡沉积高峰区。
- In summer,the variation of wax deposition rate is little along the Tieling-Qinhuangdao pipeline. 夏季蜡沉积速率更小,且沿线变化不大。
- Wax deposition rate model for crude oil pipeline based on neural network 基于人工神经网络的原油管道蜡沉积速率模型
- wax deposition rate 蜡沉积速率
- Rainfall will greatly enhance the deposition rate. 而下雨亦可增加沉降率。
- The Model Loop System studying the characteristics of wax deposition is presented. 使用室内试验环道研究了青海原油的石蜡沉积特性。
- Numerical simulation of flow and temperature field in the test tube of Model Loop Wax Deposition Apparatus was performed. 对模型环道蜡沉积装置测试段流场温度场进行了数值模拟。
- The relationship between the flow rate of Freon (CCI2F2) and deposition rate and efficiency is obtained. 本文研究了不同掺氟量对沉积速率及沉积效率的影响;得出了氟利昂流量与沉积速率及沉积效率之间的变化规律;并试验了沉积温度、热区宽度对掺氟的影响.
- The results showed that KI was a highly efficient stablizer with constant deposition rate in a very wide content range. 结果表明 :碘化钾是一种很有效的稳定剂 ,并且在极宽的浓度范围内可使镀液稳定 ,镀速基本保持不变 ;
- The purpose of this article was to increase the deposition rate of mickel plating so as to improve the productivity. 为提高电镀镍的沉积速率以提高劳动生产率,采用自行研制的离心高速电镀镍装置。
- SO4, having a strong polarity, is excellent in corrosion resistance as well as in resistance to wax deposition on surface.It is therefore concluded that SO4 can be a commendable coating materia... 极性较高的SO4涂料具有优良的防腐性能,且对石蜡在其表面的沉积具有缓解作用,说明涂有SO4涂料的覆盖层具有较好的防蜡效果。
- Abstract: Effects of accelerating agent A 1 on deposition rate and stability of EN soln. 摘 要: 研究了加速剂A 1对化学镀镍反应速度、稳定性及镀层耐蚀性的影响。
- The deposition rate,morphologies,breakdown voltage and refractive index were studied. 研究了制备工艺对薄膜沉积速率、表面形貌、折射率和电击穿场强的影响。
- Each gallium oxide thin film prepared in different deposition rate has its own optimal operation temperature. 不同的蒸镀速度所制备之氧化镓薄膜,有不同的最佳感测温度。
- Based on the calculation of the insulation effect of wax deposit and the initial design of floating wax pig.the necessary conditions for floating/wax cleaning transportation process is given. 通过对含蜡层保温作用的计算及浮动清蜡器的初步设计,给出了浮动清蜡工艺输送的必要条件,分析了浮动清管输送工艺的安全性。
- The movement of the best lending rate quoted by major banks matched that of the savings deposit rate. 各大银行所报的最优惠贷款利率走势,与储蓄存款利率的变动一致。
- Cleaning of the volume pipe shall be made before recalibration to remove greases in the standard section of the pipe and wax deposited in pipe wall. 在复检前需要对体积管进行清洗,去除体积管标准段内的油垢和管壁上的结蜡,如果清洗不彻底,将直接影响体积管的标准体积及准确度。
- We found that sputtering pressure and sputtering time determine the deposition rate and thickness of the A1 film, respectively. 溅射气压和时间分别影响铝层在氟塑料表面的沉积速率和生长厚度。
- Accelerator A enhanced the deposition rate through its promoting the oxidation of H 2PO - 2 and decreasing the activation energy for deposition. 加速剂的加入,提高了 H2 P O-2 的氧化能力,使反应激活能降低,因而加速了化学镀镍沉积反应