您要查找的是不是:
- Characteristic study of an inlet flow-through drag reduction method on solid-ramjet engine 一种固冲组合发动机进气道通气减阻方案的特性研究
- drag reduction method 减阻方法
- The MHD control of drag reduction in pipe flow is studied through DNS. 利用直接数值模拟研究了圆管湍流减阻的电磁力控制问题。
- The laboratory evaluation method and apparatuses on drag reduction, viscosity reduction and anti-wax for the internal wall coating and additives of pipeline of crude oil were summarized. 随着人们对原油减阻防蜡研究的深入,实验室评价装置和性能测试方法也将进一步得到完善和发展。
- The paper presents an engineering calculation method for the base drag of base bled projectiles based on the base drag reduction characteristics duo to base burning of fuelrich solid fuels. 给出一种以固体燃料底排减阻特性为基础的底排弹底阻工程估算方法。
- Thus a comb notch filter based new interference reduction method is proposed. 文中提出了一种梳状陷波器干扰抑制新方法。
- drag reducting method 减阻方法
- Drag reduction with W/O polyacrylamide latex(PAM)in water was studied in thispaper. 研究了W/O型聚丙烯酰胺(PAM)胶乳在水中的凉阻性能。
- The new type of rheology controller has its application potential in drilling, Enhanced Oil Recovery (EOR) and liquid transportation drag reduction. 这种新型流变控制剂在钻井、提高采收率以及流体输送减阻中具有潜在应用价值。
- The drag reduction of the notchback car platoon is the most, that of the squareback is the next, and the fastback is the least. 阶背式轿车队列的平均减阻率最大,直背式次之,快背式最小。
- The pour point depressant(PPD)and drag reduction agent(DRA)play a key role in the oil transportation in Kelamayi Oilfield. “两剂”(降凝剂和减阻剂)在克拉玛依油田原油外输中发挥了非常重要的作用。
- The paper also gives a rule reduction method to make the results succinct and understandable. 此外 ,还提出了一种分类规则约简方法 ,使挖掘的结果更简洁、更易理解
- Based on theoretical analysis, microbubble drag reduction is due to structure change of turbulent boundary layer caused by the microbubbles. 理论分析提出微气泡降阻机理在于其引起湍流边界层结构的变化;
- Superoxide (O-2) from zymosan-stimulated neutrophils of rat was measured by NBT reduction method. 用NBT还原法测酵母多糖A刺激大鼠中性白细胞产生的O2-;
- It is found in the experiment that the bigger the WCA or the more hydrophobic water is, the more remarkable the effects of drag reduction would be. 因此,利用激光刻蚀表面方法可以在一定程度上调控固体表面的疏水性进而控制减阻特性。
- Superfine silver powder was prepared by water-hydrazine hydrate chemical reduction method. 介绍了电子浆料用超细银粉的研制,采用的是水合联氨化学还原工艺。
- The site application shows that HG type DRA has remarkable drag reduction effect and throughput increasing capacity for imported oils. 现场应用结果表明,HG减阻剂对于多种进口原油均具有较好的减阻效果和增输能力。
- An energy reduction method for screw feeder of defibrator was described based or related theory. 依据理论得出螺旋进料器降能的方法,该方法可用于热磨机的改造之中,实践证明这种方法是可行的。
- The bio-inspired anti-adhesion and drag reduction technology has become a new field of the research and applications of biomimetics. 这种基于非光滑表面的仿生减阻抗粘技术已成为仿生学研究和应用的一个新领域。
- This thesis investigated firstly the synthesis of ultrafine nickel powders by liquidphase reduction method. 本文首先研究了液相还原法制备超细镍粉。