By the method of freeze-gel casting,with inducement of temperature gradient,a solid loading of 20vol% slurry constituted of tert-butyl alcohol,acrylamide and alumina powder was used to fabricate porous alumina ceramics green bodies with directional pore channels structure.
由叔丁醇、氧化铝、丙烯酰胺组成的20%(体积分数,下同)陶瓷浆料,在温度梯度的诱导下,用冷冻-凝胶成形法制备了具有定向通孔结构的氧化铝陶瓷坯体。
The axial-axial flux compound-structure permanent-magnet synchronous machine is the key part of a novel serial-parallel combined hybrid system.
本文所研究的轴向-轴向磁通复合结构永磁同步电机系统就是一种新颖混联式混合动力系统的核心部分,它的研究对混合动力电动汽车的环保和节能具有实际意义。
Fabrication of Porous Alumina Ceramics with Directional Pore Channels Structure by Freeze-Gel Casting Processing
冷冻-凝胶成形法制备定向通孔氧化铝陶瓷
directional single-plane jet perforator
单面定向聚能弹射孔器
Recently, a common method is fixing direction of drill hole, not considering anisotropy of rock body.
目前,通用的设计方法是不考虑岩体的各向异性而采用固定的钻孔方向.
PREPARATION OF ORIENTED POROUS CERAMICS BY DIRECTIONAL SOLIDIFICATION AND FREEZE-DRYING METHOD
定向凝固和冷冻干燥制备定向多孔陶瓷
The construction craft research of directional note thick liquid water shutoff drill hole in the depletion region
过煤矿采空区定向钻孔施工工艺研究
Study on axial vibration drilling to improve positioning accuracy
轴向振动钻削提高钻孔定位精度研究
AN EFFECTIVE STRESS LAW FOR ANISOTROPIC MULTI-POROSITY MEDIA
各向异性多重孔隙介质有效应力定律
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
That can pass through a given pore size.
可滤过的能通过一给定微孔尺寸的
″It Is a Pleasure to Review Frequently While Learning″--Reflections on the Trend of Chinese Philosophy from Confucius Theory on ″Learning″ Be widely versed in culture and at the same time knows how to submit it to the restraints of ritual;
“学而时习之,不亦悦乎!”——以孔子论“学”为通孔反观中国哲学之走向
free of obstruction by blowing air through.
通过鼻子向外呼气以达到鼻孔内无障碍。
Usually filled with air and perforated to reduce friction from web travel. Also called Turner bar or Turning bar.
转向棍通常是有小孔和充气,用以减少摩擦。
The cross-sectional areas of the pore openings vary along their length.
孔隙通道的横截面面积沿其长度方向变化。
New Structure of Slip Ring with Own Axial Ventilation Holes and Centrifugal Blades in the Winding Rotor Motor
具有轴向通风孔和离心风叶的绕线电机滑环
Heat Transfer Investigation of Internal Passage in Trapezoidal Ducts with Ejection Through the Suction Holes
带侧向出流孔的梯形通道内部换热特性实验
Pore Nucleation and Growth Mechanism of Porous Materials by Gas-solid Eutectic Growth for Upward Directional Solidification
共晶反应定向凝固工艺制备多孔材料气孔形成和长大机理
Cultural Predetermined Orientation and Model in Behaviors--Take Confucius as Centre
文化定向与范式人格——论孔子在中国文化定向中的特殊作用
Of course, one should be scrupulous when drilling through the surface of a mural.
当然,透过画面向岩石钻孔一定要慎之又慎。
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