A description was made about the method to distinguish two kinds of sand inclusions caused by different reasons and how prevent sand inclusion by improving sand quality control and foundry method.
论述了铸铁件中两种不同成因的砂眼的判别方法及如何从型砂品质管理和工艺改进来防止砂眼的措施。
The paper disserted in brief the principle of stemming the blisters in the compressive casts with high strenghth adhesive, the choice of adhesive raw materials and the design of adhesivecompositions and expounded the practical construction process.
简要论述了用高强度胶粘剂对耐压铸件砂眼的堵漏方法、胶粘剂原材料的选择、配方设计及具体的施工工艺。
The cerebral protective effect of eye acupuncture on acute cerebral ischemia in rats;
眼针对急性脑缺血大鼠的脑保护作用
Observation on the Therapeutic Effect of Eye Acupuncture for 42 Cases of Sudden Deafness;
眼针治疗突发性耳聋42例疗效观察
Objective:To observe the effect of EEG on vascular dementia by treatment of eye acupuncture,body acupuncture and Nicergoline tablets.
目的:观察眼针、体针与思尔明(以下简称药物)对血管性痴呆(简称VD)脑电图的影响。
Objective: To See The changes of region-cerebral blood flows and the cerebral metabolism before and after ocular acupuncture.
目的:观察施眼针前后局部脑血流和脑代谢情况,探讨眼针治疗脑梗死疗效机理。
To evaluate the immediate effect of ocular acupuncture on patients, an method of SPECT image of cerebral blood flow daily stress test was established.
为了评价眼针疗法对脑梗塞患者时即时疗效,本工作以99Tcm-ECD为显象剂对脑梗塞组10人先后两次进行SPECT脑血流显像,利用图像减影技术及局部感兴趣区半定量分析法观察治疗后局部脑血流量(rCBF)的改善率。
Objective: to evaluate the effect of ocular acupuncture which cured cerebral infarction; to explore the mechanism which ocular acupuncture cured cerebral infarction.
目的:评价眼针治疗脑梗塞的有效性,探讨眼针疗法治疗脑梗塞的疗效机理。
the tip of an abscess (where the pus accumulates).
砂眼的尖头(脓聚集的地方)。
Causes and Solutions of Sand Hole in Steel Casting with Air Impact Molding
气冲造型铸钢件砂眼成因与解决措施
The Mathematical Diagnosis of the Fridge Evaporator Sand Hole Equal Initial Depth;
电冰箱蒸发器砂眼平均初始深度的数学诊断
Design and Exploitation for Controlling-online System of 06A Cylinder Block Sand-hole Objection
06A汽缸体砂眼缺陷在线控制系统的设计开发
Oily or greasy surfaces repel fluxes, leaving bare spots that oxide and result in voids and inclusions.
油脂表面会排斥焊料,留下氧化物裸点,并导致砂眼和杂物。
Centrifugal casting,compact structure,free from pinhole porosity and slag,smooth surface and even wall thickness.
高速离心铸造,组织致密,无砂眼、夹渣,表面光滑、壁厚均匀。
Centrifugal casting, compact structure, free from pinhole porosity and slag, smooth surface and even wall thickness.
高速离心铸造,组织致密,无砂眼、渣,表面光滑、厚均匀。
Blisters are not acceptable. Improper adhesion which exposes bare metal is not acceptable.
砂眼不可以接受.暴露金属底材的电镀附著不可接受.
partially sand packed perforation
地层砂部分充填的炮眼
For a moment, the sandstone banks appeared, and in a flash they were gone.
砂岩的河岸出现在眼前,然后一闪即逝。
There is a piece of dust in your eye but it should work out by itself.
你眼里有一点小砂粒,可它是会自己出来的。
Research on Sandstone Borehole Enlargement Mechanisms and Prevention Technology in Lamadian Oil Field
喇嘛甸油田砂岩井眼扩大机理和预防技术研究
Research and application of open-hole gravel pack sand control technique optimization in horizontal well
水平井裸眼砾石充填防砂工艺研究与应用
Field Application of Sand Control Technology in Open Hole Horizontal Wells
孤岛油田水平井裸眼防砂技术的矿场应用
Study on the Model of Stress under Refracture Around the Well of Sandstone Reservoir
砂岩储层重复压裂前井眼围岩地应力模型研究
Horizontal Well Open Hole Gravel Packing Sand Control Completion Technique Used in Zhaodong Block,Dagang Offshore
大港滩海赵东区块水平井裸眼砾石充填防砂完井技术
The service Department of Nitro Nobel AB has developed a drilling method which can also be used in sandpits to eliminate overhang.
诺贝尔炸药公司业务部研究成功一种打眼方法,可以用来排除采砂场中的突出部分。
cord, foundry, used in the reparation of sand moulds
翻砂型芯,用于制备砂型
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