While soluting the quality trouble of Al-alloy in resistance spot welding,a loose area is discovered in joint.
在解决生产过程中铝合金点焊质量难题时,发现铝合金电阻焊接头中存在一个疏松区,从而将电阻焊接头从外向内分为塑性环、承力致密区和疏松区;试验检查和分析了这3个区域的力学性能,以及焊接参数(电极直径、焊接时间、焊接电流和电极压力)对它们的影响。
Effect of electric current pulse on shrinkage cavity and porosity in casting ZA27 alloy;
脉冲电流对铸造ZA27合金中缩孔和疏松的影响
Factor Analysis and Countermeasures of Porosity and Pipe in Ingot;
钢锭疏松、缩孔的因素分析及对策
In this paper, analysis on the fissuring accident of ZGMn13Cr2Mo antifriction tup is performed, and the reason is believed to lie in serious casting defects of shrinkage cavity, porosity and inclusion.
对ZGMn13Cr2Mo耐磨锤头的断裂事故进行了分析,主要原因是存在着严重的铸造缺陷:缩孔、疏松和夹杂物。
Results indicate that the primary cause to the rupture of the screw in the process of torque force test is proved to be heavily existence of holes and pore gaps in the screw arising from the central looseness of the original billet.
结果得出:螺钉在扭力试验过程中断裂是由于内部存在严重的孔洞和孔隙所造成的,孔洞和孔隙来源于原铸坯的中心疏松。
Mechanism of central parosity and looseness of small billet is described and analysed.
简述小方坯中心缩孔和疏松的形成机理 ,提出减轻中心缩孔和疏松的措
The experimental results show that there are some internal metallurgy flaws such as looseness,shrink hole in the raw material of the axle,and bad widmanstatten structure from the overheating and over-burning during the heating of forging,the comprehensive effects of these factors cause the steel toughness to reduce,and the internal cleavage exists d.
结果表明,车轴轴头原材料中存在疏松、缩孔残余等内部冶金缺陷和锻造热加工中的过热和过烧产生不良的魏氏组织,这些因素的综合作用致使钢的韧性降低,在锻造中发生内部劈裂,最终造成轴头在受外力时脆性断裂。
A new heterogeneous polymerization process, in which water acted as a dispersed phase and methyl methacrylate (MMA) as a continuous phase, was developed to prepare porous poly(methyl methacrylate) (PMMA) resin.
以水为分散相、甲基丙烯酸甲酯(MMA)为连续相进行悬浮态乳液聚合,合成疏松型聚甲基丙烯酸甲酯(PMMA)树脂。
Mold-filling, solidification and prediction of shrinkage porosity in Ti-46%Al alloy investment were performed using the ViewCast code, and the defects observed in the actual products agree well with the simulated results.
应用铸造软件ViewCast模拟精密铸造Ti 46%Al合金叶片的充型与凝固过程,预测了疏松的形成,模拟结果与实验结果相吻合。
Vibroflotation compaction is a comparably mature method for the improvement of cohesiveless soils,but it is seldom used to strengthen loose silty fine sands,especially for depth over 15m.
结合上海市某重点工程,基于吹填粉细砂的工程特性,通过现场试验探索出振冲工艺的主要设计和施工参数,对深度15m以上的饱和疏松粉细砂地基采用振冲加固的有效性进行了现场试验研究。
They are as following: there is loose defect on the inner side,at the same time ther.
本文对开裂的阀体取样进行了化学成分、力学性能和金相组织的测定,找出了造成ZG20CrMoV阀体打水压断裂的主要原因是内部有疏松缺陷,内表面有沿着疏松长十几毫米的裂纹,再加上塑性和韧性都低,造成了最终打水压时的开裂。
AIM: Primary osteoporosis includes post-menopausal osteoporosis and senile osteoporosis.
目的:原发性骨质疏松指绝经期后骨质疏松和老年性骨质疏松。
loose soil rich in organic matter.
疏松的土壤，富含有机物。
cloth with a loose/close texture
质地疏松[紧密]的布.
clouds rather thin and broken
云层颇为稀薄及疏松
senile osteoporosis
老年性骨质疏松(痖)
chromosome puff
染色体胀泡，染色体疏松
teoporosis circumscripta cranii
颅骨局限性骨质疏松
Effect of Bugufangshutang on Bone Metablism of Osteoporosis Rats;
补骨防疏汤对骨质疏松大鼠骨代谢的作用研究
Osteoporosis Process Simulation and Experimental Study on Osteoporosis Treatment Based on High-frequency Low-Magnitude Vibration;
骨质疏松的过程模拟及高频低载振动对抗骨质疏松的实验研究
Studies on Machanism of Osteoporosis Control with IP98 and Relation of RFLP of IGF-Ⅰ and Osteoprosis in Cage Layer;
笼养蛋鸡骨质疏松的IP98防治机理及骨质疏松与IGF-Ⅰ的RFLP关系研究
Preliminary observation of postoperative adjuvant treatment of anti-osteoporosis in the elderly femoral neck fracture
老年骨质疏松症股骨颈骨折术后抗骨质疏松治疗的初步观察
To loosen, turn over, or remove earth or other material.
挖掘，松土疏松、挖、翻或运走泥土或其它的材料
Simulation of Osteoporotic Process of Cancellous Bone with Time History;
带有时间历程的松质骨骨质疏松过程的模拟
The Clinical Study on Postmenopausal Osteoporosis Prevented and Treated by Kang gu Song Granule;
“抗骨松冲剂”防治绝经后骨质疏松的临床研究
The Protective Effects of ShenShao Tablet on the Experimental Osteoporosis in Rats and the Underlying Mechanism
参芍骨松片对骨质疏松的治疗作用及机理研究
(used of soil) loose and large-grained in consistency.
（指土壤）在结合上疏松而且颗粒大。
National Osteoporosis Foundation
美国国家骨质疏松症基金会
Osteoporosis is a bone-thinning disease.
骨质疏松症是一种骨密度变稀的疾病。