The crystal cracking was studied and the results shown that crystal cracking is related to the pulling rate,rates of rotation and cooling.
本文采用提拉法生长了Cr,Yb,Ho:YAGG可调谐激光晶体,并从理论上讨论了热应力、提拉速度、晶体转速和降温速率等因素对晶体开裂的影响,最后给出了掺铬、镱和钬钇铝镓石榴石激光晶体生长的最佳工艺条件:温度梯度为0。
The crystal cracking was studied and the results show that the crystal cracking is related to package, pulling rate,speed of rotation and cooling speed.
本文采用提拉法(CZ)生长了Nd:GGG晶体,并从理论上讨论了包裹物、提拉速度、晶体转速和降温速率等因素对晶体开裂的影响,最后给出了生长无开裂Nd:GGG晶体的最佳工艺参数:径向温度梯度越小越好,纵向温度梯度在0。
The crystal cracking was studied and the results show that crystal cracking is related to the temperature gradient, pulling rate, speed of rotation and crystal size,and the thermal stress is a main factor which leads to the crystal cracking at the same time.
本论文采用提拉法 (CZ)生长了尺寸为1 5mm× 2 0mm的Nd :NaY(WO4) 2 晶体 ,并从理论上讨论了温度梯度、提拉速度、晶体转速和晶体尺寸等工艺参数以及热应变等因素对晶体开裂的影响 ,给出了生长Nd :NaY(WO4) 2 晶体的最佳工艺参
Analysis on the mixture wall crack and the fountation treatment;
混合墙体开裂地基处理分析
On the top wall crack and prevention of brick-concrete structure;
浅谈砖混结构顶层墙体开裂及防治
It is pointed out that the main reason of wall crack is due to great drying shrinkage of the material,so the first thing is to enhance study and improve production to make the drying shrinkage value of b.
指出材料干燥收缩大是产生墙体开裂的主要原因,首先要加强研究和改进生产,使砖的干燥收缩值达到德国DIN1053-1要求的0。
Matrix crack is one of the primary damages for composite pressure tank.
复合材料压力容器损伤破坏的主要形式之一是基体开裂,本文利用损伤力学方法中的细观力学对复合材料压力容器进行分析,采用等效夹杂法分析基体中任一点的应力情况,当应力达到临界值时基体开始产生裂纹,描述了基体开裂损伤的演化过程,建立裂纹密度和压力容器弹性模量之间的关系式,表现基体裂纹对压力容器刚度的影响。
For matrix cracking and large deforming, the deformation of a filament wound case is analyzed and calculated.
本文分析计算了基体开裂及大变形对纤维缠绕壳体变形的影响，得到了比较满意的理论分析结果。
This paper analyzes on the causes and mechanism of the cracks of the filler wall bricking-up,and connecting with the technique of the bricking-up masonry,expounds the steps of the aerated concrete block construction,and advances some measures for preventing and controlling the cracks.
分析了填充墙砌体开裂的原因和机理,结合砌体砌筑的工艺,论述了加气混凝土砌块施工的步骤,提出了预防和控制开裂的措施。
THE SIMILARITIES AND DIFFERENCES BETWEEN NEW WALL MATERIALS AND TRADITIONAL ONES BY DEALING WITH CREVICES IN WALLS;
比较新型与传统墙体材料在墙体开裂上的异同
The similarities and differences between new wall materials and traditional ones by dealing with crevices in walls
新型与传统墙体材料在墙体开裂上的异同分析
Numerical Tests of Wall Cracking Process over Ground Fissures with RFPA;
跨地裂缝墙体开裂过程的RFPA数值试验研究
One and hale year later, cracks appeared on the northern wall at the east end of the building.
加层使用一年半后就发现东头北面墙体开裂。
Reknowing the Causes of Wall Cracks in Top Floor End of Brick and Con crete Mixed Structure Building
砖混结构房屋顶层端部墙体开裂成因再认识
An Analysis of the Causes and Precautionary Measures for Concrete Block Wall Cracking;
混凝土砌块墙体开裂的原因及预防措施
Brief Discussion on Wall Crack Reason and Prevention Measure of Masonry Building;
浅谈混合结构房屋墙体开裂原因及防治措施
Treatment to wall cracks caused by construction de-watering
施工降水引起房屋墙体开裂的事故处理
Facing splitting was the main problem in exterior insulation for external walls with EPS.
外墙EPS外保温墙体,其质量问题多为面层开裂。
Study on Behavior of Early-age Concrete Cracking in Basement Walls;
地下室墙体早期混凝土开裂性能研究
Reason analysis of the vertical cracking in the concrete of basement wall
地下室墙体混凝土纵向开裂成因分析
The air Entrainment Beton Cuts a Cake Wall Part of the Body Plastering Ftractures Empties the Drum Prevention and Cure;
加气混凝土砌块墙体抹灰开裂空鼓的防治
Analysis and Experimental Study of Temperature Influence on the Basement Concrete Wall Crack During Construction
地下室混凝土墙体施工期间开裂的温度影响分析与试验研究
"cranny:a small opening, as in a wall or rock face; a crevice."
"裂缝,裂口:在墙壁或石头等上面的小开口;裂缝."
A small opening, as in a wall or rock face; a crevice.
裂缝，裂口在墙壁或石头等上面的小开口；裂缝
Study on Cracking Mechanism and Defending Measure of Fly Ash Brick Wall
粉煤灰砖墙开裂机理分析及防护措施
How to control split on brick structure wall as it is designed
如何从设计上控制砌体结构墙体裂缝
The reason and measurement of the masonry structure crack
砌体结构墙体裂缝产生的原因及防治