self cleaving

The crystal cracking was studied and the results shown that crystal cracking is related to the pulling rate,rates of rotation and cooling.

本文采用提拉法生長了Cr,Yb,Ho:YAGG可調諧激光晶體,并從理論上討論了熱應力、提拉速度、晶體轉速和降溫速率等因素對晶體開裂的影響,最后給出了摻鉻、鐿和鈥釔鋁鎵石榴石激光晶體生長的最佳工藝條件:溫度梯度為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)生長了Nd:GGG晶體,并從理論上討論了包裹物、提拉速度、晶體轉速和降溫速率等因素對晶體開裂的影響,最后給出了生長無開裂Nd:GGG晶體的最佳工藝參數:徑向溫度梯度越小越好,縱向溫度梯度在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.

本論文采用提拉法 (CZ)生長了尺寸為1 5mm× 2 0mm的Nd :NaY(WO4) 2 晶體 ,并從理論上討論了溫度梯度、提拉速度、晶體轉速和晶體尺寸等工藝參數以及熱應變等因素對晶體開裂的影響 ,給出了生長Nd :NaY(WO4) 2 晶體的最佳工藝參

Analysis on the mixture wall crack and the fountation treatment;

混合墻體開裂地基處理分析

On the top wall crack and prevention of brick-concrete structure;

淺談磚混結構頂層墻體開裂及防治

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.

指出材料干燥收縮大是產生墻體開裂的主要原因,首先要加強研究和改進生產,使磚的干燥收縮值達到德國DIN1053-1要求的0。

Matrix crack is one of the primary damages for composite pressure tank.

復合材料壓力容器損傷破壞的主要形式之一是基體開裂,本文利用損傷力學方法中的細觀力學對復合材料壓力容器進行分析,采用等效夾雜法分析基體中任一點的應力情況,當應力達到臨界值時基體開始產生裂紋,描述了基體開裂損傷的演化過程,建立裂紋密度和壓力容器彈性模量之間的關系式,表現基體裂紋對壓力容器剛度的影響。

For matrix cracking and large deforming, the deformation of a filament wound case is analyzed and calculated.

本文分析計算了基體開裂及大變形對纖維纏繞殼體變形的影響，得到了比較滿意的理論分析結果。

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.

分析了填充墻砌體開裂的原因和機理,結合砌體砌筑的工藝,論述了加氣混凝土砌塊施工的步驟,提出了預防和控制開裂的措施。

THE SIMILARITIES AND DIFFERENCES BETWEEN NEW WALL MATERIALS AND TRADITIONAL ONES BY DEALING WITH CREVICES IN WALLS;

比較新型與傳統墻體材料在墻體開裂上的異同

The similarities and differences between new wall materials and traditional ones by dealing with crevices in walls

新型與傳統墻體材料在墻體開裂上的異同分析

Numerical Tests of Wall Cracking Process over Ground Fissures with RFPA;

跨地裂縫墻體開裂過程的RFPA數值試驗研究

One and hale year later, cracks appeared on the northern wall at the east end of the building.

加層使用一年半后就發現東頭北面墻體開裂。

Reknowing the Causes of Wall Cracks in Top Floor End of Brick and Con crete Mixed Structure Building

磚混結構房屋頂層端部墻體開裂成因再認識

An Analysis of the Causes and Precautionary Measures for Concrete Block Wall Cracking;

混凝土砌塊墻體開裂的原因及預防措施

Brief Discussion on Wall Crack Reason and Prevention Measure of Masonry Building;

淺談混合結構房屋墻體開裂原因及防治措施

Treatment to wall cracks caused by construction de-watering

施工降水引起房屋墻體開裂的事故處理

Facing splitting was the main problem in exterior insulation for external walls with EPS.

外墻EPS外保溫墻體,其質量問題多為面層開裂。

Study on Behavior of Early-age Concrete Cracking in Basement Walls;

地下室墻體早期混凝土開裂性能研究

Reason analysis of the vertical cracking in the concrete of basement wall

地下室墻體混凝土縱向開裂成因分析

The air Entrainment Beton Cuts a Cake Wall Part of the Body Plastering Ftractures Empties the Drum Prevention and Cure;

加氣混凝土砌塊墻體抹灰開裂空鼓的防治

Analysis and Experimental Study of Temperature Influence on the Basement Concrete Wall Crack During Construction

地下室混凝土墻體施工期間開裂的溫度影響分析與試驗研究

"cranny:a small opening, as in a wall or rock face; a crevice."

"裂縫,裂口:在墻壁或石頭等上面的小開口;裂縫."

A small opening, as in a wall or rock face; a crevice.

裂縫，裂口在墻壁或石頭等上面的小開口；裂縫

Study on Cracking Mechanism and Defending Measure of Fly Ash Brick Wall

粉煤灰磚墻開裂機理分析及防護措施

How to control split on brick structure wall as it is designed

如何從設計上控制砌體結構墻體裂縫

The reason and measurement of the masonry structure crack

砌體結構墻體裂縫產生的原因及防治