In this paper,the deformation principle of strip pulled through shoulder is studied by FEM simulation.
板条通过圆角是冲压工艺中带有普遍性的问题 ,也是冲压工艺基础理论研究中的一个难点。
The deformation and mechanical state of sheet at shoulder largely affect the sheet forming performance That is a basic theory problem of sheet forming In this paper,the influence of shoulder radius,back tension and friction condition on strip pulled through shoulder are studied by FEM simulation The deformation and mechanical features of strip at different states are discusse
本文就圆角半径、后拉力、摩擦条件等因素对板条通过圆角时的变形及圆角阻力等方面的影响进行了研究 ,获得了不同条件下板料在圆角处的变形特点及力能参数的变化规律。
In this paper,the problem of a mode Ⅲ crack in a functionally graded strip is studied with the assumption that the reciprocals of the shear modulus is a linear function in the thickness direction,while the Possion s ratio is kept constant.
作者假设功能梯度材料剪切模量的倒数为坐标的线性函数,而泊松比为常量,研究功能梯度板条的反平面裂纹问题。
Experimental study of partially end-pumped Nd∶YVO_4 slab laser with hybrid resonator operation;
部分端面抽运混合腔Nd∶YVO_4板条激光器实验研究
A kilowatt laser diode stack pumped solid state heat capacity laser is studied theoretically and fabricated respectively with single slab and double Nd∶YAG slabs.
报道了千瓦级激光二极管面阵抽运固体热容激光器的理论与实验研究,分别采用Nd∶YAG单板条和双板条串接的热容激光器,利用热容激光器的理论计算模型计算了在一定的工作时间内激光输出特性,并进行了实验验证。
two issues are mainly covered in this paper,there are the experiments and tests on the physical and mechanical properties of recycled aggregate concrete(RAC)board,it can be concluded that these properties of RAC board meet the requirements of current national codes and regulations;the RAC boards produced by Shanghai Qixiu Technical Corp.
本文主要完成了两方面的工作:对再生混凝土条板的物理力学性能进行了试验测试,证明再生混凝土条板的物理力学性能均能满足国家规范的相关要求;将再生混凝土条板用于南通某小区实际工程,经过3年的使用观察,条板的使用情况良好。
two issues are mainly covered in this paper,there are the experiments and tests on the physical and mechanical properties of recycled aggregate concrete(RAC) board,it can be concluded that these properties of RAC board meet the requirements of current national codes and regulations;the RAC boards produced by Shanghai Qixiu Technical Corp.
对再生混凝土条板的物理力学性能进行了测试和试验分析,证明再生混凝土条板的物理力学性能均能满足国家规范的相关要求;将再生混凝土条板用于南通某小区实际工程,经过3年的使用观察,条板的使用情况良好。
Analyzing deviation of cambered form witch is composed of batten and sheet in concrete construction;
拼装板条模板在施工中的误差分析
In accordance with the Winkler's theory of elastic ground and taking the roof above remainedrodaway as elastic thin lath,a mechanics model of roof movement has been set up,a movement equation of roofdeflection deduced,the features of stress distribution in roof analyzed,a new method of calculating supportingresistance put forward and a illustrating case accompanied as well.
运用Winkler弹性地基理率,把沿空留巷巷道上方顶板看作弹性薄板条,建立了顶板运动力学模型,导出顶板的挠曲运动方程,分析了顶板内应力的分布特征,提出了计算巷旁支护阻力的新方法,并用示例进行了说明。
To cover or furnish with panels.
镶以板用板条覆盖或装上板条
To build, cover, or line with laths.
给…钉板条用板条建造、覆盖或排成行
counter lathing
板条子操作, 双层砂板条作业
jointing machine for wooden staves
接合机,用于木板条加工
Using an empty crate as a makeshift for a table
用空板条箱权充桌子
I up-ended the crate and sat on it.
我把板条箱倒过来坐.
A crate serving as a stopgap for a chair.
临时用板条箱当椅子坐
slatting the back of a chair.
用板条做椅子的靠背
returnable bottles, crates, etc
可回收的瓶子、 板条箱等.
He's as thin as a lath.
可他瘦得就像根板条。
Bricanion lath-making machine
布里坎宁板条制作机
batten down a ship's hatches.
给轮船的舱口钉上板条。
slatted belt and flicker type distributor
板条带抛撒轮式撒肥机
lathing hatchet
钉板条用的短柄斧锤
gusset stay
角板撑条, 结节撑
Stripes sometimes noticeable on flatsawn face. Easily worked. Sliced veneer-flooring and wall. Sawn lumber-furniture, door-sills and flooring.
在木材弦切面可见条纹。平切单板-地板、板。板材-家俱、槛、板。
Bars and plate blanks of molybdenum
GB/T3462-1982钼条和钼板坯
blind of a line
在一条管线上加上盲板
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