1) Drop test
落震试验
1.
FEM software,ABAQUS,is used to model the landing gear for an aircraft,and carry out the numerical simulation for drop test.
利用大型商用有限元软件ABAQUS对某机起落架建模,并进行落震试验数值模拟。
2.
The model is verified by the drop tests of fixed orifice landing gear.
利用定油孔起落架的落震试验对该模型进行了校验。
3.
The mathematic model of predicting the horizontal load subjected to aeroplane undercarriage tyre based on the drop tests was built by analyzing dynamic loads acting on drop test platform which is supported by three poles, and the coefficients in the mathematic model were determined by means of the least square method according to the results of static tests.
通过分析 3点支撑落震平台的动态受力情况 ,确定了起落架机轮投放到落震平台上后 ,落震平台水平方向的各种载荷情况 ,从而利用测量落震平台水平载荷的间接测量方法 ,建立了起落架机轮水平载荷测量方法的数学模型 ,并采用在落震试验台水平方向上进行试验标定的方法 ,确定了数学模型中的有关待定系数 。
3) column style drop test bed
立柱式落震试验台
1.
The authors of this paper conducted the landing gear rotating drop test for different imitation runways on the column style drop test bed, and obtamed some typical drop test results under imitation condition of spin up and spring back.
通过在立柱式落震试验台上进行不同模拟跑道的起落架带转落震试验 ,得到了某些典型起转和回弹载荷模拟情况下的落震试验结果。
4) Drop-weight test
落锤试验
1.
Numerical analysis on the ignition mechanism of explosive in drop-weight test
炸药落锤试验点火机理的数值分析
2.
Based on the data of Drop-weight test of various kinds of specimens with different thickness, it could be concluded that the value of T_(NDT) is not only dependent on the materials but also the thickness of the specimen.
以3种供应状态、5种钢材、6型试样的落锤试验数据说明钢材的无塑性转变温度TNDT不仅与材料有关,而且与试样厚度有关,二者的关系可用函数式TNDT=At-m+B表示,式中的A、B、m是与材料有关的参数。
5) drop weight test
落锤试验
1.
The nil-ductility transition temperature of AH36 ship plate is -25℃ which is determined by drop weight test method.
利用落锤试验方法 ,测定了AH3 6级船板的无塑性转变温度为 -2 5℃ ,并对试验结果进行了评定。
2.
The curves of impact acceleration vs time of some common explosives were experimentally determined in drop weight test.
在落锤试验中测量了落锤的撞击加速度，对几种炸药试验过程中落锤的加速度时间曲线进行了讨论。
6) drop hammer test
落锤试验
1.
Some equations of explosive explosion probability and probability of occurring number k successive explosion in one group (25sets) in drop hammer test are deduced with probabilistic method in this paper,as well as the relative table.
应用概率统计的方法 ,导出了炸药的爆炸概率与落锤试验中测试一组 (2 5发 )试样时 ,出现k发连续爆炸的概率的关系式 ,给出了相应的概率表 ,为测试结果的可靠性提供了检测方
2.
The framing photographs of explosive samples under drop hammer test exhibit a fractal structure,in which the fractal dimension is related to the explosive’s impact sensitivity.
根据分形几何的周长面积公式及线性回归原理，对ＴＡＴＢ等六种炸药样品的落锤试验的分幅图像进行了图像处理和分形维数计算。
补充资料：集落抑制试验
集落抑制试验
一种体外测定肿瘤病人细胞免疫状态的方法。将肿瘤组织消化处理，使细胞分散，然后接种800～1000个瘤细胞于直径6厘米的平碟中培养，使成单层细胞培养，可得到20～l00个细胞集落。将待测机体的淋巴细胞加入到培养的肿瘤集落中，培养3～5天；染色计数细胞集落数。对照加入正常人淋巴细胞代替待测的淋巴细胞。比较肿瘤病人和正常人淋巴细胞抑制率或治疗前后淋巴细胞免疫功能的变化情况。淋巴细胞免疫功能强者对癌细胞有一定的破坏作用。用此法亦可测定血清中有无封闭因子。封闭因子能阻止细胞对癌细胞的破坏作用，癌细胞集落生长不受影响或少受影响。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条