查询词典 draw a blank

But utility time of this technology is not long at home, in addition, the majority of equipment is two-hand at home, and the craft technology was not introduced with it, so the people's understanding is limited to cast the copper alloy blank using the horizontal continuous casting method, the basic data lacks extremely, the copper alloy materials blank's quality is unstable, more than all, the research to the key component Graphite Crystallizer is insufficient, it affected the application of horizontal continuous casting in a certain.

但这一技术由于国内使用的时间不长，加之国内引进的大多数是二手设备，对工艺技术没有进行引进，因而人们对铜合金带坯的水平连铸生产方法认识有限，基础资料十分缺乏，生产的坯料质量不稳定，特别是对关键部件石墨结晶器研究不够深入，在一定程度上影响了水平连铸方法在铜合金带坯生产中的应用。

Based on the trial of two different heat treatment processes for TP321 tube blank ,this paper revealed influence of solution treatment and solution treatment plus stabilization treatment on room temperature tensile strength,elevated temperature tensile strength,microstructure and grain size of TP321 tube blank .

通过对 TP321管坯材料的热处理工艺试验，阐述了材料经固溶处理和固溶处理+稳定化处理这二组热处理工艺后对材料室温和高温拉伸性能、组织和晶粒度的影响。

Casting a blank on a number of ways such as the widening of steel, pushing steel machine, transferring vehicles, lifting hook contrast, the final choice of transferring to this car as a blank device.

在对连铸出坯的几种方式如拉钢机、推钢机、横移台车、起重吊钩的对比后，最终确定选用横移台车作为此出坯装置。

If the blank certificate is not enough, they should make an application by filling in Subscription List for Blank Certificate 20 days in advance.

各发证机构的空白证书不得相互借用，如空白证书使用数量不足，应提前二十天填写《空白证书征订单》，提出申请。

The paper analyses the forming causes of blank crack and points out that higher core sand strength, bottom-casting single-layer runner and solid structure of sand core are main factors of affecting the blank casting quality.

分析了大斗毛坯产生裂纹的原因，并指出芯砂强度高、底注单层浇道、砂芯为实心结构等是影响大斗毛坯铸造质量的主要因素。

For the same size of powder, the porosity of the pressed blank decreases with the increase of pressing pressure. The porosity of pressed blank of coarse powder is smaller than that of fine powder for the same pressure....

当烧结温度和烧结时间相同时，细粉多孔钨的孔隙度要小于粗粉多孔钨的孔隙度，对同粒度粉末，压坯孔隙度随烧结温度升高而减小。

The influence of thedifferent parameters, such as blank-holder condition, thickness of blank sheetand material pattern on the wrinkle and the crack is analyzed. FLD is used tojudge the crack on the multi-point forming process successfully. The predictionof crack accords with the experiment ones, which shows choosing the properparameters can eliminate or restrain the defects, and also benefits the MPFtechnique and the shaping analysis.

本文对使用弹性介质和无弹性介质的多点成形过程进行了对比，指出使用弹性介质时在满足成形精度的前提下可以明显改善工件的成形质量，并通过对不同厚度和弹性模量的弹性介质对压痕的抑制作用进行了对比分析，探讨了最佳的弹性介质参数。

Chongqing netizen follows post the Internet bar that calls oneself the place organic child bolt without blank space, suspicion is " bare-handed catch blank space " be.

有重庆网友跟帖称自己所在的网吧就有机子没有空格键，怀疑是&徒手抓空格&所为。

Peaks(30); N=16;% number of contour lines and their colors clf % clear the current figure view(3)% set view to 3-D hold on % hold blank screen setgca,' ColorOrder ',hsv(N % use colors from default hsv colormap contour3 % draw N contour lines grid,xlabel(' X-axis '),ylabel(' Y-axis '),zlabel(' Z-axis ') title(' CONTOUR3 of PEAKS ') hold off

输出见图 18.17。图 18.17 函数 PEAKS 的三维等值线图现在，各条等值线的颜色沿着 z 轴的变化和网格图曲面图网格图和曲面图网格图曲面图一样。

The road of life is a piece of blank sheet of paper which has no word, descending what kind of pen, walk what kind of road, have to investigate hard and delicately, would write a writing of daintiness so, draw a picture of beauty.

16-29、人生的路是一张无字的白纸，下什么样的笔，走什么样的路，必须认真细致地探索，这样才会写出优美的文字，绘出美丽的图画。

" I' d like to get some rough idea about music in the baroque ear, please."

请简要介绍一下巴罗克时期的音乐，好吗？

The results showed that the peak latency and pattern of SEPs elicited by electrical needling in LI-l1 and MP were similar. The amplitude of SEPs elicited by electrical needling in LI-l1 was higher than that of MP. There was no obvious SEPs generation when MM was electrical needling.

结果显示，电针刺激曲池穴和其邻近桡侧伸腕长肌运动点诱发性脑电波的波形和波峰时间是类似的，只是穴位的诱发性脑电波波幅较大，而电针刺激非穴位点并没有明显的诱发性脑电位。