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破碎性
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  crumbliness
     The circle of contact takes on time averaged, instantaneity, periodicity and crumbliness in flow field of angle burner high length-with ratio furnace.
     角式喷燃、高长宽比炉膛中,切圆在流场中旋转,具有时均性、瞬时性、周期性和破碎性。 燃烬风反切可有效降低出口速度偏差,从而降低出口烟温偏差。
短句来源
  “破碎性”译为未确定词的双语例句
     The cylinder made of 98W-Ni-Fe and 97W-Ni-Cu packed with TNT and RDX respectively can fragmentate into well-distributed fragments under explosive loading conditions,and the quality of the fragments are among 0.1-1g.
     研究了 98W -Ni-Fe和 97W -Ni-Cu在爆炸加载条件下的破碎性。 用高密度钨合金在装填TNT和RDX两种炸药时均碎成较均匀破片 ,破片质量分布在 0 .1~ 1.0 g之间。
短句来源
     The advantages of the classification based on the theory are that it can suggest the soil behavior and mechanism of landslide.
     这一分类方法的优点是它可以反映滑坡土休的工程特性以及破坏机制,一般来说,处于翦胀状态的土易形成破碎性滑坡,处在剪缩状态的土易形成整体性滑坡。
     A SCA structural model was established after analysis of factors that affect SCA.
     本文分析了影响静态破碎剂(简称SCA)破碎性能的因素,建立了SCA结构模型。
短句来源
     This paper We consider the IBVP for i u_1=Au+f(|u|~2)u with u(x, o)=φ(x)、u(x, t)|Ω=0, where■Ω is boundary of Ω, and is a sphere, If φ、f are given so that the system with non positive energy and other Conditions. We shall shown the solution of this problem. Blow up in finite time.
     本文研究定解问题:iu_t-△u=f(|u|~2)u、(x,t)∈ΩX(0,∞)、u(x,0)=φ(x)、u(x,t)|■=0的解在有限时间内的破碎性
短句来源
     Anticollapse Technique for Broken Dolomite Formation in Tacan Well 1
     塔参1井破碎性白云岩地层防塌技术
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更多       
  相似匹配句对
     PRELIMINARY STUDY ON CRUSHING BEHAVIOR OF FERROCHROMIUM
     铬铁破碎性能初探
短句来源
     Research on the Crashing Characteristic of Abrasive Materials in Granite grinding
     花岗岩磨削磨粒破碎性能研究
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  breakage susceptibility
2 chromosomes indicated linear differentiation of breakage susceptibility along the chromosomes.
      
The distribution of aphidicolin-induced chromosomal lesions was analyzed to determine the relative breakage susceptibility of euchromatin and heterochromatin in the cactus mouse, Peromyscus eremicus.
      
  crumbliness
Furthermore, LFE had lower strain values indicating crumbliness.
      
This may be the cause of increased aortic crumbliness in diabetic patients undergoing cardiovascular surgery.
      


The low SiO2 content dune sands are generally used in many Chinese iron foundries for preparing moulding sands. A wind-blown dune sand of Yellow River deposit has been used to be separated into enriched quartz and feldspar by floatation process. A series of experimental sands with various proportions of SiO2 content are prepared by mixing these two base sands. The influences of SiO2 content of sand on the properties of mould and the quality of iron casting are investigated. Test results show that the ability...

The low SiO2 content dune sands are generally used in many Chinese iron foundries for preparing moulding sands. A wind-blown dune sand of Yellow River deposit has been used to be separated into enriched quartz and feldspar by floatation process. A series of experimental sands with various proportions of SiO2 content are prepared by mixing these two base sands. The influences of SiO2 content of sand on the properties of mould and the quality of iron casting are investigated. Test results show that the ability to prevent scabbing, burn-on and metal penetration of the low grade sand is not inferior than that of the high grade sand for iron castings in green sand mould. But the grain rupture tendency of the low SiO2 content showed unsettled effect.

我国铸造业常使用SiO2含量较低的原沙作为铸铁件生产造型用砂。为了研究这种低品位砂对型破性能和铸件质量的影响,将黄河风积砂浮选分离成石英精砂和长石砂两种组分,再按不同比例配制成几种SiO2含量不同而颗粒条件相似的原砂,研究SiO2含量对抗粘砂性、抗结疤性、耐破碎性的影响。结果表明,对于湿型铸铁件来说,低品位砂的抗粘砂性、抗结疤性能不低于高品位砂,在耐破碎性方面则各有长短。

The lethal area of the fragmentation ammunitions is generally determined in accordance with the fragmentation test, spherical target test and the test of velocity measurement. In this paper, the spatial distribution of fragments is approximated to normal distribution and the decrease of the effective fragments with the travelling distance increasing, is deduced. The author uses the present formula of the fragment number-fragment weight and of velocity estimating. Then a method of the theoretic computation of...

The lethal area of the fragmentation ammunitions is generally determined in accordance with the fragmentation test, spherical target test and the test of velocity measurement. In this paper, the spatial distribution of fragments is approximated to normal distribution and the decrease of the effective fragments with the travelling distance increasing, is deduced. The author uses the present formula of the fragment number-fragment weight and of velocity estimating. Then a method of the theoretic computation of the lethal area is developed. Four warheads are examined with this method, and the results show clearly that the theoretic computation corresponds well with the experiment. This method can be used to predict the lethal area of various kinds of fragmentation ammunitions and to prove different designs of the ammunition.

杀伤弹药的杀伤面积通常根据破碎性试验、球形靶试验和破片初速试验确定。本文采用正态分布近似破片的空间分布,并导出有效破片数随距离的衰减规律,进一步利用破片数随重量分布以及计算破片初速的现有关系,提出一个杀伤面积的工程计算方法。文中给出了四种战斗部的计算结果,均与实测值符合得较好。此方法可以预报各种杀伤弹药的杀伤面积,亦可用于弹丸方案论证。

This is the first part of our study about the chief mechanical properties of abrasive materials made in China. The research work is mainly about the strength of abrasive grit and its process of broken bown, an about the toughness of grits. In this PaPer, things like the equipments being used, the Process of the tests, and matters for special attention in testing are introduced, as well as many Parameters classified and listed in tables.As for the fragmentation of the abrasive, the paper discusses about the pattern...

This is the first part of our study about the chief mechanical properties of abrasive materials made in China. The research work is mainly about the strength of abrasive grit and its process of broken bown, an about the toughness of grits. In this PaPer, things like the equipments being used, the Process of the tests, and matters for special attention in testing are introduced, as well as many Parameters classified and listed in tables.As for the fragmentation of the abrasive, the paper discusses about the pattern and the conditions of the fragmentation; the effects of the types of crushing and the grit size on pressing strength. As for the toughness of the abrasive. A toughness formula has been raised. The paper has also discussed about the cause of the different toughness of dry abrasive and wet ones; the maintenance of testing conditions and the proof of the correctness of the judgement on the equipment; and the cause of toughness value sequence of different kinds of abrasive; the effects of grit size on toughness, etc. All these have some guiding significance in the improvement of the properties of the grits and in the rational choice of abrasives, and they are of some pratical use as well.

本文是我们研究国产磨料主要机械性能的第一部分。主要是对磨粒强度和破碎过程以及磨粒韧性进行了试验研究。文中介绍了所用设备、试验程序,以及试验时应注意的事项。并把大量试验数据,分类列表。在磨料破碎性方面,论述了磨粒的破碎形式和破碎情况,磨料粉碎方式和粒度对抗压强度的影响等。在磨料韧性方面,提出韧性公式。还论述了干燥与不干燥磨粒韧性不同的原因,固定试验条件并论证试验装置调整的正确性;各磨料韧性值大小顺序的原因;粒度大小对韧性的影响等。这些,都对改进磨料性能和合理选用磨料,有一定的指导意义和实用价值。

 
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