查询词典 unstable

The preparation of colloidal antimony pentoxide has been investigated during recent years, but most of colloidal dispersions of antimony pentoxide are quite complicated, costly and unstable because of the problem caused by preparing methods or dispersion medium.

近年来，虽然已有一些胶体五氧化二锑的研制工作，但由于制备方法、分散介质和添加剂的不同，一些胶体五氧化二锑体系比较复杂、成本较高和不稳定。

NeitIT of us understood how unstable and heavy those auger bit were.

咱们两个都不清楚钻孔机的钻头会那么不结实，又那么重。

Based on the simulation data, the effects of clearances, damping coefficient and the rotation speed on the dynamic behaviors are studied: compared with ideal mechanisms, mechanisms with clearances are less stable; as for mechanisms with clearances, when the crank rotates at the speed of 100rad/s, the actual clearances are always above the radium of clearances, axle pin and axle cover keep contact throught the rotation; when the crank rotates at the speed of 20rad/s, mechanisms are in an unstable state, at an angle of about 300, the actual clearances are below the radium of clearances, pairs lose contact, which results in collision between them; with the speed of 20rad/s, when damping coefficient is assumed 175Ns/m, distinct separation and collision happen between pairs; when damping coefficient is assumed 220Ns/m, separation and collision are controlled.

在含间隙机构中，当曲柄以100rad/s转动时，运动副间隙始终大於半径间隙，轴销与轴套始终保持连续接触；当曲柄以低速20rad/s转动时，系统处於极不稳定的震荡状态，在转至300°左右时，运动副间隙小於半径间隙，脱离接触，发生明显的分离碰撞现象。在含间隙机构中，曲柄以低速20rad/s转动，当取法向阻尼系数为175Ns/m时，副元素发生明显的分离碰撞现象；当取法向阻尼系数为220Ns/m时控制了副元素的分离，副元素一直处於连续接触状态。

Increased plasma levels of B-type natriuretic peptide in patients with unstable angina［J］.

慢性心力衰竭患者血浆B型利钠肽的测定及治疗的影响［J］。

The shoulder joint, being a ball-and-socket joint, is inherently unstable.

旋转肌袖由四条小肌肉组成，围绕著肩关节

Behind those big, round words is an often desperate and unstable social reality that has citizens of the People's Republic frequently going on the streets to protest - the Ministry of Public Security recorded some 74,000 "mass incidents" in 2004 - and even, as happened this week in Gansu province, to battle riot police and trash government buildings.

在这些大而空泛的口号背后，有着一个危险而且不稳的社会现实，中国的民众经常走上街头示威--公安部公布的记录显示，在2004年有大约7万4000起&群众聚集&事件--甚至就在本周，甘肃省还发生群众与防暴警察冲突并破坏政府建筑物的事件。

Of course, apart from the above paper caused instability factors other than those of the compression spring brake is too lax and water wheel bearing tao'experience ditit separation head to the connecting rod branch head bolts wear will be unstable handicaps caused by fault, this article is no longer enumerate.

当然，不兴上述酿成行纸不安慌的成分以边，制不静刹车块压簧太紧、输纸轮轴承旷不静、别离脚出各不断杆纳脚螺栓磨损也城市引起行纸不安慌障碍，本文不一再不一赘述。

Integrated analysis of 7 times heavy rain in Yunnan from July 19 to August 2 based on actual observation weather datum and satellite cloud atlas and Doppler radar image. The results show that: high-low southwest jet stream is important effect system. The maintenance of southwest jet stream provides water vapor, momentum, fast transfer of unstable energy for the lasting heavy rain. The further configuration of plateau shear line and southwest jet stream is necessarily condition about 7 times heavy rain. The lasting heavy rain appeared on big value region of 500hPa vapour flux and vapour flux divergence. The shear cloud band and subtropical high cloud band crossed and confluenced in Yunnan on the satellite cloud atlas. The maintenance and intensification of shear cloud hand and periphery cloud band of subtropical high correspond quite well to heavy rain falling region and cloud band distribution.

应用实测气象资料，结合卫星云图与多普勒雷达图像分析，对2007年7月19日到8月2日云南少有的7次强降水过程进行综合分析，结果表明：高低空的西南急流是重要的影响系统，西南急流的维持为持续性强降水过程提供了水汽、动量和不稳定能量的快速传递，高原切变线与西南急流的有利配置，是7次持续性强降水过程必不可少的条件；持续性强降水出现在500hPa水汽通量大值区和水汽通量散度辐合区；卫星云图上切变云带和副高外围云带在云南汇合，切变云带和副高外围云带维持、加强的过程与强降水落区的时空分布对应较好。

Tornado is a strong, small-scale air vortex is extremely unstable weather from the air campaign have strong convection, clouds from thunderstorms stretching to the ground at the end of the funnel cloud have a strong whirlwind, Its wind up 12 more, up to 100 meters per second over, the general with thunderstorms, sometimes accompanied by hail.

什么是龙卷风？龙卷风是一种强烈的、小范围的空气涡旋，是在极不稳定天气下由空气强烈对流运动而产生的，由雷暴云底伸展至地面的漏斗状云产生的强烈的旋风，其风力可达12级以上，最大可达100米每秒以上，一般伴有雷雨，有时也伴有冰雹。

After modification of the system, the capture efficiency for coke oven dust in the de-dusting system during pushing was increased, the unstable de-dusting efficiency issue had been solved. Both the main equipment safety and personal safety can be ensured, the electric power saving function can be effectively brought into play.

系统改造后有效提高了推焦过程中除尘系统对焦炉粉尘的捕集，解决了除尘效果不稳定等问题，保障了主体设备的安全和人身安全，更有效地发挥了除尘风机变频器的节电作用。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。