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During this period, variance contribution rate of quasi 100 ka cycle is up to 37.44%, and quasi 100 ka cycle has a leading role.

P。也发现地球轨道三要素中的心率准100 ka周期2、1 ka岁差周期及55 ka、8.3 ka、3.5 ka非轨道准周期,心率准100 ka周期具有主导地位(方差贡献率达37.44%);3尽管黄土记录的东亚夏季风100 ka周期的产生机制已有多种假说,古气候学界还是普遍认为它产生于某些尚不清楚的过程,有待进一步研究。

In whole Summer, there is negative height anomaly over middle and low latitude,, so rain belt propagates more north.

夏季、秋季西太平洋异常冷,赤道东太平洋的东部地区异常

The influences of dead time of detector and the mass bias on the precision of determination of Uranium isotope ratio studied.

研究了检测器死时间和质量倚对铀同位素比测量的影响,对比了三种检测器死时间和质量倚校正方法。

A new type three-roll rotary experimental mill has been designed on the basis of the analysis and investigation with the main technical parameters of the experimental mill designing in detail, such as offset angle α, inclined angle β and the exit diameter.

对试验轧机的主要技术参数转角α、倾斜角β及轧件的出口直径等参数做了详细设计,可以设定不同的斜角和倾斜角进行试验,轧制出不同出口直径的轧件,可以对铝、镁、铅、锡合金及其他材料进行试验。

First, according to the parts of materials processing operations, cutting tools and other relevant factors and choose the outline of the handle and part characteristics identify nine tools were cylindrical rough turning, cylindrical precision turning, external grooving cutter , internal thread cutter, Boring tool within the inner notch cutter, 93 ° left side knife, 93 ° right-side knife.

第一,根据本零件材料的加工工序、切削用量以及其他相关因素选用刀具及刀柄和零件的轮廓特点确定需要9把刀具分别为外圆粗车刀、外圆精车刀、外切槽刀、内螺纹刀、内镗孔刀、内切槽刀、93°左刀、93°右刀。

The results show that the neutral temperature is 26.9 ℃ in modified temperature; the preferred sensation is -0.2 in summer; the partial pressure of water vapor is about 3 500 Pa when the humid sensation is neutral; the mean skin temperature is 33.2 ℃ corresponding neutral thermal sensation; the mean skin temperature and skin wetness degree are important in predicting thermal sensation and thermal comfort; there is a linear relation between the heart rate and thermal comfort, and between the blood pressure and thermal comfort in cooler environment but the blood pressure varies not obviously with thermal sensation in warmer environment.

结果显示,受试者的热中性温度为26.9 ℃;受试者夏季爱稍凉的热感觉(-0.2);潮湿感中性对应的水蒸气分压力约为3 500 Pa;热中性对应的平均皮肤温度为33.2 ℃;平均皮肤温度与皮肤湿润度是预测热感觉与热舒适的重要参数;心率与热感觉存在线性关系,血压在凉环境下与热感觉呈线性关系,在暖环境下变化不大。

Through analysis to the pumping unit's load characteristic, the relationship between the position of the suspension point load's peak value and the oil well's parameters has been obtained and a new method about the transforming of the pumping unit with downward beam balance weight is proposed.

分析常规游梁式抽油机的载荷特性,得出悬点载荷的峰值出现的位置与井况参数的关系,提出一种下杠铃抽油机改造方法,依据油井抽汲参数调节下杠铃的角度,使其最大力臂与悬点最大载荷对应,提高抽油机的平衡效果。

In the northern hemisphere, the sun follows its highest arc across the sky.

对居住在地球其它地方的人们来说,夏至日意味着一年中太阳将从东方最北的地方升起,又从西方最北的地方落下。

Densities of glycine in glucose-water and sucrose-water mixed solvents have been measured to 298.15 K by an oscillating-tube densimeter. Apparent molar volumes, limiting partial molar volumes and number of hydration of glycine have been calculated. The transfer volumes from water to sugar-water mixtures have been obtained and discussed in terms of the structural hydration interaction model.

利用精密数字密度计测定了甘氨酸与不同组成葡萄糖-水、蔗糖、水混合溶剂构成的三元系溶液的密度,计算了甘氨酸的表观摩尔体积、极限摩尔体积和理论水化数,根据结构水合作用模型讨论了迁移摩尔体积的变化规律,并与乙二醇-水和丙三醇-水等多羟基体系作了比较。

The interference, which has much to do with shimmy and handling characteristic and directional stability of vehicle, between the suspended structure, the front axle and steering system is described accurately In the models, the concrete component parameters or the design parameters are adopted to make it easy that the models are directly used in optimization design of real products. In order to make mathematical simulation and optimum analysis accurately with a particular vehicle and to study the influence of tyre characteristics on the lateral dynamic performance of vehicle, not only are the whole structure parameters in the models measured, but also is the test of the tyre cornering characteristics done, the accurate parameters of the tyre cornering characteristics are obtained and the practical tyre models of both steady state and dynamic state are selected.

为了提高仿真计算与优化分析的精度,和进一步分析有关轮胎特性对汽车横向动力学特性的影响,除了测量了模型中的全部结构参数外,特别做了轮胎侧特性试验,获得了比较准确的轮胎特性参数,并选用了比较实用的轮胎动态和稳态侧特性模型。

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推荐网络例句

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为!

He consistance of the population dissociation coefficient method andthe sample dissociation coefficient method for the calculation of structural reliabilityin solid rocket motors was reviewed.

依据结构强度-工作应力理论模型,应用数理统计方法和对某团体发动机大量试验数据的实例计算,证明了总体变异系数法和样本变异系数法在结构可靠性计算中的一致性。