1、

The rhodium target, mass thickness is more than 150 mg/ cm 2, adapts to producing 103 Pd on Cyclone 30 accelerator.

确定了脉冲电镀工艺参数,成功地制备适用于生产103Pd的Cyclone30加速器照射用铑靶,镀层厚度大于150mg/cm2。

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2、

When the laser intensity irradiated on the target surface is about 1000W/ cm 2, the laser thermal stress descends rapidly with the increase of target thickness;

当照射靶面激光强度约1000W/cm2时,激光热应力随靶厚的增加而快速减小。

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4、

People have grown taller over the last century, with South Korean women shooting up by more than 20cm on average, and Iranian men gaining. 16.5cm.

上个世纪,人们变得更高了,韩国女性的平均身高增加了20多厘米,伊朗男性的平均身高增加了16。5厘米。

四级真题- 2019年 6月 3卷 阅读B

5、

The length for the deposit to cover the Hull cell test panel is up to over ( 8 cm;)

镀层覆盖赫尔槽试片长度达8cm以上;

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6、

The performance and power density of PEM fuel cells, whose effective reaction area is 4 cm × 4 cm, are tested by fuel cell test station.

方法运用燃料电池测试站对有效面积为4cm×4cm的PEM燃料电池单体的性能和功率密度进行了实验测试。

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7、

A test-piece is shaped into a beam of about 20 cm length and its upper surface is highly polished. The test-piece is bent convex upwards; on that occasion one had better plan the maximum bending stress to be about 20 bar or less.

试件加工成20cm长的梁,并高度磨光其上表面,把它弯成向上凸,其最大弯曲应力宜为20bar或稍小一些。

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8、

The thallus grew quickly, average daily growth rate reached ( 11.95 ± 2.33) cm after blade length was over 60 cm.

叶状体生长快速,60cm长的藻体日平均生长量高达(11.95±2.33)cm;

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9、

Secondly, the precipitation and the thaw of ice and snow affect the soil water that from 0 cm soil layer to 90 cm soil layer, and under 90 cm soil layer, the soil water change range smaller during a year.

呼伦贝尔典型草原自然降雨和冰雪的融化对土壤水分的影响深度为0~90cm,在该范围内的土壤水分明显受降雨的影响。90cm以下土壤在年内变化幅度较小,含水量在3%~5%之间。

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10、

The content of soil organic matters reduced with the increase of soil depth in 0-60 cm layers;

0~60cm土层土壤有机质含量随深度的增加而减小;

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11、

The content of soil nitrate nitrogen was the least in the treatment of 30 cm subirrigation pipe depth with prevention film.

在不同渗灌管埋深处理中以30cm埋深且渗灌管下有防渗槽的处理,其硝态氮在表层积累最少。

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12、

At the current density of 17 mA/ cm~ 2, the batteries show a flat working voltage, little electrode polarity effect and nearly theoretical capacity.

充放电测试结果表明,在17mA/cm2的电流密度下,材料工作电压平稳,电极极化效应较小,容量接近其理论值。

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13、

The theory of five elements is a main clue of the doctrine of viscera-state of CM ( chinese Medicine).

五行学说是中医藏象理论的主要基础之一。

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14、

The mechanical design of the 85 cm telescope tube

φ85厘米望远镜镜筒的机械设计

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15、

The results indicate that the highest room temperature conductivity of these polymer electrolytes is 2.81 × 10~ (-3) S/ cm.

结果表明:以P(VdF-HFP)为基质的电解质室温电导率最高达到2.81×10~(-3)S/cm。

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16、

Temperature gradient technique ( TGT) grown Ti-doped sapphire crystals were irradiated by 1.5 MeV neutrons with a dose of 4.32 × 10~ ( 16) neutrons/ cm~ 2. Absorption, emission and excitation spectra were presented.

对温度梯度法(TGT)生长的钛宝石晶体进行中子辐照,中子能量为1.5MeV,剂量为4.32×1016neutrons/cm2。

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17、

The slip coefficient Cm, the thermal creep coefficient Cs and the temperature jump coefficient Ct are determined from the first approximation of the inner solution.

滑移系数C m,热蠕动系数C s和温度跳跃系数C t,做为待定量在内区解的一阶近似中定出。

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18、

The normalized optical path difference sensitivity of the low temperature section is 271.162nm/(℃? cm), it is slightly smaller than the normalized optical path difference sensitivity high temperature section. And it has good linearity and repeatability. 3.

低温段的归一化光程差灵敏度为271.162nm/(℃?cm),较高温段的归一化的光程差温度灵敏度略小,且具有良好的线性和重复性。

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19、

Results: ① 192 temporal branches found in the 100 sides all crossed the zygomatic arch and on the superior border of the zygomatic arch, the distance was about 1.04 ± 0.34 cm toward its posterior end.

结果:100侧标本中,①颞支共192支,均跨越颧弓,在颧弓上缘处,距颧弓后端(1.04±0.34)cm。

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