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The result indicate that: the electrodeposition of zinc on nickel and tungsten substrates involves instantaneous three-dimensional nucleation. The coating is the best when the current density is 4mA/cm2 and the temperature is 80 ℃. The coating by the method of the impulse electrodeposition is better than the direct current electrodeposition. Especially when f is 100Hz, ton/toff is 2/8 and J is 8mA/cm2, the coating is clean and uniformity. The crystal size is nearly 0.3μ m .

结果表明:阴极反应为准可逆反应,锌离子在镍电极和钨电极上形核是三维瞬时形核半球形扩散长大过程,直流电流密度为4mA/cm2,温度为80 ℃时,镀层质量最好;脉冲电沉积得到的镀层要优于直流电沉积得到的镀层,尤其在脉冲宽度为2ms,脉冲间隔为8ms,电流密度为8mA/cm2时,得到的镀层光滑而均匀,颗粒大小接近0.3μm。

They are portions of a sphere, a torus or a cone

他们是一球形、环形或锥形的一部分。

Fundamental characteristic and primary parameters are given for power, experimental spherical torus and for hybrid reactor.

文中描述了动力、实验球形环和混合堆的特征与初步参数。

Herbicide tertbutyl triazine was used for removal and control of red tide caused by Phaeocystis globosa and Alexandrium tamarense under laboratory condition.

研究了特丁基三嗪对塔玛亚历山大藻和球形棕囊藻两种赤潮生物的杀灭和控制作用。

Tringle Quadrilateral hexagon octagon and cireular flat shape can be formed. Cambered net shell can have the form of cylinder, olive, ball, etc.

可构成三角形、四边形、六边形、八边形和园形等多种平面形状;曲面网壳则可以构成园筒形,橄榄形、园球形等任意形状。

The tubelike vesicles could be transformed to form monodisperse spherical vesicles by increasing the temperature of the solution from 30 to 60°C.

随着温度从30°C升高到60°C,较长的管状囊泡可以逐渐转变为较短的管状囊泡,最终转变为单分散的球形囊泡。

Nutlets usually light brown, straight, ovoid or narrowly ovoid, tuberculate or smooth; attachment scar at base.

通常的小坚果浅褐色,直,卵圆形或者狭卵球形,具瘤或平滑;附件痕在基部。

But unlike other Type 1a remnants, including the well-studied Tycho, Kepler, and SN 1006, SNR 0104 is definitely not spherical.

但是,其他1a型超新星,包括充分研究过的第谷超新星、开普勒超新星以及超新星1006的遗迹都是球形的,SNR 0104却显然不是球体。

A kind of virus particles were observed in cytoplasm of sampled ill sea cucumber tissues which were sampled from sick sea cucumbers with ulcerous skin and swollen mouth from their farming ponds at the beginning of 2005. The particles were covered with a bilayer envelops, shaped in globular with its size 100-200 nm in diameter. The same virus was isolated from cultured sea cucumbers with disease from different time and sites, and then infected the healthy sea cucumber. sea cucumber appeared the phenomenon such as ulcerous skin and swollen mouth and the same virus was isolated from infected sea cucumbers.

本章从患病刺参中分离出了2株对刺参具有感染能力的细菌,经鉴定1株为弧菌科弧菌属Vibrio sp和1株为弧菌科施万氏菌属Shewanella sp;在患病刺参的触手、肠和呼吸树等组织的细胞质中,检出了球形、具双层囊膜、直径大约为100-200nm的病毒粒子利用分离的病毒进行人工感染实验,刺参可以产生与自然发病刺参相同的症状,显示了分离的病毒对刺参具有一定的感染性。

Topping off each 8- to 10-inch tall plant is a huge spherical orange-red umbel of nearly 200 tiny flowers.

唐培关闭每8 - 10英寸高的工厂是一个巨大的球形橙红色的小花朵umbel近200个。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。