Market prospect and production methods for pyrocatechol and hydroquinone are reviewed.

Hydroquinone and hydrogen peroxide build up in the insect's abdomen.

苯二酚和过氧化氢存在昆虫的腹部制造.

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Hydroquinone is an important chemical material and intermediate in industrial chemistry.

对苯二酚是一种重要的化工原料和中间体.

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Including two root, its surface as water roller transfer with hydroscopicity better water roll chemiluminscent.

一般均为两根, 它的表面同传水辊一样包有吸水性比较好的水辊绒.

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At the same time both hydroscopicity there are bigger differences between fiber fast-absorbing water absorption, coatings.

同时两者的吸水性也存在比较大的差别,纤维吸水快, 涂料吸水慢.

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For card printing and membership card manufacturing of printer materials desirable hydroscopicity, synthetic paper as well.

供制卡和会员卡制作用的承印材料最好是有吸水性的纸 、 合成纸也适用.

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All the water of the earth's surface is included in the hydrosphere.

地球表面的水都属于水圈的范畴.

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The hydrosphere and the lithosphere together form the Earth's surface.

水圈与岩石圈一起形成地球的表面.

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These dissolved materials thus pass from the lithosphere to the hydrosphere.

因此,这些溶解了的物质就从岩石圈转移到水圈.

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Good ventilation and be beneficial for hydrosphere reeked, an keep foot clean and comfortable.

利于散发汗热、透气性强; 保持足部干爽、舒适.

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This date ( month-year ) also indicates the original hydrostatic test.

该日期 ( 月 -年 ) 还说明了最初的流体静力学测试的日期.

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The velocities are independent of hydrostatic pressures.

速度与流体静压力无关.

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In particular, the powerful and recently developed hydrostatic reconstruction method is detailed.

尤其, 这种强有力和最近发展的液压静力重建方法被详述.

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Over pumping of ground-waters produces a difference in hydrostatic head in favor of the seawater.

过量抽取地下水时,产生利于海水的流体静力学水位差.

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Below the water table at static equilibrium, hydrostatic pressure potential increases with increasing depth.

在水面以下,当静态平衡时, 静水压力随深度而增加.

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The aperture restrictor is an important component in the hydrostatic support system.

液体静压支承中节流器是不可缺少的重要组成部分.

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Sealing type upstream pumping principle are hydrodynamic pressure and hydrostatic pressure equilibrium.

上游式泵送密封的原理是动水压力和静水压力相平衡.

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An electric-hydraulic proportional control over cannon hydrostatic driving system was developed.

将静压传动应用于火炮的驱动装置中,实现火炮驱动系统的电液比例控制.

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It is this hydrostatic pressure that maintains the turgidity of plant parts.

就是这种流体静压维持植物各部分的膨胀度.

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Topics covered include hydrostatics, transverse stability, and incorporation of the design spiral into one's working methods.

涵盖主题包括静水力学, 横向稳定性, 以及将设计螺旋融会到个人的工作方法中.

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Jacinta: No, I'm here for a course of hydrotherapy at the spa across the square.

哈辛塔: 不是, 我是来广场对面那个矿泉做水疗.

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