A physical and distillation method was applied to the separation of an isopropanol-cyclohexane andisopropanol liquids.

1、

Methods : Vitamin A extracted from ChengzhiYuyou by using cyclohexane was determined by using the derivative spectrophotometry.

用环已烷萃取橙汁鱼油中的维生素A后,用一阶导数分光光度法测定其含量.

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2、

Using phenylamine and acetic acid as raw materials, cyclohexane and toluene-p-acid as dehydration and catalyst respectively.

以苯胺和冰醋酸为原料, 环己烷为脱水剂,对甲苯磺酸为催化剂,采用正交实验法,探讨了乙酰苯胺合成的适宜工艺条件.

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3、

Organic chemists accepted the theory of the average planar cyclohexane ring.

有机化学家接受了平均平面环己烷的理论.

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4、

Such research is absolutely necessary because FA cycloid drive is offen applied in high precision transmission.

由于FA减速器常用于高精传动中,因此,该方面的研究是非常重要的.

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5、

Pinhole machining of pin gear housing is one of important procedures in manufacturing cycloid speed reducer.

针齿壳销孔的加工是摆线针轮减速器制造的重要步骤之一.

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6、

The pressure angle formulas of inside and outside profiles of the cycloid grooves are respectively deduced.

推出内、外摆线槽实际齿廓的压力角计算公式.

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7、

The cycloid-shaped gears are used widely in mini-gearing, which reduces gearing and increases its transmission ratio.

摆线轮能够减小传动器尺寸,提高传动比,在小型传动机械中得到广泛的应用.

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8、

The construction principle and driving principle of cycloid steel ball planetary transmission are analyzed.

研究了端面啮合摆线钢球行星传动的组成结构和传动原理,计算了该传动的传动比.

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9、

Our use of advanced dual-cycloid the seven countries of the patented technology and design.

本厂采用先进的双摆线七国专利技术而设计的.

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10、

The cycloid has an isochronal pendulum.

摆线具有严格的等时摆.

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11、

The use of motor speed control, automatic cycloid.

采用可调速电机, 自动摆线.

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12、

Double crank four ring-plate type cycloid drive is a new type drive.

双曲柄四环板式针摆行星传动是一种新型传动.

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13、

The vibration performance of cycloid ball planetary reducer was analyzed.

分析摆线钢球行星传动减速器的振动特性.

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14、

For this reason the cycloid is called the tautochrone.

由于这个缘故,摆线又叫做等时曲线.

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15、

First, the operating principle of cycloidal gear pump is analyzed in this article.

本文首先分析了摆线油泵的工作原理,并进一步分析了目前采用的齿形的缺点.

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16、

The cycloidal equidistant-curve worm gearset is the new type of worm and worm gear transmission equipment.

摆线等距曲线蜗轩是一种新型的蜗杆传动.

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17、

Extrusion System: frequency variable motor, cycloidal pin gear speed reducer and high qualitynitrifiedfeed cylinder screw.

挤出系统: 变频调速电机、摆线针轮减速箱加优质氮化料筒罗杆.

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18、

Our main products: reducer , gear motor, bevel gear, worm-gear motor, cycloidal reducer and variator.

公司主要产品有: 齿轮减速机; 蜗轮蜗杆减速机; 螺旋伞齿轮减速机; 摆线针轮减速机及无级变速器.

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19、

In 1974 Darwin was devastated by Cyclone Tracy.

1974年达尔文被热带气旋特蕾西夷为平地.

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20、

Choosing a rational cyclone is critical to acquire the best separation effect.

合理选配水力旋流器是获得最佳除砂、除泥效果的关键.

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