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Result］ The explants were treated by 0.1% HgCl2 for 20 min and the asepsis material could be obtained.

结果］用0.1%升汞处理外植体20 min，可获得无菌材料。

Methods 16 patients who were diagnosed as myasthenia gravis with initial head and neck symptoms were determined by a pure tone audiometer and acoustic immitance measurement and then the acoustic reflex was reexamined 30 min after injection of Neostigminum sulfate 0.5～1?

对以头颈部和五官症状为首发症状而到我科初诊的16例重症肌无力患者进行纯音测听和声导抗检测，并在肌肉注射甲基硫酸新斯的明0.5～1.0？mg，30？min后复查声反射。检测用0.5、1.0、2.0和4.0？kHz的纯音作同侧和对侧刺激，比较用药前后有无声反射及其阈值、振幅变化、有无衰减等。

The average operation time was (28±7) min.

平均手术时间(28±7)min。

Results Half-life( t1/2) of PDDZ degradation in 20% rabbit plasma was 210 min and the parent drug AZT was the degradation product.

在不同流动相条件下测定齐多夫定和PDDZ的含量。结果 PDDZ在体积分数为20%的家兔血浆中的降解半衰期为210 min，降解产物为AZT。

The results indicate that back electromotive force increases with increasing current density and decreases by 0.5 V after adding 2% Li2CO3, the feeding period is 15 min measured by the method of electric potential control. Finally, the Al-Li alloy with the lithium content of 7.93% can be obtained by electrolyzing for 3 h at the current density of 0.62 A/cm^2 and at 680 ℃, and the current efficiency can reach 74.1%.

结果表明，反电动势随电流密度增加而增大，加入2%的Li2CO3可使反电动势降低0.5V；通过控制电位法测得加料周期为15 min：在680℃、电流密度为0.62A/平方公分的条件下持续电解3h，最终制得了理含量高达7.93%的铝锉合金，电流效率可达74.1%。

The results showed that the optimal press is 19～65 kPa and the optimal interval of backwash is 25 min.

该装置在运行压力为19~85 kPa，反冲洗间隔为25 min的条件下连续运行。

It can processes the banknote at speed of 800/min without misclassification.

美元处理系统的速度可达800张/min，拒识率小于0.01%。

The experimental results showed that the raw materials can be totally conversed when reacted for 45 min;and the average size of prepared barium carbonate was 1 μm.It also discovered that crystal water was not feasible for accelerating the reaction speed and increasing the degree of crystallization.

试验结果表明：反应45 min原料即可完全转化，制备的碳酸钡颗粒平均尺寸约1 μm，并且发现利用结晶水加快反应速度、提高产物结晶程度是不可行的。

The results show that the castor oil with barium hydroxide as catalyst in the transesterification reaction in the appropriate conditions: methanol to oil molar ratio of 6:1, 10:1, catalyst amount, reaction time 90 min

结果表明，蓖麻油在以氢氧化钡为催化剂的酯交换反应中适宜条件为：醇油摩尔比6：1，催化剂量10：1，反应时间90 min 不要翻译软件的！追加50！

The results show that the appropriate conditions of castor oil with barium hydroxide as catalyst in transesterification reaction are: the molar ratio of methanol to oil is 6:1, castor oil to catalyst is 10:1, reaction time 90 min, the yield is 98.20%, the castor oil conversion rate is 75.13%.

结果表明，蓖麻油在以氢氧化钡为催化剂的酯交换反应中适宜条件为：醇油摩尔比6：1，蓖麻油与催化剂摩尔比10：1，反应时间90 min，生物柴油收率98.20%，蓖麻油转化率为75.13%。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐