过

For the first time, it is revealed that the low frequency component of secondary arc current of series capacitor compensated transmission lines has great influence on extinguishing secondary arc and success ratio of singlephase reclosing.

3通过理论分析和仿真计算，讨论了串补装置对输电线路工频过电压、操作过电压和雷电过电压的影响，并对串补电容器组在以上过电压作用时的工作条件进行了计算分析。

It also eliminates external protection circuits by incorporating over-voltage, over-current and over-temperature protection plus brownout and line-compensation functions.

新器件还加入了过电压、过电流与过热保护功能，以及电压过低和线路补偿功能，可以省去外部保护电路。

The results indicated that the use of such membrane could achieve satisfactory separation effects (condensate of high alcoholicity and rich flavoring substances was obtained, membrane-flowing rate: ethanol＞esters except ethyl lactate＞aldehyde＞other alcohol＞water), the membrane had good selectivity to ethanol and ethyl caproate had good membrane-flowing rate and membrane-passing percentage, however, ethyl lactate, aldehyde and methanol had poor mambrane-passing percentage with heavy loss during membrane-passing.

结果表明，渗透汽化膜有良好的分离性能，可得到高酒精度、香味物质富集的冷凝液；过膜速率：乙醇＞酯类＞醛类＞其他醇类＞水；膜对乙醇选择性好，己酸乙酯的过膜率及过膜速率高；乳酸乙酯、醛类及甲醇过膜率较小、损失量较大；渗透汽化膜用于白酒的香气成分分离有良好的工业应用前景。

Looking along the trail, there used to be both magnificence and culpability, both enjoyment and helplessness.

沿着足迹望去，有过辉煌亦有过失落，有过快乐亦有过无助。

Based on the classical nucleation theory and the time-dependent nucleation theory, the thermodynamics and the kinetics for the nucleation of decagonal quasicrystal have been discussed in det...

大量实验结果表明，惰性形核涂层的非晶化程度、熔体过热度、过热保温时间以及循环过热次数等工艺参数将显著影响熔体的初始过冷度。

By means of investigation of parameters (reactant strengths electrobath voltage reaction time reaction temperature membrane stuff material variety and the additive) in the sulfate and sulphuric acid electrolysis process, and compared the electrolysis process through analyzing several important technique factors, found the optimized parameters of peroxysulphate and peroxysulphuric acid electrolysis preparation.

通过对硫酸铵、硫酸电解过程中各工艺参数(反应物浓度、槽电压、反应时间、反应温度、膜材料、阴极室物料种类、添加剂)的考察，并结合对电解过程中重要技术指标的比较分析，确定了电解制备过二硫酸铵以及过二硫酸的较优条件，为工业化电解制备过二硫酸铵以及过二硫酸提供了可靠的基础数据以及工艺参数。

Fairweather worked as a farmhand in Canada, a road-inspector in Shanghai and a bush-cutter in Australia, living variously in a concrete-mixer and an abandoned patrol boat, a converted cinema, an empty goat dairy and a tent.

费尔韦瑟曾在加拿大作过农场工人，在上海作过公路检查员，在澳大利亚作过伐木工；他住过各种各样的地方：装混泥土的大罐子和废弃的巡逻船，装修中的电影院，空闲的羊奶储存处，帐篷。

Time however, and the Satisfaction I had, that I was in no Danger of being discover'd by these People, began to wear off my Uneasiness about them; and I began to live just in the same compos'd Manner as before; only with this Difference, that I used more Caution, and kept my Eyes more about me than I did before, least I should happen to be seen by any of them; and particularly, I was more cautious of firing my Gun, least any of them being on the Island, should happen to hear of it; and it was therefore a very good Providence to me, that I had furnish'd my self with a tame Breed of Goats, that I needed not hunt any more about the Woods, or shoot at them; and if I did catch any of them after this, it was by Traps, and Snares, as I had done before; so that for two Years after this, I believe I never fir'd my Gun once off, though I never went out without it; and which was more, as I had sav'd three Pistols out of the Ship, I always carry'd them out with me, or at least two of them, sticking them in my Goat-skin Belt; also I furbish'd up one of the great Cutlashes, that I had out of the Ship, and made me a Belt to put it on also; so that I was now a most formidable Fellow to look at, when I went abroad, if you add to the former Description of my self, the Particular of two Pistols, and a great broad Sword, hanging at my Side in a Belt, but without a Scabbard.

可是，尽管如此，时间一久，我对食人生番的担心逐渐消失了，更何况我确信自己没有被他们发现的危险。所以，我又像以前那样泰然自若地过平生活了。所不同的是，我比以前更小心了，比以前更留心观察，唯恐被上岛的野人看见。特别是，我使用枪时更小心谨慎，以免给上岛的野人听到枪声。天幸我早就驯养了一群山羊，现在就再也不必到树林里去打猎了。这就是说，我用不着开枪了。后来，我也捉过一两只野山羊，但用的都是老办法，即用捕机和陷阱捉到的。因此，此后两年中，我记得我没有开过一次枪，虽然每次出门时还总是带着的。此外，我曾从破船上弄到三把手枪，每次出门，我总至少带上两把，挂在腰间的羊皮皮带上。我又把从船上拿下来的一把大腰刀磨快，系了一条带子挂在腰间。这样，我出门时，样子实在令人可怕。除了前面我描述过的那些装束外，又添了两支手枪和一把没有刀鞘的腰刀，挂在腰间的一条皮带上。

The sythesis of methyl glycolate by methyl formate coupled with triformaldehyde with the catalyst of superphosphoric acid is exploring researched in this thesis. The point of exertion is the capacity of the new catalysts.

本研究主要对以过磷酸为催化剂催化甲酸甲酯与三聚甲醛偶联合成乙醇酸甲酯进行考查，通过对以过磷酸、浓硫酸及过磷酸与浓硫酸混合酸催化剂时反应现象、乙醇酸甲酯产率等的对比，研究以过磷酸为催化剂偶联合成乙醇酸甲酯反应的催化活性。

They looked at a brochure about a holiday in Greece last night.Tim is interested in going to Greece,but he thinks the holiday is too active for them now.Franco shows Tim a brochure about Brazil.He says there is a great beach,lots of water sports and many nice apartments there.Tim has never been to South America,and he has never tried windsurfing.

他们昨晚看过希腊度假的宣传册，tim对那很感兴趣，但他觉得在那度假太过活跃了。franco给tim看了关于巴西的宣传册，他说那有很棒的海滩，有很多水上运动，还有很不错的公寓。tim从没去过南美，也从未尝试过帆板冲浪。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。