formula to calculate the cyclone collection efficiency is developed under the consideration of the dust re-entrainment caused by the velocity distribution in the turbulent layer.

development of two-dimensional turbulent layer in finite depth

有限水深中二维湍流边界层的发展

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she gropes blindly in the dark, desperately seeking the misplaced glass.

她在黑暗中盲目地摸索，拼命寻找那个放错地方的杯子。

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flashing lights in the dark make her wake up.

黑暗中闪烁的灯光使她醒来。

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gabriel kept her in the dark about the truth.

加布里埃尔对她隐瞒了实情。

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in the dark, my hearing becomes remarkably acute.

黑暗中，我的听觉变得格外敏锐。

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he punched the man in the chest ( him on the jaw ).

他一拳打在那人的胸上 ( 他的下巴上 ).

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overlook the world above landscape, the tide tide in the chest.

在景观之上俯瞰世界, 潮起潮落了然于胸.

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after more misses, they shot the lion in the chest.

又有几次没击中后, 他们射中了狮子的胸部.

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he has a severe pain in the chest.

他胸部痛得很厉害.

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each bottle, tube and packet in the chest has a number.

在箱子内的每个药瓶, 软管和药袋都标有数字.

英语晨读30分（高二）

the electrochemical tests indicate that the annealed alloys, compared with as-cast alloy, show a higher discharge capacity, much better cycling stability, especially 1 050 ℃ annealed alloys whose discharge capacity increases to 315.3 mah/ g, 25.9 mah/ g more than as-cast alloy.

电化学测试结果表明，退火合金的放电容量明显提高，其中1050℃退火后合金的最大放电比容量达到315.3mAh/g，比铸态合金提高25.9mAh/g。

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in addition, the cyclic voltammetry and galvanostatic charge-discharge were used to evaluate the electrochemical properties of the as-prepared products. the results indicated that the composite oxide electrodes exhibit fine pseudo-capacitive performance with relatively high specific capacitance and good long-term cycling stability.

同时采用循环伏安和恒流充放电测量合成的样品的电化学性能，测量结果表明，复合氧化物电极表现出良好的赝电容性能，具有相对较高的比电容和良好的长期循环稳定性。

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n-doping graphene possessed the good cycling stability and stable specific capacitance. ( 2) solubility of graphene oxide ( go) and perylene diimide ( pdi) in dmf has also been studied.

氮掺杂石墨烯复合材料具有较好的循环性能和较稳定的比电容。（2）对氧化石墨烯（GO）和苝酰亚胺（PDI）在DMF体系中进行了溶解研究。

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the results show that a partial substitution of co by a small amount of iron, copper and chromium is very effective in improving the electrochemical cycling stability in the la ( nimncoal) 5 alloy.

结果显示，用少量的铁、铜和铬部分取代贮氢合金La（NiMnCoAl）5中的钴对改善贮氢合金电化学循环稳定性有效。

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the electrochemical analyses show that the electrochemical properties of the alloy, such as activation, capacity, cycling stability and discharge ability at different current density, are well improved by supplementing proper mg and annealing heat treatment.

电化学测试表明，增加适当Mg含量和进行退火热处理能明显提高和改善合金电极容量、循环稳定性和大电流放电性能。

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on the basis of the aforementioned studies, it is evident that porous carbon/ sulfur composites, especially for mesoporous carbon, can yield a much improved electro-chemical activity and cycling stability.

在现阶段的基础上，多孔炭-硫复合材料，特别是对于介孔炭材料，可以在很大程度上改善复合材料的电化学活性和循环稳定性。

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in the present work, some novel sb-based intermetallic anode materials with high capacity are developed and their cycling stability is improved by applying nano-technology and composite-technology.

本文旨在开发高容量的新型锑基金属间负极材料，并采用纳米技术和复合技术来改善它们的循环稳定性。

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mesophase carbon microbeads ( mcmb) is an excellent anode material for lithium ion batteries owing to its good electrolyte adaptability, cycling stability and rate capability.

中间相沥青炭微球（MCMB）是目前工业化使用的、综合性能优越的锂离子电池负极材料，具有电解液适应性好、循环稳定性高、倍率性能好等特点。

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lithium iron phosphate is considered as a promising cathode material for the power lithium ion batteries in terms of its low cost, cycling stability, safety and free from contamination.

磷酸铁锂因价格低廉、循环稳定、安全无污染等特点而成为动力型锂离子电池最具有发展潜力的正极材料。

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as a kind of energy storage device, supercapacitors have many advantages over conventional batteries: high power density, long cycling stability, fast charge-discharge rate and being environment friendly.

作为一种能量存储装置，超级电容器具有非常高的功率密度、长循环寿命、充放电速度快、对环境无污染等特点。

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