碳
- 与 碳 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Summarizing results show that study on the experiments and simulation of mechanical behaviors of carbon nanotubes is testing and simulating about its parameters, such as Young's modulus, shearing strength and tensile strength, the advantage...
综述结果表明:碳纳米管力学行为的试验与仿真研究主要表现在采用不同的试验方法与势函数对其弹性模量、抗剪强度、抗拉强度等参数进行测试与计算仿真,分析了这些方法用于研究碳纳米管力学行为的优缺点。
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This article introduced the new type wear resisting and blockless sieve plate from the construction and material .
本文从筛板结构及材质两方面介绍了所开发的新型防堵耐磨筛板,其结构为高碳低合金铸造筛条和低碳结构钢框架焊接结构。
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The stability of sliding contact of metal impregnation carbonmaterial is worse than that of copper-base powder metallurgy material.
4浸金属碳材料的减摩性不如铜基粉末冶金材料的,其摩擦系数比铜基粉末冶金材料的摩擦系数大,其值分别大了14.4%—150%;同时,浸金属碳材料的摩擦稳定性也不如铜基粉末冶金材料的。
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In order to require of the decarburized layer depth of T11A~T13A carbon tool steel wire rod up to the GB/T1298-1986 standard,the correspond heating processes for roughing soaking pit,pusher-type furnace for structural steel and rail and step-by-step furnace for wire were established based on the feature of T11A~T13A carbon tool and process technology in Pan Steel Co.
为使攀钢T11A~T13A碳素工具钢盘条的脱碳层深度满足GB/T12 98 1986标准的要求,根据T11A~T13A碳素工具钢的特点及攀钢的生产工艺,对初轧均热坑、轨梁推钢式加热炉及线材的步进式加热炉制定了相应的加热工艺,生产出的T11A~T13A碳素工具钢盘条的脱碳层全部满足GB/T12 98 1986标准的要求。
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Being combining with products distribution in styrene oxidation, we propose the styrene epoxidation carry out with Ti metallacyclo intermediates, And at the same time Ti-ZSM-5 have properties both catalytic epoxidation and acid-catalysis, namely the skeletal Ti can catalyze styrene epoxidation to styrene oxide and the skeletal Ti and Al can provide Lewis acid site to cause the rearrangement of styrene oxide to phenylacetaldehyde rapidly, the solvolysis to glycols and the cleavage of C=C double bond. Ti-ZSM-5 can also provide Bronsted acid site simultaneously, which is also catalytic center for the solvolysis to glycols.
同时结合Ti-ZSM-5催化选择性氧化苯乙烯反应的产物分布结果,提出苯乙烯环氧化反应可能是通过金属有机环机理进行;Ti-ZSM-5同时具有催化环氧化和酸催化两种功能,其骨架钛可催化苯乙烯环氧化生成环氧苯乙烷,而骨架钛和骨架铝等可提供Lewis酸位使环氧苯乙烷迅速发生重排生成苯乙醛从而使其成为反应的主要产物,同时还可发生加成以及碳碳键的裂解等副反应:Ti-ZSM-5也提供Bronsted酸位,它也是生成加成产物的活性中心。
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Present study has shown that the Arctic Ocean is an area with high production, and it will become a more important sink of carbon under the future's global climate change, the Souther.
文章论述了南北极海区碳循环研究的国内外研究动态,阐述了目前南大洋及北冰洋的生产力水平及碳收支平衡状态,讨论需要进一步研究的一些存在问题以及将来的发展方向。
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The addition of sucrose during the synthesis of LiFePO4 improves the electrochemical performance of the material in term of specific capacity and charge/discharge rate.
以蔗糖分解在LiFePO4电池材料的颗粒间覆碳的方法制备了改性的LiFePO4,对LiFePO4进行表面覆碳改性后其电化学性能包括比容量和充放电效率两方面都得到提高。
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The powder method is found to be satisfactory with a medium quartz spectrograph and an activated a.
采用了交流电弧碳电极粉末法,应用现有的设备(中型光谱仪、不纯碳电极、质量低的照相板)进行试验,找出了比较适当的激发条件和分析线对。
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The influence of environmental variables on distribution of PAHs(1) The concentrations of PAHs were higher in warm temperate zone and subtropical zonethan in low temperature zone;(2) The concentration in plain, hilly land and Ya\'an mountainousregion were higher than in other places;(3) The concentration in paddy fields, dry land andforests were higher than in artificial land and grass;(4) There was positive correlation betweenthe concentration of PAHs and TOC. The correlation was more obvious for 4-rings PAHs thanfor 5-, 6-rings PAHs;(5) The concentration of PAHs in acid soils was higher than in alkali andneutral soils;(6) The concentrations in conifer and spinney forest were higher than inbroad-leaved forest.Part two: The temporal and spatial distribution characteristics of POPs at Basin-MountainTransect.
环境因素对多环芳烃分布的影响(1)温带和亚热带地区土壤多环芳烃含量高于低温地区土壤中多环芳烃含量;(2)在平原、匠陵和雅安市附近的山区多环芳烃含量高于其他地区含量:(3)水田、旱地和林地多环芳烃含量高于建筑用地和草地中含量;(4)多环芳烃含量和土壤总有机碳含量成正比,四环多环芳烃与总有机碳的相关性高于其他多环芳烃的相关性;(5)酸性土壤中多环芳烃含量高于碱性和中性土壤中含量;(6)针叶林和灌木林多环芳烃含量高于阔叶林中的含量。
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It is pointed out that under the condition of the temperature of 1120℃, the reaction time of 16 mm and the carbon content of 27%, the metal transformation rate of sponge iron used for general metallurgy is up to 90%. But the optimal carbon content is 29% for iron sponge to treat DSD acid oxidation wastewater. Under condition of the wastewater's pH value of 3 to 5 and the reaction time of 40min, the removal rates of COD and color are 68% and 90%, respectively. The BOD/COD ratio is up to 0.425 when DSD oxidation acid water is treated with sponge iron.
研究表明:在配碳量27%、反应温度1160℃、反应时间16min的情况下,以铁泥为原料制备的常规海绵铁的金属化率可达90%以上;用于处理DSD酸氧化废水的海绵铁适宜配碳量为29%,用制备出的海绵铁处理DSD酸氧化废水,在pH值3~5、反应时间40min时,出水的COD去除率可达68%、色度的去除率达90%、可生化性指标BOD/COD提高到0.425。
- 推荐网络例句
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By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.
到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。
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The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.
在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。
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There was a conflict between plebs and patricians in ancient Rome in 494BC.
在公元前494年,罗马发生了一次平民反对贵族的斗争。