查询词典 life span
- 与 life span 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Statoliths are paired calcified structures within the statocyst providing a sense of balance, and they are also an acceleration receptor showing much information about biology and ecology over the life span.
基金项目:国家自然科学基金项目(NSFC40876090);上海曙光计划跟踪项目(08GG14);上海市教委科研创新项目(10YE127);上海市教委优秀青年基金(SSC-07012);上海市捕捞学重点学科(S30702)资助
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In addition, some occupations such as a policeman, firefighter or steelworker are naturally more dangerous than others, leading to a possibly reduced life span.
除此之外,诸如***、消防员以及钢铁工人这些职业,自然要比其他类别的职业更加危险,从而导致一个人的寿命可能缩短。
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Expatiated on the application theory of basic orbit, including subastral point calculation, visibility analysis, coverage evaluating and spacecraft life-span estimate.
阐述了基本轨道应用分析理论,包括星下点轨迹计算、可见性分析、覆盖评估和轨道寿命估算。
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Because mice typically have a short life span and differ from humans more than pigs, it is less difficult to predict and/or study long-term effects using pigs, Telugu said.
因为小鼠通常寿命较短和猪比与人类有较大不同,使用猪有利于预测和进行长期研究,Telugu说。
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Secondly, preparing terpineol and discussion of its results. It was put up by reaction-temperature, reaction-time, the ratio of catalyst and raw material, the kinds of esterify and dosage, the choice of solvent, catalyst life-span and so on. It was discovered that turpentine transform ratio was 86.29%, the yield ratio of terpineol was 68.89%, the selectivity of solid superacid catalyst was 79.84%.
二,松油醇的制备及结果讨论,从反应温度、时间、物料配比、酯化剂的种类与用量、溶剂的选择、催化剂寿命等几个进行了考察,结果发现反应温度为T3、时间L5小时、酯化剂用F3、物料配比为H3%、溶剂用G等时,松节油的转化率为86.29%、松油醇的收率为68.89%、固体超强酸催化剂的选择性为79.84%。
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The main research object of the reliability theory is the life-span characteristics of the products.
可靠性理论以产品的寿命特征为主要研究对象,通常用一个非负随机变量来描述产品的寿命。
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The chemotherapy alone is not significant to life span in tumor bearing mice with metastasis, breviscapine can improve therapeutic index of chemotherapeutic agents for tumor.
单独化疗对伴随肿瘤转移的荷瘤小鼠生命延长无实际意义,灯盏花素能改善肿瘤化疗药物的治疗指数。
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The results showed tooth wear decreased with increasing protein in their diet, and the life-span of the animals increased significantly with improving health condition.
结果表明在枯草高氟期随着蛋白水平的提高显著改善了相应时期发育的牙齿质量,减缓牙齿的磨损速度,从整体上提高了动物的健康水平,有效延长了动物的生存时间。
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Introduced by technicians of Lifan Motors, the technical difficulty of EV mainly concerns on the optimizing design and displacement, long life-span triphylite batteries with high-speed charging and discharging, and the integration design of electric driving system.
据力帆汽车技术人员介绍,纯电动汽车研发过程中的技术难点主要集中在整车的优化设计和布置、快速充放电且长寿命的磷酸铁锂电池组,以及电驱动系统的一体化集成设计等几个方面。
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In allusion to these difficulties, in the process of researching and developing Lifan320 EV, technicians will attach importance to overcoming small EV unit and the structure of driving system and the optimizing match of parameters; high-performance brushless permanent-magnet motor and the design and industrializing of controller; long life-span triphylite batteries with high-speed charging and discharging and research and industrializing of management system; research of motor, automatic clutch and two-gear transmission; key techniques such as strong power techniques, EMC techniques and whole unit test.
针对这些难点问题,在力帆320的研发过程中,技术人员将重点攻克小型纯电动汽车整车及驱动系统的结构及参数的优化匹配;高性能永磁无刷电机及控制器的设计及产业化;可快速充放电型、长寿命磷酸铁锂电池组及管理系统的研发及产业化;电机、自动离合器及两挡变速器一体化驱动系统的研发;强电安全技术、电磁兼容技术、整车试验等关键技术。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力