中文名称: 中文同义词: 英文名称: rac-(3aR,7aS)-1-methyl-octahydro-1H-imidazo[4,5- c]pyridin-2-one hydrochloride 英文同义词: rac-(3aR,7aS)-1-methyl-octahydro-1H-imidazo[4,5- c]pyridin-2-one hydrochloride CAS号: 分子式: 分子量: 0 EINECS号: 信息错误报告 您的Email: 按...
央视网消息:北京时间8月13日21:00,英超第1轮,热刺对阵布伦特福德。上半场,麦迪逊送出助攻,罗梅罗头球破门后伤退,孙兴慜送点,姆贝莫主罚命中,维萨将比分反超,埃莫森补时扳平;下半场,热刺占据优势,布伦特福德通过反击制造威胁,双方均未破门。最终,热刺2-2战平布
解答 解:(1)As为ⅤA族33号元素,电子排布式为:1s22s22p63s23p63d104s24p3,故答案为:1s22s22p63s23p63d104s24p3;(2)根据元素周期律,Ga与As位于同一周期,Ga原子序数小于As,故半径Ga大于As,同周期第一电离能从左到右,逐渐增大,故第一电离能Ga小于As,故答案为:大于;小于;(3)AsCl3中价层电子对个数=σ...
As hammering device null 优质文献 相似文献Insertion of K-wires by hammer generates less heat: A study of drilling and hammering K-wires into bone The mean time for the temperature exposure in the cases of drilling was 50 s and for hammering 41 s. The hammering device may reduce the risk ...
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Geothermal energy as a source of electric power: thermodynamic and economic design criteria Geothermal resource characteristics are considered along with the magnitude of the resource, the environmental factors involved, a thermodynamic properties... SL Milora,JW Tester - 《Nasa Sti/recon Technical ...
百度试题 题目中国大学MOOC: 2. We write for various reasons, such as to convey ___ or just to keep a record of what is in our life.相关知识点: 试题来源: 解析 messages 反馈 收藏
THE IMAGE ORTHICON AS IMAGE AMPLIFIER AT LOW LEVEL photographic filmrecording systemssensitivitytelevisionvelocityThe use of a television system for recording faint luminescent images which last for a very short;... Tanasescu - 《Amplifiers》 被引量: 0发表: 1960年 A Method of Producing a Photograph...
来自 掌桥科研 喜欢 0 阅读量: 10 作者: 高天,王志红(指导教师) 摘要: 评点给予过伤害并不可怕,可怕的是从来都不知道自己的所做是错误的.当意识到错误的存在并已经弥补的时候,相信,你总是会清晰地听到原谅的声音! 关键词: 小学 作文 语文教学 《我为桌子“疗伤”》 高天 年份: 2009 ...