查询词典 Br.
- 与 Br. 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Br The company is a tenet with sincere letter , with coact , harmony double win for the target .
公司以诚信为宗旨,以共同合作,和谐双赢为目标。
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Not only has it a better ability of electrocatalysis to the redox reaction of Br��� and Tl〓/Tl, but also it has a good response to H〓.
并对制备聚苯胺修饰电极的几种方法进行了比较,从而指出了最佳的聚合方法和条件。
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Brooks BR.E1 Escorial World Federation of Neurology criteria for the diagnosis of am yot rophic lateral sclerosis.
ALS的患病率为4~6/100 000,那么按照中国的人口为13亿,中国应当有大约60 OOOAI S患者。
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Any model to take photos work well for the feature spectral parameters showed no significant difference at 4 exposal models.
不同灌溉量下棉花冠层光谱参数H、Sa、Br、R、G、B和g值之间都没有显著差异,说明图像分析虽然在离体叶中可以检测到叶片含水量区别,但是在大田生产中尚难以应用。
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Formylation and diformylation of dithieno [2,3-b:3',2'-d] thiophene were prepared by two methods. Firstly, aromatic carbanions were prepared by 1 Br/Li exchange of bromo dithieno[2,3-b:3',2'-d]thiophene with n-BuLi in THF at low temperature; 2 deprotonation of dithieno[2,3-b:3',2'-d]thiophene with LDA.
二噻吩并[2,3-b:3',2'-d]噻吩单醛与双醛的制备首先通过两种方法产生芳基负离子:1溴代并三噻吩在四氢呋喃中与正丁基锂发生的溴锂交换;2用LDA对二噻吩并[2,3-b:3',2'-d]噻吩去质子化作用。
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While I can use 腔 of the stomach immediately very for one or two minutes to be able to stand on end how many times br is every day how many seconds it is every time, and the organ in the thoracic cavity moves to the contrary direction and it drips with gastroptosis, the kidney and can reduce it clearly likewise, and the time stands, Osamu own は is not cured.
若每天能做几次倒立,每次做几秒钟至一二分钟,就能使腹腔、胸腔内的器官向相反的方向移动,胃下垂、肾下垂等也会明显减轻,久而久之,不治自愈。
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Five novel asymmetrical molecular tweezers based on diethoxycarbonyl-and diphenyl glycoluril with different substituted groups of aromatic ringsand 1,2 -dihydro-indazol-3-one moiety as sidewalls were designed and synthesized.
合成了五个含单个1,2-二氢-引唑-3-酮和不同取代的苯环(H,OMe,Me,Br)为墙面的基于二乙基酯基甘脲和二苯基甘脲的不对称分子钳。
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The successful br rosy clouds leader is imperatorial flagship product being that rosy clouds makes series black tea red.
彩云红领袖至尊是彩云红系列红茶的旗舰产品。
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The real sage of br, has experienced great things reviewing all the world vicissitudes, from in burning all kinds of taste sour and sweet bitterly, experience dullness desiring to excel over others to the world , strive for fame chasing impudentness benefiting , do not seek fame and wealth thereby high official positions and riches, goes to be fussy about personal gain and loss , all regards coolly, to rest quietly to recuperate the heart.
真正的智者,曾经沧海阅尽人间兴衰,从苦辣酸甜的百味中,体验到人间争强好胜的无聊,争名逐利的无耻,从而淡泊功名利禄,不去计较个人的成败得失,一切都淡然处之,以静养心。
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Results showed that with decreasing ability of the leaving group from iodo, Br, Cl, OAc to N+(CH3)3I-, the SN2 O-alkylation or C-alkylation was inhibited, and the SRN 1 path, leading to C-alkylation, was facilitated.
结果表明,离去基团的离去性能降低,SN2烷基化或烷氧基化受抑制,而是有利于SRN 1途径,使烷基化容易发生。
- 推荐网络例句
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I can not make it blossom and suits me
我不能让树为我开花
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When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.
当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。
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The lawyer's case blew up because he had no proof.
律师的辩护失败,因为他没有证据。