The controllable intramolecular amidoarylation and hydroarylation of alkynes has been achieved via rhodium(iii)-catalyzed C - H activation. The merger of two distinct reaction pathways allows for the development of atom- and step-economic protocols for the switchable synthesis of 3,4-fused indoles ...
起订数 1个起批 100个起批 发货地 江苏苏州 商品类型 电子元器件 、 集成电路(IC) 、 其他集成电路 商品关键词 YF2A15、 015UB5M2A15、 西克传感器、 SICK、 Sensor、 1 商品图片 商品参数 品牌: 西克传感器SICKSensor 包装: 箱装 长度-总体: 5.9mm(长) 特性: 连接电缆 RoHS: 是 产品种类...
作者: S Chakraborty,HP Sharma,SS Tiwary,C Majumder,P Banerjee,S Ganguly,S Rai,Pragati,S Modi,P Arumugam 展开 摘要: The toxicities of fenvalerate, per-methrin, methamidophos, and carbaryl to cabbage aphids were determined in laboratory tests using a leaf disc residue method at 15 and 25°C...
Missile launch counter for jet valley fire system includes end switches attached by metal latches and nuts to stopper devices of each guide tube, and memory unit with display panel. End switches are connected to memory unit to send signals from each end switch at the moment of its actuation ...
摘要: 梅尼埃病患者62例,分为2组.34例(年龄58±s14a)口服地奥心血康200mg,tid;28例(年龄53±10a)服氟桂利嗪5mg,bid(加烟酸100mg tid或箕西汀片5mg tid),疗程均为7d.2组有效率分别为94%和82%(P>0.05).地奥心血康起效快,症状消失早,无不良反应,提示该药对梅尼埃病有良好疗效.关键词:...
引起社会对昆曲民间组织的广泛关注同时,增加昆曲文化的辐射范围,为昆曲的传承发展提供新的思路和实践案例,使昆曲能够"活在当下",并完善非物质文化遗产保护体系。 黎茵,刘卓尔,姚湘林 - 《智库时代》 被引量: 0发表: 2018年 江苏非物质文化遗产的新型传播策略——以扬州、南京、徐州、苏州为例 自2001年中国昆曲艺...
摘要:本文选取青海海西蒙古族藏族自治州白,红,黑三色藜麦,测定其总黄酮和花青素的含量,并对其抗氧化活性及抑菌活性进行探究.结果表明,不同粒色的藜麦中总黄酮和花青素含量差异显著,其中黑色藜麦的总黄酮和花青素含量显著高于红色藜麦和白色藜麦,达到了2.811mg·g-1和57.88μg·g-1.花青素含量和总黄酮含量呈显著正相关...
G Castelli,E Ottaviano,A González - 《Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science》 被引量: 28发表: 2010年 On the Analysis of Large-Dimension Reconfigurable Suspended Cable-Driven Parallel Robots In this paper, a new type of large-dimens...
Why Rural Matters 2007: The Realities of Rural Education Growth "Why Rural Matters" is the fourth in a series of biennial reports analyzing the importance of rural education in each of the 50 states and calling attentio... J Johnson,M Strange - 《Rural School & Community Trust》 被引量: ...