ADDITION相关论文
【Abstract】Animal words not only have conceptual meaning but also have rich associative meaning. This paper analyzes si......
【Abstract】This paper aims to explore the importance of service employees in any sport service organisations.With the m......
报道了在Lewis酸促进下三丁基烯丙基锡与芳香酰腙合成N′-烯丙基芳香酰肼的一种新型的亲电加成反应.合成了7个未见文献报道的新化......
Effect of N and P addition on soil organic C potential mineralization in forest soils in South China
Atmospheric nitrogen deposition is at a high level in some forests of South China. The effects of addition of exogenous ......
走出机场的时候已经是凌晨1点多了.台湾的夜晚,风很大,凉凉的,想着跨越半个世纪之上的这条路就这样简简单单,还没有准备好隆重的心......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Characterization of Thinopyrum intermedium Alien Chromosomes and Their Translocations in Wheat Deriv
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
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乙酰丙酮酸乙酯作为重要的有机合成中间体,主要通过克莱森缩合反应来制备。由草酸二乙酯、丙酮、乙醇、金属钠合成乙酰丙酮酸乙酯......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目的设计合成甲氧苄啶(TMP)的2个重要杂质TMP-A和TMP-F。方法以3,4,5-三甲氧基苯甲醛为原料,经过缩合、重排、加成、环合、氯代及......
The State Administration for Industry and Commerce recently said it has suggested the addition of an article in the Adv......
In addition to the success of onomic integration,the ultural effects of globalization have been considerable.The increas......
Theoretical investigation on regioselectivity of aromatic ketones in the addition with olefin cataly
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The reaction between urea and formaldehyde in water solution was theoretically investigated by using B3LYP and MP2 metho......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
An all-optical adder/subtractor (A/S) unit with the help of terahertz optical asymmetric demultiplexer (TOAD) is propose......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Raman and optical absorption spectroscopic investigation of Yb-Er codoped phosphate glasses containi
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Ⅰ.Introduction rnWashing ton Irving (1783-1859) plays an essential role in American literature.He is the first prose st......
this essay is mainly talking about the benefits and drawbacks about social media....
通常认为,蛋鸡和肉鸡对镰刀霉菌属霉菌毒素脱氧雪腐镰刀菌烯醇(DON)和玉米赤霉烯酮(ZON)有很强的耐受力.......
四辊轧机在轧制过程中,辊系受力非常复杂,研究辊系的振动除考虑其它因素外还应考虑万向接轴附加弯矩的影响。建立工作辊耦合动力学......
钢铁厂产生的矿渣中很大一部分来自氧气顶吹转炉(LD转炉)和吹氧转炉工序.LD工序的主要目的是将熔融的铁水和废钢转化为优质钢.在印......
This paper presents a DNA algorithm which adds two nonnegative binary integers using self-assembly in constant steps. Th......
Theoretical investigation on regioselectivity of aromatic ketones in the addition with olefin cataly
Ab initio method is employed to study the structures of twelve aromatic ketones at HF/3-21G, HF/6-31G and HF/6-31G* leve......
关于A+B以及A+^B的性质问题,一直是数论与组合数学中的困难课题和重要问题。本文首先指出,在一般情况下,关于Sark?zy的一个加法剩......
报道了水解酶催化二乙基锌与芳香醛的加成反应,对反应条件进行了优化.在最适条件(嗜热酯酶APE1547为酶源,反应温度40℃,氯仿为溶剂......
翼缘混凝土的徐变会影响型钢-混凝土组合梁的长期变形.本文建立基于混凝土徐变系数的组合梁长期附加挠度的计算公式,分析研究国内......
