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One-pot synthesis of pyrrolo[1,2-a]quinoxaline and pyrrolo[1,2-a]pyrazine derivatives via the three-
A simple synthetic protocol has been developed involving the three-component reaction between 1,2-diamines, ethyl pyruva......
Sudburyite is known to occur in many copper and nickel sulfide deposits in China.Its idealformula is PdSb.The three-dim......
White organic light-emitting devices based on fac tris(2-phenylpyridine) iridium sensitized 5,6,11,1
We have fabricated the white organic light-emitting devices(WOLEDs) based on 4,4′-bis(2,2 -diphenyl vinyl) -1,1′-biphe......
Geochemistry of the upper Permian sandstones in the Dalong Formation in the South Yellow Sea Basin,E
To reconstruct the paleoenvironment,the petrography and geochemical compositions of the upper Permian Dalong Formation(F......
Heat Treatment Temperature Effect on the Microstructure and Optical Properties of Dy_2(WO_4)_3 Powde
Dy2(WO4)3 powders were synthesized through liquid-phase reaction.The structure transformation of Dy2(WO4)3 powders were ......
The title compound (C40H42N2) has been synthesized by the reaction of 1-(1- naphthyl)-1-phenyl-3-chloropropylene and bis......
A new forsythenside,4-hydroxy-4-[8-[[1-[(4-hydroxyphenyl)acetyl]-β-D-glucopyranosyl-6-]oxy]ethyl]-2,5-cyclohexadien-1- ......
The mean sea surface heights (sea surface topography) of the South China, East China, Yellow and Bohai Seas are derived ......
Biomarker evidence for paleoenvironmental changes in the southern Yellow Sea over the last 8200 year
Previous studies have indicated that the Yellow Sea underwent significant environmental changes during the Holocene, but......
Vespa velutina var nigrithorax (Lepelletier,1835) is an invasive predator of bees accidentally introduced in France in 2......
Studies on the Community Structures of Meiofauna and Marine Nematode at Six Stations in the Southern
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......
Three-Dimensional Water Quality Model Based on FVCOM for Total Load Control Management in Guan River
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......
Studies on the Community Structures of Meiofauna and Marine Nematode at Six Stations in the Southern
Meiofauna (0.031-0.5 mm) were sampled and studied at a grid of six stations during the cruise of investigation for over ......
介绍了浓香型酒生产副产物酒头、酒尾、黄水、丢糟和甑底水的综合利用方法。酒头酒尾可民调味酒，经勾兑提高成品酒质量；黄水可灌窖、......
青海境内黄河梯级电站分布在唐乃亥水文站和循化水文站之间，利用实测和还原后的径流资料，定量分析了青海境内已建梯级电站对黄河年径......
本文着重研究了干热老化，湿热老化和光老化对蔗渣化机浆H2O2单段和两段漂浆白度稳定性的影响和减少返黄的措施，采用红外光谱解释了有......
In order to examine the seasonal and spatial distributions of benthic animals in the intertidal mudflat of the southern ......
系统总结了人民胜利渠灌区40年来水盐动态状况及水盐运动规律,并对灌区的水盐动态现状进行分析。结果表明:目前,无论地下水埋深还......
对黄色喷印墨水进行了多次制备试验,对产品各组分在喷印墨水中的性能和作用进行了深入探讨,并在此基础上对多种配方进行了选优,找......
选择湖北省江陵县5个行政村的水牛和黄牛，用血清学诊断法、饱和盐水漂浮虫卵法、顶管毛蚴孵化法检测日本血吸虫感染情况，并采用抽样......
Development of a Liquid Chip Technique to Simultaneously Detect Taura Syndrome Virus( TSV) and Yello
The aim is to develop a liquid chip technique to detect Taura syndrome virus( TSV) and yellow head disease virus( YHDV) ......
通过对黄河源区弯曲河流的6个河段进行水流特征和边岸植被特征等方面的野外调查研究，分析了河岸植被对弯曲河流河床演变的影响。结......
为了找出影响南水北调工程向黄河相机补水的主要因素,采用数据挖掘方法SVM模型对比分析了多种因素,模拟结果表明：入库流量、下泄量......
如何穿越黄河是南水北调东线工程的关键。30多年来，针对南水北调东线工程穿越黄河的位置、方式、线路及设计方案，有关单位做了大量的......
This last decade, Burkina Faso has been confronted with yellow fever confirmed cases, mainly from Western part of the co......
该法生产黄酒时，除用传统的糯米外。还添加了营养价值高的红薯叶为原料，用α淀粉酶液化；黑曲霉。根霉培养液糖化；通过正交试验得出：糯米......
研究了黄河干流内蒙古清水河段黄河水中表层沉积物与铅（Ⅱ）相互作用以及脯氨酸对其的影响，得出了离子交换率E％－pH关系曲线，该曲线的突跃......
１ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｆｌｕｖｉａｌｐｒｏｃｅｓｉｎａｎｅｓｔｕａｒｙｉｓｃｏｍｐｌｉｃａｔｅｄｕｎｄｅｒｔｈｅａｃｔｉｏｎｏｆｒｕｎｏｆ，ｔｉｄａｌｆｌｏｗ，ｗｉｎｄｉｎｄｕｃｅｄｃｕｒｅｎｔａｎｄｗａｖｅｅｔｃ．Ｅｓｐｅｃｉａｌｙ，.........
Base saturation percentage (BSP) is an important soil chemical index in soil fertility and soil taxonomy. However, it is......
