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There is a 1930s-vintage2 restaurant in my hometown that has done little to update itself over the past 80 years. This i......
<正> We collected a sample of massicot in a warm spring sediment in Chongqing, Sichuan, in March 1954. The massicot was ......
From the mid 1980s through the late 1990s, the channel of the lower Yellow River experienced serious shrinkage, which ha......
Synthesis and structure of fused ring containing phosphorus compound--pyridinium 8, 9, 16,-17-tetrad
The syntheses of pyridinium of 8,9,16,17-tetradehydro-6,14-dithiono-7,8,15,16-tetraza-5,13-dioxa-6,14-diphospha-dibenzo......
Investigation of the guided-mode characteristics of hollow-core photonic band-gap fibre with interst
This paper investigates the guided-mode characteristics of hollow-core photonic band-gap fibre (HC-PBGF) with interstiti......
Multiple natural and human factors in estuarine wetlands result in complicated land surface characteristics with distinc......
Factor analysis to detect the causes of land degradation in Maduo County, northeastern Qinghai-Tibet
本文通过对荣华二采区10...
Cu (I) catalyzed alkyne-azide cycloaddition (CuAAC) reaction,a typical “click” reaction,is one of the modular syntheti......
Sequence analysis of virus isolation DNA of tobacco leaf curl disease shows that there is the second geminivirus (not C......
In order to comprehend temporal pattern of the larvae population of the yellow rice borer, Tryporyza incertulas, and pro......
Two new xanthones, 1, 6, 8-trihydroxy-2, 3-methylenedioxyxanthone 1 and 1, 4-di- hydroxy-6, 7-methylenedioxyxanthone 2, ......
Cd(S1-xSex) pigments (red to yellow) were synthesized by precipitate-hydrothermal method. The structure, morphology and ......
Analysis of genetic diversity and differentiation of artificial populations of yellowhorn (Xanthocer
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......
Occurrence and microscopic analyses of multicellular magnetotactic prokaryotes from coastal sediment
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......
Factor analysis to detect the causes of land degradation in Maduo County, northeastern Qinghai-Tibet
The area of desertified land has increased by 27.3% from 1987 to 2000 in Maduo County,northeastern Qinghai-Tibet Plateau......
本文针对黄河干流梯级水库电站补偿调节问题,生成了2020水平年共17个补偿调节方案;在此基础上,应用补偿调节仿真模型,获得了17个方案......
[目的]为综合评价城市人居环境与经济协调发展状况提供量化手段。[方法]构建经济和人居环境评价指标体系,同时借助于二者的协调度......
探讨棉花贮存过程中回潮率对颜色级的影响。在5%、8%、10%回潮率下选取3种不同等级的棉样,测试分析其反射率与黄度的变化,研究回潮......
Thecurveofionexchangeratio(%)pHoftheinteractionbetwensuspendedparticleswithCd(Ⅱ)intheYelowRiverYangHongwei,JiaoXiaobao,Gu.........
考察了联苯胺黄酸衍生物--FA系列增效超分散剂对黄墨中黄颜料的分散性能,结果表明,选择合适的增效超分散剂与超分散剂配合使用,能明显改善......
采用乙醚萃取法测定己酸菌液和黄水中的有机酸,在检测中发现,两台气相色谱仪所测出的测定值不相符,且差别较大.为了解决该问题,并......
2009年8月,运用静态暗箱-气相色谱法对夏季黄河口滨岸潮滩湿地CO2、CH4和N2O通量的日变化特征进行了原位观测。结果表明,夏季低潮......
《朝野类要》是一部内容庞博、史料真实的辞书式笔记。全书收录三百三十个词条,其中包括典章制度、朝野掌故、习俗用语等方面的词......
针对宁夏渡槽工程安全评价尚未建立统一的技术体系,开展工程安全评价体系研究,以期探索建立科学适用的工程安全评价体系,提高工程......
[目的]研究烤烟品种K326的最佳烘烤温度和湿度。[方法]在烟叶变黄阶段,考察不同温度和湿度条件下烟叶化学成分、石油醚提取物含量......
以22%敌敌畏烟剂、10%吡虫啉WP、2%阿维菌素EC、黄板不同方式组合,研究不同组合处理对设施烟粉虱的防治效果。结果表明:10%吡虫啉WP......
目前,铝合金微弧氧化膜色泽单一,多为白色,影响了其装饰性和在光学仪器方面的应用。为此,以高锰酸钾为着色剂,通过控制电解液的组成及其......
促排多胎素具有刺激成熟卵泡排卵,促进发情,调节发情周期,提高母畜受胎率的功效.本试验应用促排多胎素对农村分散饲养、产犊后久不......
省际交界地带区域合作在近年来逐渐突显,晋陕豫黄河金三角地区具有区域合作的地理条件、产业基础和文化根基,近30年的合作使目前这一......
Stratigraphic Sequences and Their Implication in a Sea Area of the Western Yellow Sea Near Qingdao C
An analysis of seismic data obtained through a cable route survey starting from the Qingdao coast to offshore has determ......
为明确黄板诱集法取样下稻田节肢动物群落结构特征参数的动态规律,采用黄板诱集法,通过2010年和2011年连续2年的调查取样,研究了有......
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介绍了一种海水中有机污染物 (主要包括 :叶绿素、酚、黄色物质、石油 )的现场光学分析系统的测量原理 ,该系统采用光学的方法 ,可......
为利用所在城市3家黄磷企业排出的磷渣,攀枝花集团瑞丰水泥有限公司进行了水泥中外掺磷渣微粉的试验研究。一系列实验室实验结果表......
介绍了东营市水资源概况、需水现状及水资源供需存在的问题,分析了水资源的开发潜力。...
针对自制聚碳酸酯(PC)/聚对苯二甲酸丁二酯(PBT)合金材料在注塑成型汽车门把手过程中的异常变黄现象原因进行分析。对操作人员、注塑成......
到 Shapotou 的从 Daliushu 的黄河的上面的活动范围由五拐弯组成并且有复杂地形学。一个二维的 Re-Normalisation 组(RNG )k- 模......
THE OPTIMAL GRAINSIZE COMPOSITION OF SUSPENDED SEDIMENT OF HYPERCONCENTRATED FLOW IN THE MIDDLE YELL
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Because different peoples have different environments,customs,ways of thinking,religious beliefs,regimes,literature and ......
摘要 目前在防治麦红吸浆虫的药效试验中,尚缺乏穗期防治的试验方法。本试验采用黄色粘板监测麦红吸浆虫成虫的发生动态,在小麦齐......
An improved method of absolute calibration to satellite altimeter: A case study in the Yellow Sea, C
An improved absolute calibration technology based on indirect measurements was developed through two probative experimen......
黄河洪水灾害是中国之忧患。由于历史原因及其特殊的地理位置,河南黄河洪水灾害尤为严重。以黄治黄,运用黄河泥沙放淤固堤,进行堤......
Multiple natural and human factors in estuarine wetlands result in complicated land surface characteristics with distinc......
The area of desertified land has increased by 27.3% from 1987 to 2000 in Maduo County,northeastern Qinghai-Tibet Plateau......