Based on GC-MS testing data of many saturated hydrocarbon samples, 17α(H)-C30 diahopanes (C30*) are extensively distrib......

THE Laowangzhai superlarge gold deposit was found in 1984. Although studies on regional structure, geology of deposits ......

An ancient unconformity event is identified within the granulite-facies province of North China, which is marked by the ......

Mineralization distributions are very heterogeneous in nature. As large or superlarge mineral deposits are quite rare w......

Sulfur plays an important role in the generation and evolution of hydrocarbon from organic matter. Here, a pyrolysis exp......

Several homologous series of steranes with alkyl side chains (C1 to C4) at the 3β position have been identified in the ......

The Qilian permafrost of the South Qilian Basin(SQB)has become a research focus since gas hydrates were discovered in 20......

The problem of passing,fibers is an important but unsolved problemin horseradish peroxidase(HRP)tract tracing technique......

Forty-six crude oil samples were selected from the Ordovician in the northwestern part of the Tahe oilfield for detailed......

Objective To investigate the effects of HHV 6 infection on the expression of CD antigen and the difference between GS s......

Sankezhen(Berberidis Radix) is a traditional Chinese materia medica,cold in nature and bitter in taste,for treating synd......

The condensates are generally characterized by high maturity,low concentration of steranes and ter-panes biomarkers and ......

Here, we review research on the mechanisms underlying the ability of thrombospondin to promote synaptogenesis and examin......

Forest management such as timber harvesting shapes fire regimes and landscape patterns, and these patterns often differ ......

我在这些诗篇中对自己提出的主要目标,就是从平淡生活中选取各种事件和场景,并自始至终尽可能选用真正被人们使用的语言来讲述或......

This research deals mainly with the use of the vegetative cells of a marine red alga Porphyra hailanensis (laver) as se......

Objective Shale oil occurs in free state(including condensate state),adsorption state(adsorbed on kerogen and mineral pa......

Daan oil field is located in the secondary belt of DaanHonggang terrace of the central depression area in the south of S......

Glioblastoma multiforme(GBM)is a lethal,therapy-resistant brain cancer consisting of numerous tumor cell subpopulations,......

The plant regeneration frequencies of ealli fromplant tissue and cell culture,especially that of thecalli from rice tis......

Under stress conditions such as droughthigh-salinity and low-temperature, the transcription factorof DREB (dehydration r......

According to the latest data released by i Research,in the third quarter of 2014,China online trade transaction reached ......

To reveal the suitability of using mature embryos as an explant source in wheat tissue culture, mature embryos from eigh......

Crude polysaccharide and triterpene levels were determined in the fruit bodies of eleven Lingzhi samples,designated as G......

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 Linnan subsag is the main oil producer of the Linpan oil zone. Based on the oil group composition, gas chromatograph......

通过棉纤维成熟度,纤维细度对纤维在水中膨化作用和毛细吸收效应影响的分析,提出:纺织生产的用棉混配中原棉的不同品种、产地,未成......

探讨消除针织物横档的纺纱质量控制途径和方法。分析了纺纱原料及纺纱过程中造成针织物起横档的主要原因，阐述了主要控制措施。指出......

从党的建立到抗日战争前,我党经历了北伐战争和土地革命战争,革命的曲折发展,党对历史经验的系统总结,推动毛泽东思想的发展使之走......

目的:观察NF-κB抑制剂吡咯烷二硫代氨基甲酸酯(PDTC)对树突状细胞(DC)成熟的影响.方法:利用PDTC作用于体外培养的大鼠不成熟DC,细......

分析研究了扎鲁特盆地晚二叠世林西组烃源岩芳烃馏分中甲基菲异构体的相对组成及其变化.研究结果表明林西组中上部烃源岩中甲基菲......

综述促性腺素释放激素类似物 (GnRH a)缓释制剂 (SRDS)、人绒毛膜促性腺激素 (HCG)SRDS、类固醇激素SRDS :雄烯二酮 (ADSD)和 17α......

以某高层建筑为例,介绍了混凝土的冬季施工技术,并依据JGJ 104-97建筑工程冬期施工规程对该结构的混凝土墙体进行了温度验算,对混......

蚯蚓可加速城镇污泥堆肥腐殖化进程,改变腐殖质及其组分的结构.紫外-可见光谱法可利用紫外-可见光谱参数对腐殖质结构的表征来评价......

应用Spindle-view对体外成熟培养20、22、24和26 h的牛卵母细胞减数分裂纺锤体进行了观察;同时也对小鼠、家兔、山羊和猪等动物成......

在介绍污泥好氧堆肥处理技术特点基础上，分别探讨了污泥好氧堆肥过程中的各种物料平衡概念及平衡关系，分析了污泥含水率、污泥含固率......

通过流体包裹体研究表明，在中国东部具备“生、储、盖”条件的新生代沉积盆地内油气生成和演化与其中流体包裹体均一温度的高低有密......

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