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China Institute of Atomic Energy (CIAE) is currently constructing Beijing rare ion beam facility (BRIF) and is proposing......
[Objective]The aim was to find a way to measure the cholesterol content in deserted oil.[Method]Dual-wavelength spectrop......
[Objective] The aim was to select a resin suitable for the purification of total saponins in FRUCTUS TRIBULI from the 10......
Isolation and identification of Brucella abortus from patients in Guizhou Province for the first tim
Objective To etiologically diagnose and analyze two suspected patients of brucellosis and provide a etiologic basis for ......
AIM:The present study was undertaken to isolate and standardize the various active phytochemical constituents present in......
It is necessary to understand the bacterial populations associated with rice so as to provide more information and natur......
Possible Spread of adenovirus type 3 from poultry to humans:indirect evidence from an outbreak in Ch
Objective:To explore the epidemiology and etiology for an outbreak of acute respiratory tract infection that occurred in......
Phosphatidylinositol polyphosphates (PIPx) are related with tyrosine kinase activation, cell proliferation and carcinog......
From the stems of Marsdenia tenacissima two new polyoxypregnanes were isolated, their structures were elucidated by 1D, ......
AIM: To isolate and identify differentially expressed proteins between cancer and normal tissues of gastric cancer by tw......
Two new 24-hydroxylated asterosaponins,sodium(20R,24S)-6α-O-(4-O-sodiumsulfato-β-D-quinovopyranosyl)-5α-cholest-9(11)......
串列升级在线同位素分离(ISOL)分析磁铁要求场均匀性好于1×10?4。对于场均匀性要求很高的磁铁,必须考虑那些在低场均匀性下忽略的......
中国原子能科学研究院的串列加速器升级工程将利用新建的1台100MeV回旋加速器作为驱动加速器,通过新建的在线同位素分离器,在线产......
在线同位素分离器(ISOL)是串列升级工程中的重要组成部分之一,它主要由真空系统、束流管线、加速系统、聚集系统、导向系统、分析......
初级束流收集器是ISOL靶室系统的重要部件。它位于靶的后方,主要作用是对回旋加速器注入进靶室的剩余束流进行收集,并在靶被打穿的......
A QoS-aware input-queued scheduling algorithm, called Smallest Timestamp First(STF), is proposed, which is improved upo......
We examined the effects of dietary proso-millet protein on plasma levels of high-density lipoprotein (HDL) cholesterol i......
Two new acetylated kaempferol glycosides were isolated from the seeds of Camellia semiserrata Chi,their structures were ......
Phenotypic and Genetic Characterization of Trifolium Rhizobia Isolated from Temperate and Subtropica
The clovers that comprise Trifolium genus are naturalized in the subtropical and tropical zones in China. They are valua......
介绍用反激式功率变换器驱动LED的电路,对电路的工作原理进行详细分析,推导出其电压、电流的关系;介绍了一种常用于反激式功率变换......
HI‐13串列加速器升级工程在线同位素分离器(BRISOL )需对同质异位素进行分辨,谱仪设计质量分辨率为20000,是很高的技术指标,对离子源、......
A new RIB project, the Beijing Radioactive Ion-beam Facility (BRIF), has been running at CIAE since 2004. In this projec......
用3种方法计算在线同位素分离器(ISOL)靶-源中铀靶在100MeV,200μA强流质子束照射下产生的放射性核素活度及γ射线强度随时间的变......
为了判断导致罗氏沼虾(Macrobrachium rosenbergii)发病死亡的原因,本研究从发病濒死的罗氏沼虾中,分离了一株具有生长优势的菌株,......
目的研究虎尾轮根Uraria crinita(L.)Desv.ex DC的化学成分及其体外抗肾间质纤维化活性。方法虎尾轮根乙醇提取物采用硅胶、Sephad......
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【目的】对福建梅花山华南虎繁育研究所一例华南虎幼虎急性死亡病例的致病菌进行分离鉴定及生物学特性研究,为圈养华南虎疫病防控提......
首先采用传统的分离方法从4℃有氧冷藏草鱼去皮肉片货架期终点中分离出3株优势菌株,并对其进行鉴定。随后将这3株优势菌分别回接到......
在一含有亚纯函数的极点的分段光滑封闭曲线上 ,深入讨论了 Cauchy方法的推广 ,由计算亚纯函数的留数和积分 ,得到了与原来的定理......
以野生药用植物铁皮石斛(Dendrobium officinale Kimura et Migo)为研究对象,采用无菌操作技术分离到内生细菌23株,其中来源于根、茎......
目的研究人胰腺癌细胞株PANC-1中肿瘤干细胞的生物学特性。方法将PANC-1细胞进行培养,以CD44和CD24作为细胞表面标志。利用流式细胞......
对于塔梁墩固结的多塔斜拉桥刚构体系,为了适应其主梁因温度引起的纵向变形,并减小桥梁结构温度应力,提出新型设缝双肢墩桥墩形式......
【目的】研究掌握云南省规模化猪场副猪嗜血杆菌的流行血清型及敏感药物,为该省副猪嗜血杆菌防控提供依据。【方法】应用TSA培养基......
目的:构建2019冠状病毒病(COVID-19)防控质量核查体系,规范督察疫情期间制度及流程落实,防范医院感染事件。方法:结合COVID-19相关......
半导体开关管器件作为开关电源中的关键器件,其驱动电路的设计是电源领域的关键技术之一,普通大功率金属氧化物半导体场效应晶体管......
目的:研究假鹰爪叶的化学成分.方法:采用硅胶柱层析及Sephadex LH-20等色谱分离技术分离纯化化合物,根据理化性质及波谱数据来鉴定......
目的对海洋来源的放线菌3295代谢产物中的抗肿瘤活性成分进行分离和鉴定.方法利用细胞周期抑制为抗肿瘤活性指标,采用Sephadex LH-......
目的研究异甘草素(ISO)对顺铂诱导的急性肾损伤(AKI)小鼠的作用并探讨潜在调控机制。方法 30只C57BL/6雄性小鼠随机分为空白对照组......
采用NaCl抽提、硫酸铵分部沉淀和2步离子交换法从黑皮扁豆中纯化得到一种甘露糖专一凝集素(DPL).在非变性电泳中纯化的DPL只有一条......
以大鼠游离肝细胞半数中毒浓度(TC50)和细胞逸出酶(SDH和LDH)为观察指标,研究了25种苯胺类化合物的肝细胞毒性,并利用这些毒性效应数据为因变量,以这些......
通过高效液相色谱和薄层色谱分析阐明了利洛司酮中微量杂质的组成,由柱层析分离及化学合成方法获得两个主要杂质,并经波谱分析确证为......
从云南某猪场采取病料经RT-PCR检测为猪繁殖与呼吸综合征病毒(PRRS)阳性,将其处理后接种到猪肺泡巨噬细胞(PAM)和Marc-145细胞上。接种......
[目的]探索SPF种蛋重量对病毒分离培养的影响。[方法]以蛋形正常稍重(62~72 g)的SPF种蛋为试验组,适宜重量(50~60g)SPF种蛋为对照组,进行......
针对传统基片集成波导功分器结构的多层结构输入输出工艺难以实现且隔离度较低的问题,提出了一种多层集成的高性能基片集成波导功......
对荔枝品种下番枝转基因胚性愈伤组织原生质体分离条件进行了优化.结果表明:转基因胚性愈伤组织抗性细胞系Q811培养16-18d后,转入含8g......
[目的]研究分胎次饲养提高繁殖母猪生产性能的可行性。[方法]将头胎、二胎、三胎母猪分开饲养后进行人工授精,并将一胎母猪后代猪群......
根据750kV示范工程运行经验总结,主要对紫外成像仪在超高压输电工程绝缘检测中的应用做了理论性分析,介绍了目前正在电力系统推广......
考虑微网系统建设成本和运行的灵活性、可靠性,对微网建设初期的接线方案进行了选择。研究了2种微源控制方法,基于微源的不同控制原......