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对北京医院生物样本库在特定时间段保存的样本进行回顾性横断面研究，检测2019新型冠状病毒（SARS-Cov-2），以防止发生实验室污染和次生危......
A new phycocyanin(PC) fluorescent subunit namedβ_2(18kDa) was isolated and characterized by both SDS-PAGE and isoelectr......
Biomass wastes(almond shell and olive tree pruning) were used in this work as raw materials for the extraction of high p......
A novel and convenient hydrolysis and oxidation method was first used in preparation of carbon contained Y2O3 phosphor p......
Carbon Storage Capacity of Different Plantation Types Under Sandstorm Source Control Program in Hebe
Afforestation and reforestation are effective and ecological ways of mitigating elevated atmospheric carbon dioxide(CO2)......
1 INTRODUCTIONHydrochlorofluorocarbons(HCFCs)and hydrofluorocarbons(HFCs)are alternatives tochlorofluorocarbons(CFCs),s......
Objective To investigate the molecular epidemiological characteristics and antibiotic resistance profiles of Vibrio chol......
IRRADIATION OF HUMAN LYMPHOCYTES WITH He-Ne LASER INCREASES THE BLAST Ⅰ TRANSFORMATION CAUSED BY PHY
The irradiation of human lymphocytes with a He-Ne laser(632.8nm,56J/m~2) elevated the DNA synthesis levol in phytohemag......
The ageing behavior of a pre-stretched thick plate of Al-Zn-Mg-Cu alloy was systemically studied including one-step agei......
The efficiency of an optimization method for acoustic emission/microseismic(AE/MS) source location is determined by the ......
Corrosion science general-purpose data model and interface (Ⅱ): OOD design and corrosion data markup
With object oriented design/analysis, a general purpose corrosion data model (GPCDM) and a corrosion data markup languag......
AIM:To evaluate the efficacy and the safety of combined 5-Fluorouracil,irinotecan,bevacizumab and sirolimus in refractor......
In accordance with the requirement of HIRFL, the study of producing metallic ions was set last year. Thereare several pr......
The determination of uranium isotope abundance is an important analysis item in nuclear fuel cycle.Based on reactor neut......
Crystal Structure Evolution of the Cu-rich Nano Precipitates from bcc to 9R in Reactor Pressure Vess
The crystal structure evolution of the Cu-rich nano precipitates from bcc to 9R during thermal aging was studied in nucl......
When the failed fuel assembly for FBR removed from the reactor core,walls of the assembly are recovered with residual so......
Enhancement of Phenylalanine Ammonia Lyase,Polyphenoloxidase,and Peroxidase in Cucumber Seedlings by
In this study,the activities of phenylalanine ammonia lyase (PAL),polyphenoloxidase (PPO),and peroxidase (POD) were assa......
The effect of three amino acids on the growth of flue-cured tobacco was studied with water culture. The results showed t......
Growth and nutrient accumulation of Brazil nut trees(Bertholletia excelsa) in agroforestry at differ
The Brazil nut tree(Bertholletia excelsa) is a frequent component of agroforestry systems in the Amazon because of its a......
<正>In order to ensure the highest safety requirements, nuclear power plant structures (the containment structures, the ......
正面吊运机是铁路集装箱中心站最重要的集装箱装卸设备之一,其作业效率高低直接影响作业物流系统服务效率和水平。在装卸设备访问......
目的 探讨Disc-FX系统经皮腰椎髓核摘除、射频消融术治疗包容性腰椎间盘突出症的近期疗效.方法 对36例患者进行回顾性分析.结果 36......
Fourty-three cases of globoid dysplasia and signet ring cell carcinoma were stained by mucin and CEA (ABC method). It wa......
俄汉民族的时间隐喻都是通过"金钱、空间、实体"来建构的,但二者之间也存在不同:第一,汉语多采用时间在动的方式,而俄语多使用自我......
本文研究了半圆区域内定长线段的包含测度问题.利用广义支撑函数和限弦函数,得到了这类区域的包含测度.关于非多边形凸域的包含测......
目前，大多数PET材质饮料瓶通过套标机将标签套在灌装旋盖后的饮料瓶上，然后经过热缩炉时标签自动收缩到达指定位置。在套标热缩的过......
1988年Klug给出了第一个稠密域上的不等式合取查询包含问题的算法,但该方法不适用于非稠密域.本文解决非稠密域上的不等式合取查询......
Approximation Method for Flare Slamming Analysis of Large Container Ships in Parametric Rolling Cond
Since the research of flare slamming prediction is seldom when parametric rolling happens, we present an efficient appro......
现代奥林匹克运动的有序开展,需要奥运公权力的公平行使加以保障,而因奥组委＂逆向代表制＂的不合理性以及奥运权力的强制性、扩张性、......
以真空自耗电弧熔炼技术熔炼名义成分为Ti-47Al-2Nb-2Cr-0.4（W,Mo）（摩尔百分数）的TiAl合金铸锭,并以该熔炼铸锭进行无包套的近等温锻造......
The thesis targets at a preliminary comparison of anger metaphors between Chinese and English. Compared in terms of cont......
探讨了民勤干旱荒漠区唐古特白刺夏季容器播种育苗技术,包括种子催芽、营养土配制、苗床设置、营养钵播种方式和苗期管理等。唐古......
为提高20世纪80年代后期营建的1．5代杉木种子园遗传品质和种子产量，以子代材积增益、当代种子产量均高为标准，选择用于成年种子园提质......
在确定50个东亚港口的基础上,按照这些港口在1993—2013年的集装箱吞吐量增长模式,结合康德拉捷夫长波对东亚集装箱港口体系的集装......
文章依据已取得的"包装件混装集装离散优化"研究成果,介绍了储运企业应用配货堆码技术可以实现仓储运输的自动化管理,并能够提高储......
船舶在集装箱码头的装卸作业时间是影响港口竞争力的重要因素，为缩短计划期内集装箱船舶在港口停留时间，以船舶在港时间和泊位空闲时......
危险货物申报员和集装箱检查员的监管是加强集装箱危险货物运输管理的重要环节。建立资质管理制度，将其纳入法制管理轨道，是充分发挥......
香木莲是我国珍贵观赏和高效多用途树种，开发前景广阔。本文从种子的采集和处理、圃地选择和作床、种子处理、苗期管理、病虫害防治......
备件库存系统配置优化是提髙武器装备的战备完好性和降低寿命周期费用的重要途径,但在装备组成结构中,由于部件之间存在一定的隶属......
