popu相关论文
工农剧社运动的兴起和发展,根源于中国共产党领导下的中国苏维埃运动。工农剧社是中央苏区文艺运动的“大本营”,它通过设立分支机......
Association of serum bilirubin and non-alcoholic fatty liver disease: A feasible therapeutic avenue?
AIM: To the look at the current strength of evidence and the potential application of anti-oxidants in this setting.METH......
A new method for the solution of population balance equations(PBE) describing the micro-processes such as nucleation,gro......
Previous evidence suggests that emotion dysregulation may have different biological correlates between adults and childr......
Distribution of the indigenous microorganisms and mechanisms of their orientational activation in Da
The distribution of indigenous microorganisms was surveyed in Block 1 of Daqing Oilfield. Based on this survey,the indig......
New World Health Organization guidelines recommend the initiation of antiretroviral treatment(ART) for asymptomatic pati......
The contents of zinc, copper, lead and cadmium were measured in the dominant species (plants: Scripus triquetor and Phrg......
Seeding rate is an important management practice for soybean production.Chinese and U.S.soybean growers use different se......
随着老龄人口基数和比重增加，老年痴呆症已经对世界许多国家经济和社会可持续发展带来挑战，因而被WHO赋予全球公共卫生优先权。目前......
Attributable Causes of Breast Cancer and Ovarian Cancer in China: Reproductive Factors, Oral Contrac
Objective:To provide an evidence-based,consistent assessment of the burden of breast cancer attributable to reproductive......
Electroacupuncture-attenuated ischemic brain injury increases insulin-like growth factor-1 expressio
Acupuncture has recently gained popularity in many countries as an alternative and complementary therapeutic interventio......
AIM To analyze the association of the CD36 polymorphism(rs1761667) with dietary intake and liver fibrosis(LF) in chronic......
We study a simplified version of a West Nile virus(WNv) model discussed by Lewis et al.(2006),which was considered as a ......
This paper explores the relationship between humans,human settlements,and cities from the perspectives of citizen partic......
[Objective] This study aimed to investigate the genetic variation of Yunnan Exserohilum turcicum isolates from molecular......
The AIDS surveillant data of Chinese international traveler in 1990-1994 were analyzed by using descriptive epidemiolog......
目的:针对药动学数据稀疏这一典型特征,讨论基于非参数局部多项式技术的数据扩大法在群体药动学稀疏数据中的应用.方法:介绍基于非......
Dissection of QTLs for Yield Traits Using Near Isogenic Lines Derived from Residual Heterozygous Lin
Three residual heterozygous lines (RHLs) carrying heterozygous segments in the intervals RM587-RM225, RM204-RM6119 and R......
Ecological features of Aconitum balfourii (Bruhl) Muk.-an endangered medicinal plant in the northwes
Aconitum balfourii (Bruhl) Muk. (Ranunculaceae) is an endangered medicinal plant. Natural populations were surveyed in t......
Objective:To analyze trends of dengue incidences and deaths in Malaysia from 2000 to 2010 as well as the predominant den......
针对空间数据业务的多类型、大容量等特点,基于AOS(advanced orbiting system)虚拟信道复用技术,分析了AOS虚拟信道调度的多约束问......
Response of successive three generations of cotton bollworm, Helicoverpa armigera (Hübner), fed on c
The growth, development and consumption of successive three generations of cotton bollworm, Helicoverpa armigera (Hübne......
CFD simulation of gas-liquid flow in a high-pressure bubble column with a modified population balanc
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......
[目的]用轮回选择法对甘蓝型油菜核不育两系恢复系的品质性状进行改良.[方法]利用显性核不育系作为轮回选择的异交媒介,导入13份常......
目的:研究塔里木河天然胡杨林部分地区可培养细菌的生态分布.方法:通过塔里木河胡杨林采样,可培养菌分离及16S rDNA序列鉴定.结果:......
Response of successive three generations of cotton bollworm, Helicoverpa armigera (H bner), fed on c
The growth, development and consumption of successive three generations of cotton bollworm, Helicoverpa armigera (Hübne......
【目的】研究2种桑寄生植物寄主种类、寄生感染率和寄生强度的动态,揭示桑寄生植物的种群扩散机制。【方法】以桑寄生植物及其寄主......
近年来,面对盐碱土地的不断扩张、导致耕地废弃土地荒漠化等诸多严峻问题,引发各领域学者的思考;无序的开垦与利用,导致人类与土地......
以1993—2012年湖南省株洲市的常住人口数量为样本数据,对株洲市常住人口数据变化情况进行分析,并分别采用一元线性回归法、二次指......
文章针时三市高职教育的发展主动适应城市群发展的意义和任务进行分析探讨，并对高职教育的资源充分运用于城市群的发展提出了相应的......
Population growth，economic growth，technology changes in relation to environmental changes──A theoret
Ｐｏｐｕｌａｔｉｏｎｇｒｏｗｔｈ，ｅｃｏｎｏｍｉｃｇｒｏｗｔｈ，ｔｅｃｈｎｏｌｏｇｙｃｈａｎｇｅｓｉｎｒｅｌａｔｉｏｎｔｏｅｎｖｉｒｏｎｍｅｎｔａｌｃｈａｎｇｅｓ──Ａｔｈｅｏｒｅｔｉｃａｌｍｏｄｅｌｌｉｎｇａｎａｌｙｓｉｓｏｆｅｎｖｉｒｏｎｍｅｎｔ.........
Measurement of respiration amount of white birch（Betula platyphylla）population in the mountainous re
Ｍｅａｓｕｒｅｍｅｎｔｏｆｒｅｓｐｉｒａｔｉｏｎａｍｏｕｎｔｏｆｗｈｉｔｅｂｉｒｃｈ（Ｂｅｔｕｌａｐｌａｔｙｐｈｙｌｌａ）ｐｏｐｕｌａｔｉｏｎｉｎｔｈｅｍｏｕｎｔａｉｎｏｕｓｒｅｇｉｏｎｏｆＢｅｉｊｉｎｇＦａｎｇＪｉｎｇｙｕｎ，ＷａｎｇＸｉａｏｋｅ（.........
应用相对生长法对不同密度华北沙地小黑杨人工林生物量及其分配规律进行研究。结果表明，用模型形=aD^b估测的27年生1000、500和250......
本文采用文献法、观察法、调查法和逻辑分析法，探讨了武术散打在中小学校开展的情况，以及普及推广的重要意义，并提出相应的对策，旨在为......
研究了在室内几种不同亚致死剂量PH3熏蒸对嗜虫书虱Liposcelis entomophila（Enderlein）平均产卵量、卵孵化率和数量趋势指数的影响,......
根据正交实验理论,设计一种优化RAPD各个反应组分以获得理想图谱的最佳反应浓度方法,能够显著减少反应组分优化次数.大丽轮枝菌(Ve......
以微博用户推荐算法中相似度计算为研究对象,根据微博用户关注信息的特点,分析了关注用户的流行度的不同程度,以及这种程度差异对......
在紫茎泽兰的入侵地四川省德昌县, 选择撂荒地、农田和马尾松林3个不同的生境, 从种子雨、种子库角度研究了紫茎泽兰种子种群动态......
介绍气囊搬运技术在水运工程中的应用情况及推广前景 , 介绍气囊的规格和技术参数 ....
消费、投资和出口是拉动经济增长的三驾马车，而固定资产投资是投资的重要组成部分，在“十一五”期间，它也将继续影响云南省的经济发展......
2009—2016年，每年6月份对高黎贡山百花岭地区的天牛科昆虫进行采集、分类、鉴定和统计分析；结果表明，共采集到天牛科昆虫14个种，其中......
复杂系统中的节点和连边与空间因素有着紧密的联系.交通网络、基础设施网络、Internet、神经网络等复杂网络其内在的演化机制与空......
运用改进的Levins生态位宽度指数和Pianka生态位重叠指数。通过对不同立地条件下样带的比较，分析了主要植物种群在不同立地条件下的......
目的研究丙泊酚靶控输注用于国人老年患者的群体药代动力学.方法 32例择期下腹部开腹手术的患者,ASAⅠ-Ⅱ级,年龄65～82岁的老年患者......
明确适应本地区气候变化和节水需要的小麦晚播适期范围,了解不同品种特性并确定其合理的播种期和种植密度,对充分挖掘小麦品种的产......
为了探明生育前期动态密度稀化下不同产量双季晚稻品种群体自动调节力的差异及其生理机制,以五丰优T025和昌优10号为材料,于分蘖期......
盛京上三旗包衣（即盛京内务府）粮庄初设于顺治初年，为清朝皇室庄园。清朝对包衣三旗下人的人身控制非常严格，规定他们离开居住地都要向......
目的调查中国汉族人群中不同组织中CYP2C19 mRNA表达情况.方法运用半定量RT-PCR方法检测了包括肝脏在内的11种组织中CYP2C19 mRNA......
[目的]为了有效地控制柏肤小蠹的危害。[方法]在陕州风景区内，以龙柏、蜀桧、榆叶梅、红叶李等作为供试树种，研究各种防治技术的防治......
群体遗传结构是影响群体进化的各种因素相互作用的结果，体现了群体进化的历史，而且在一定程度上还可以反映该群体未来的进化潜能。对......
