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Energy is a driving force behind the progress of human civilization. Mainly depend on the current human society of non-r......

Based on the analysis of vertical electric potential distribution across the dual-channel strained p-type Si/strained Si......

Oilfield waters from Cenozoic and Mesozoic terrestrial and Paleozoic marine environments in the Tarim Basin show no obvi......

We present an equivalent circuit model for a silicon carrier-depletion single-drive push–pull Mach–Zehnder modulator(M......

Life cycle assessment(LCA) is a technique for systematically analyzing the environmental impacts and resources used thro......

Using eight years of time-variant gravity measurements from the GRACE gravity satellite mission, we estimate monthly ter......

We investigated the weathering-pedogenesis of carbonate rocks and its environmental effects in subtropical regions of Ch......

The effect of homogenization on the hardness,tensile properties,electrical conductivity and microstructure of as-cast Al......

Hepatocellular carcinoma (HCC) may metastasize to many organs. The survival rate is almost zero for metastatic HCC patie......

In the central nervous system, immunologic surveillance and response are carried out, in large part, by microglia. These......

We conducted a two-year study of deficit irrigation impact on peach yield and quality in semi-arid northwest China. Over......

Different nutrient media experimentally were N, P and Fe-limited conditions and a serial of diluted BG11 media. The cell......

本试验旨在研究日粮中添加不同水平的三聚氰胺（melamine，MEL）在鸭蛋中的沉积和消除规律。选用体重为（1．66±0．16）kg和产蛋率为（75．15&#1......

将120只罗曼褐蛋鸡随机分为三个处理组和一个对照组，每组30只，三个处理组的蛋鸡分别饮水投予25、50、100mg·L^-4三种剂量的硝基......

目的：探讨慢性阻塞性肺疾病（chronic obstructive pulmonary disease COPD）思者血清瘦素的水平和意义。方法：观察COPD稳定期患者95例，其......

研究吡利霉素在牛奶中的残留消除规律。常规饲养条件下,对6头健康奶牛乳房注入方式给予盐酸吡利霉素乳房注入剂（5 mg/mL）,每个乳区10......

常规PVT筒衰竭中没有考虑多孔介质的影响,西南石油大学利用超声波测饱和度技术推算地下凝析油饱和度,利用PVT和长岩心衰竭实验数据......

主要检验了自我控制能量损耗的敏感性是否在消极完美主义倾向和学业拖延之间扮演中介作用.招募重点高校和普通高校各210名被试,以......

凝析气藏衰竭开发当地层压力低于露点时，一部分凝析油将析出而损失到地下，同时还会对地层渗流能力和气井产能造成伤害，在条件允许时可......

化工产品储运过程中产生的蒸发损耗是困扰石化储运和环保行业的重要课题，文中以苯装车工艺过程的产品损耗为例，指出推广和采用油气回......

采用常规耗竭法和改进耗竭法研究了茶树氟的吸收动力学参数，对测定和数据处理方法进行了探讨。在常规耗竭法中，茶苗在0．1、0．2mg／L和0．6m......

[目的]用液相色谱-串联质谱法建立鸡蛋中地克珠利残留的检测方法，并考察地克珠利在鸡蛋中的消除规律。[方法]用乙腈和乙酸乙酯的混......

采用增强/耗尽型（E/D）结构的赝配高电子迁移率晶体管（PHEMT）技术,研制开发的射频开关,具有插损低、隔离度高、承受功率大、线性度高等......

本试验旨在研究日粮三聚氰胺在产蛋鸭不同组织中的沉积和消除规律。选用体质量（1.66 kg±0.16 kg）和产蛋率（75.15%±3.29%）相......

在摇瓶和土壤耗竭条件下研究了硅酸盐细菌NBT菌株的解钾作用以及对作物生长的促进作用.结果表明,在摇瓶条件下,培养120h,NBT菌株可......

除对极少数凝析气藏采用循环注气方式开采以外,我国对绝大多数凝析气藏均采用衰竭式开采[1].衰竭式开采采出程度低,大部分资源损失......

选择合适的凝析气藏开采方式是经济有效开发凝析气藏的关键.介绍了衰竭式开采和保持压力开采方式的选择条件.以YH2-3构造E+K凝析气......

普光气田属于高含H2S和CO2海相碳酸盐岩气田，具有气藏埋藏深、地层压力高、有边底水存在等特点。边底水会对普光气田的衰竭开发产生......

为了充分利用现有资源，不断增加资源储备是十分必要的。本文提出3种方式，开展地质探矿；合理利用低品位资源量；加强生产管理。......

几千年的男权特质的文化造成女性的"他者"边缘身份,文学女性的曲解变形.女性主义的写作就是要改变这一状况,恢复女性的主体地位.这......

金属矿产资源在国民经济和社会发展中占有非常重要的地位.但是,由于开采工艺、开采技术参数的局限,会造成资源的浪费.文中介绍了液......

通过解剖松褐天牛雌虫受精囊和室内饲养观察，研究了多次交配对松褐天牛雌虫受精囊内精子数量消耗、产卵量、卵孵化率、产卵历期和寿......

黄河自20世纪70年代出现的断流问题极大地影响着两岸的经济发展、工农业生产和居民生活.从产权经济学的角度对黄河断流的原因进行......

Stroke is one of leading causes of human disability and death. More than 17 million stroke incidences occur in the world......

以埋藏深度大、储层低渗致密的桥口复杂断块凝析气藏为目标,开展了地层流体相态全分析和衰竭式开发特征仿真模拟实验,研究了气藏衰......

Despite the fact that the non-renewable resources industry contributes greatly to regional and national gross domestic p......