搜索结果: 1-15 共查到“知识库 理学 HO”相关记录21条 . 查询时间(0.125 秒)
旨在通过研究高温环境对巴马香猪阴囊温度分布和睾丸组织中抗氧化和细胞凋亡相关蛋白表达的影响，筛选巴马香猪热敏感性指标。选取7月龄性成熟雄性巴马香猪12头，随机分成对照组和高温组。高温组饲养环境温度为24 h内从25℃→40℃→25℃循环变温，连续8 d，第8天试验结束后，取睾丸器官，采用免疫组织化学方法检测抗氧化通路标志蛋白（nuclear factor erythroid 2-related fa...
Forest cover change in ho municipality of the Volta region, Ghana
Deforestation image classification accuracy assessment change detection
2014/11/11
Forests have for long provided life support to the rural people of Ghana, most especially in
the Ho Municipality where the forest provides fertile land for food crop production, timber
for housing...
The Electron Capture Decay of 163-Ho to Measure the Electron Neutrino Mass with sub-eV Accuracy and Beyond
electron neutrino mass electron capture decay 163Ho
2012/2/24
We have investigated the possibility of measuring the electron neutrino mass with sub-eV sensitivity by studying the electron capture decay of 163-Ho with cryogenic microcalorimeters. In this paper we...
A result in the Ho and Lee's model.
Traversable wormhole in the deformed Hořava-Lifshitz gravity
Traversable wormhole deformed Hoř ava-Lifshitz gravity
2010/12/27
Asymptotically flat wormhole solutions are found in the deformed Ho\v{r}ava-Lifshitz gravity. It turns out that higher curvature terms can not play the role of exotic matters which are crucial to form...
Traversable wormhole in the deformed Hořava-Lifshitz gravity
HL gravity traversable wormholes
2010/12/20
Asymptotically flat wormhole solutions are found in the deformed Hoˇrava-Lifshitz gravity. It
turns out that higher curvature terms can not play the role of exotic matters which are crucial to form a...
A comparison of Hořava-Lifshitz gravity and Einstein gravity through thin-shell wormhole construction
comparison of Hoř ava-Lifshitz gravity Einstein gravity thin-shell wormhole construction
2010/12/20
In this paper we have constructed a new class of thin-shell wormholes from black holes in Hoˇrava-Lifshitz gravity. Particular emphasis is placed on those aspects that allow a comparison of Hoˇrava-Li...
Mixmaster universe in the z=3 deformed Hořava-Lifshitz gravity
Hoˇrava-Lifshitz gravity quantum gravity mixmaster universe
2010/3/18
The z=3 deformed Horava-Lifshitz gravity with coupling constants \omega and \epsilon leads to a nonrelativistic "mixmaster" cosmological model. The potential of theory is given by the sum of IR and UV...
Solar System tests of Hořava-Lifshitz black holes
Solar System Hoř ava-Lifshitz black holes
2010/3/18
In the present paper we consider the possibility of observationally testing Horava gravity at the scale of the Solar System, by considering the classical tests of general relativity (perihelion preces...
Holographic Superconductors in Hořava-Lifshitz Gravity
holographic superconductors Hoˇrava-Lifshitz gravity parameter of the detailed balance
2010/3/18
We study $(2+1)$-dimensional holographic superconductors in the Ho\v{r}ava-Lifshitz black hole without the condition of the detailed balance which has rich physics, i.e., changing the parameter of the...
球形Y2O2S∶Yb,Ho上转换粒子的合成及其尺寸相关的发光机制研究
上转换 发光机制 Y2O2S∶Yb, Ho
2009/11/25
采用改进的均匀沉淀法结合固-气硫化工艺制备了一系列Y2O2S∶Yb, Ho上转换粒子. 利用X射线晶体衍射(XRD)和透射电子显微镜(TEM)对粒子的结构和形貌进行了表征, 并通过上转换发光光谱(UCL)和红外光谱(FTIR)研究了粒子的上转换发光性质. XRD和TEM结果表明, 所制备的样品均为单一的六方相结构, 且所有粒子均呈单分散和尺寸均一的球形, 其尺寸分别为40, 80和200 nm. ...
In-situ measurement of reactive hydrocarbons at Hohenpeissenberg with comprehensive two-dimensional gas chromatography (GC×GC-FID): use in estimating HO and NO3
hydrocarbons Hohenpeissenberg two-dimensional gas chromatography HO NO3
2008/11/27
During a field campaign at the Meteorological Observatory Hohenpeissenberg (MOHp) in July 2004, volatile organic compounds (VOCs) were measured using comprehensive two-dimensional gas chromatography ...
用ab initio方法构建了该体系的偏分势能面, 并用其研究了该体系中散射共振态的形成机理, 估算了第一共振态寿命.
具有纳米孔结构的配位聚合物[Co2(HO-BDC)2(bpe)2(H2O)2]n·n(py)·nH2O的合成、晶体结构与热稳定性
钴配位聚合物 5-羟基-1,3-苯二甲酸 1,2-二(4-吡啶)乙烷 晶体结构 氢键
2008/5/21
在水-吡啶混合体系中, 以5-羟基-1,3-苯二甲酸(简作HO-H2BDC )、1,2-二(4-吡啶)乙烷(简作bpe)为配体与Co(NO3)2·6H2O反应, 培养出[Co2(HO-BDC)2(bpe)2(H2O)2]n·n(py)·nH2O(py=pyridine)的紫色单晶, 该晶体属三斜晶系, P1空间群, 晶胞参数a=1.0245(3) nm, b=1.1467(3) nm, c=1.2...