va相关论文
研究了 PP/EVA中 EVA含量及 EVA中 VA含量对 PP色丝力学性能的影响。结果表明 :当EVA2 1添加量为 0～ 5 .0 % （质量 ）时 ,色丝断裂强度......
Are ATXN2 variants modifying our understanding about neural pathogenesis, phenotypes, and diagnostic
ATXN2 one gene with multiple phenotype effects: ATXN2 gene encodes a cytosolic protein (ataxin-2) with pleiotropic funct......
建立柱切换法液相色谱测定保健食品中VA、VD、VE含量的方法.参照GB 5009.82-2016《食品中维生素A、D、E的测定》样品前处理方法,以......
目的:探究个体化饮食运动预防孕前超重和肥胖者妊娠期糖尿病的价值评估。方法：选取2020年5月-2021年5月入院就诊的300例孕前超重和......
We have previously reported that the long-term exposure of Isocarbophos,a kind of organophos-phorus compounds,induces va......
In Vitro Antimetastatic Effect of Changweiqing(肠胃清)through Antiinvasion of Hypoxic Colorectal Carcin
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Cardiovascular diseases are life-threatening illnesses with high morbidity and mortality.Suppressed vagal (parasympathet......
Vascular endothelial growth factor A, secreted in response to transforming growth factor-β1 under hy
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Numerical simulation of chorus-driving acceleration of relativistic electrons at extremely low L-she
During 2018 major geomagnetic storm,relativistic electron enhancements in extremely low L-shell regions(reaching L～3)have......
目的观察不同负压对血管内皮细胞表达血管内皮生长因子(VEGF)的影响，探讨一个血管内皮细胞增殖活性最佳的负压强度。方法复苏人脐静......
An instantaneous velocity where a moment of the clock only corresponds to an arbitrary distance or position in space can......
Salvage of vascular graft infections via vacuum sealing drainage and rectus femoris muscle flap tran
BACKGROUND The management of vascular graft infections continues to be a significant challenge in a clinical situation.T......
Quantification of currently attainable yield and fertilizer requirements can provide detailed information for assessing ......
We introduce the concept of <i>q</i>-calculus in quantum geometry. This involves the <i>q</i>-differential and <i>q</i>-......
The avian influenza A(H7N9)virus is a zoonotic virus that is closely associated with live poultry markets.It has caused ......
Stomata control carbon and water vapor exchange between the leaves and the atmosphere,thus infl uencing photosynthesis a......
[背景]震颤是最常见的神经症状之一,但人们对其病因仍知之甚少。病例对照研究表明,血液中的铅和特发性震颤之间存在关联,而且这种......
Immune responses to recombinant hepatitis B virus vaccine in human immunodeficiency virus-1-infected
Objective.To compare the difference of immune responses to hepatitis B virus(HBV)vaccine in human immunodeficiency virus......
ＶＥＶＡ之领导艺术●〔美〕威廉·凯利（ＣＶＳ，ＦＳＡＶＥ，工程学教授）翟凤荣译〔作者干了２２年设计工程师，并已从事专职ＶＥ实践和研究工作２３年有余；曾组织过１７５次ＶＥ专题讨......
Uterus-reserved or hysterectomized total pelvic floor reconstruction for female pelvic dysfunction:a
Objective To evaluate the effectiveness and safety of the entire pelvic floor reconstruction(Prolift) with uterus reserv......
多种维生素添加剂中ＶＡ含量检测方法的改进青岛海洋渔业公司水产品加工厂董启军，刘永祥为控制产品质量，笔者对多种维生素添加剂中ＶＡ含量的......
研究了活性炭（AV）负载V2O5的传统V2O5／AC催化剂和活性炭直接负载VOSO4的V-S／AC催化剂的低温脱硝性能，考察了活性组分、温度、SO2等因素......
研究聚焦于产业创新生态系统的'价值创造'和'价值获取'的动态过程和作用机制,以产业生态系统中的龙头企业及其协......
在相同历元下,忽略速度和转换参数变率的影响,实现了坐标协方差阵的严密框架转换。通过这种方法,能够使局部区域数据不必重新处理......
An extended narrative dataset of the Medieval time AD 708-1426 in continental western Europe was set up. Some 30-year-mo......
By the generalized variational principle of two kinds of variables in general mechanics, it was demonstrated that two La......
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本文通过对正常孕妇、新生儿及非孕妇血VA、VC、Ca、Zn和Cu的检测,结果表明,孕妇血清中VC、Ca和Zn低于非孕妇,而新生儿脐血这几种......
In the energy regulation based varibable-speed electrohydraulic drive system, the supply energy and the demanded energy,......
Experiments were carried out to investigate the influences of cation from electrolytes and acidity/alkalinity on the pha......
Conformation preference and related intramolecular noncovalent interaction of selected short chain c
Short chain chlorinated paraffins(SCCPs) are not only research focus of environmental issues but also interesting model ......
北京时间２月２１日晚２１：３０中央电视台《篮球公园》上演──马刺 主力阵容 ５０戴维·罗宾逊（中锋） ２１蒂姆·邓肯（大前锋） ２贾伦·杰克逊（小前锋） ６艾弗里·......
在经灭菌的赤红壤和塘泥上生长的芒果、龙眼、荔枝的幼苗接种以菌根真菌Glomus mosseae;Glomus caledonicum;Glomus citricola后,......
This study explores the influencing factors of user interactive learning behavior in academic library information common......
在田间条件下布置了毛白杨ＶＡ菌根与外生菌根混合接种抗涝性试验。结果表明，在毛白杨菌根接种后若发生较长时间的水涝会严重抑制硬皮马......
研究了ＶＡ菌根与外生菌根混合接种对毛白杨盆栽苗生长、Ｐ营养、光合及蒸腾特性的影响，并分析了原因。结果表明：在水分供给得到保证的大田......
对广东、广西及福建３省（区）７种不同桉树人工林土壤中ＶＡ真菌的种类资源及组成调查的结果表明，在桉树根际已知的２６种ＶＡ真菌中，包括球囊霉属，无梗囊......
STUDY ON TRINUCLEAR MOLYBDENUM CLUSTER COMPOUNDS——THE CRYSTAL AND MOLECULAR STRUCTURE OF THE TWO TRI
The crystal structure of two isomorphic cluster compounds with formula (C_5H_7S_2)-[Mo_3(μ_3-O)(μ-X)_3(μ-OAc)_3Cl_3]......
利用 Ｖ Ａ 菌根化杉树苗进行了加酚水培和土培，试验结果表明， Ｖ Ａ 菌根化杉树苗对邻香草醛，对羟基苯甲酸、阿魏酸等酚类物质有明显的耐受性......
The presence of array imperfection and mutual coupling in sensor arrays poses several challenges for development of effe......
通过对华南地区沿海１５种有代表性的木麻黄林土壤调查，收集土样４９个，对土样测定了全Ｃｏ、Ｃｕ、Ｚｎ、Ｍｎ和Ｆｅ含量，速效Ｎ、Ｐ和Ｋ含量，有效Ｃａ、Ｍｇ和Ｂ含量及ｐＨ值等１２个指标，结......
用大功率脉冲激光器进行精细焊接和切割等应用日趋增多 ,它对于大功率激光器的供电电源的性能要求相当高。为适应这种要求 ,本文阐......
本文围绕着陆俭明(1990)给“VA 了”结构所作的语义分类进一步观察分析了这种结构的语义性质,并认为陆文的分类是正确的。
This a......
用染料激光器在波长为300-640nm范围内扫描,观察到PH_3的一系列多光子电离光谱。其中351-398nm的近二十条谱带,其能级间隔约263cm~......
本文在价层电子对互斥理论的基础上,证明了AB_(4-n)型分子键角的大小与键合原子A和B的键参数Z~(*2)/r_k有关。导出了计算VA、VIA族......
通过193nm的ArF激光光解AsH_3,首次在420-650nm之间观察到了AsH_2(■2A_1→X 2B_1)的发射光谱。经过认证之后,获得了v=19928+868v......
Geomorphological map of the Val Miller and the Baitone area(Adamello Group).Magmatic intru-sive rocks(Western Adamello ......
