k相关论文
人参皂苷Compound K(CK)为人参二醇型皂苷经肠道菌群转化得到的产物,具有多种药理活性.天然中的含量极低,目前主要通过生物转化法......
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设G=（V（G）,E（G））是一个简单图,对于G的任意两个顶点u,ν∈V（G）,我们记d（u,v）为u和v之间的距离.设j,k是满足j≥k的正整数,那么G的一个L（j,k）-标......
生物质与煤的共燃烧技术是一种在污染物和温室气体排放问题上同时兼备环境效益和成本效益的燃烧技术。然而,影响该技术可行性的关......
Cu-ZSM-5直接催化分解烟气中的NO具有潜在的应用前景。然而，高温的烟气中存在不同种类的碱金属，碱金属对Cu-ZSM-5催化分解NO的影响机......
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In this paper we classify the positive solutions of the divergent equation with Neumann boundary on the upper half space......
国内某350 kA电解系列使用高Li、K氧化铝生产,Li、K在电解质中富集,形成了Na3 AlF6-Al2 O3-AlF3-CaF2-MgF2-LiF-KF电解质体系.随着......
现代社会已经进入大量消耗能源的阶段,加上人们对环境的重视程度越来越高,可再生能源必然成为大众关注的焦点.生物柴油由于其原料......
目的:探究优质护理在微创经皮肾镜术治疗人类免疫缺陷病毒（HIV）感染合并肾结石中的护理效果。方法:选择广州市第八人民医院于2017年3......
Joint roughness is one of the most important issues in the hydromechanical behavior of rock mass. Therefore, the joint r......
Fast hydrogenation kinetics of acridine as a candidate of liquid organic hydrogen carrier family wit
Hydrogen has been deemed as one of the most efficient en-ergy carriers for a broad variety of industrial applications[1,......
Gas injection for enhanced oil recovery in two-dimensional geology-based physical model of Tahe frac
Gas injection serves as a main enhanced oil recovery (EOR) method in fractured-vuggy carbonate reservoir,but its effect ......
Applications of state estimation in multi-sensor information fusion for the monitoring of open pit m
The traditional open pit mine slope deformation monitoring system can not use the monitoring information coming from man......
Rapid screening and identification of sesquiterpene lactones in Kudiezi injection based on high-perf
Sesquiterpene lactones are considered as the major active compounds in Kudiezi injection in virtue of their special stru......
以苹果成年树(品种:新红星、富士)和幼树(品种:富士)为试材,研究结果表明,与其他节位对比,顶部叶片叶绿素含量、叶绿素a/b比值和Ca......
研究了切伦科夫计数法测定海水和植物中的K的方法.苹果、胡萝卜、玉米、土豆及小麦的检测限(×10)分别为:1.6、2.4、3.1、6.5、6.9......
针对钨合金白口铸铁脆性大，使用范围窄，研究了碱金属元素K、Na对其组织和性能的影响。结果表明，钨合金白口铸铁经K、Na变质处理后，共晶......
Extraction of copper,zinc and cadmium from copper-cadmium-bearing slag by oxidative acid leaching pr
An intensified oxidative acid leaching of copper-cadmium-bearing slag featuring using high-efficient oxygen carrier,such......
The Ca2SiO4:Dy3 phosphor was synthesized by the high temperature solid-state reaction method in air. The emission spect......
目的 探讨C-myc、hnRNP K蛋白在胃癌及胃上皮内瘤变中的表达及意义.方法 采用SP免疫组织化学方法 检测71例胃癌组织、39例胃上皮内......
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为控制卷烟纸质量稳定性,建立了卷烟纸中Na、K和Ca的碰撞反应池-电感耦合等离子体质谱仪测定方法。方法采用10%硝酸溶液提取卷烟纸......
Proximal Iliac Artery Stenosis in Allograft Renal Transplant, a Diagnostic beyond Echo-Doppler, Trea
<strong>Background:</strong> Transplant Renal Artery Stenosis (TRAS) is a well-known vascular complication after a kidne......
This brief note introduces the conceptual framework of special and general relativity isoclocks and isoframes. Isoclocks......
通过对2021年全国乙卷第13题Ka计算的赏析,提高学生对信息获取,证据推理和分析推测的能力,培养学生模型认知能力,巧妙利用数学模型......
Populus alba × P.glandulosa clone 84 K,derived from South Korea,is widely cultivated in China and used as a model in th......
In order to ensure the construction quality and safety of small and medium span basket type steel box tied arch bridge,t......
Potassium (K) deficiency damaged membrane stability through irregular reactive oxygen species (ROS) caused by K deficien......
The article is considering the third kind of nonlinear Volterra-Stieltjes integral equations with the solution by Lavren......
《银翼杀手》作为赛博朋克电影的代表作之一,其续集《银翼杀手2049》将故事背景设定为人与复制人共存的2049年。在赛博朋克元素画......
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A new local kinetic energy(KE)budget for the Madden−Julian Oscillation(MJO)is constructed in a multi-scale framework.Th......
目的:建立简便、快速鉴别原料药或药用辅料中金属元素的激光诱导击穿光谱法(LIBS)。方法:以择几种含钠、钾、镁、钙、锌元素的原料......
Use of suppression subtractive hybridization strategy for cloning and identifying specifically expre
Using suppression subtractive hybridization, a renal cell carcinoma (RCC) cDNA subtractive library which only contains d......
A certain number of railway brake discs made of gray cast iron,showed the presence of small cracks only after a few thou......
提出了一种利用电磁超表面实现Ku波段(12~18GHz)的低剖面反射型线性极化转换表面,该表面能对Ku波段的线极化电磁波进行正交极化旋......
针对运动模糊图像的模糊去除问题,提出了一种基于L_0范数正则化的模糊核方法。该方法以图像梯度L_0范数为正则项,根据图像的稀疏先......
本文作者对差热分析确定熔点的方法进行了实验,确定用DTA峰外推起始温度;用差热分析作了三组分交互体系Na,K ∥Cl,SO_4对角截面KCl......
Let X be a complex Banach space with norm · , B be the unit ball in X, Dn be the unit polydisc in Cn. In this paper......
In this paper, we derive the evolution equation for the first eigenvalue of Laplace operator along powers of mean curvat......
If f(z) =Σ∞ n=0 anzn and g(z) =Σ∞n=0bnzn for functions f, g are analytic in the unit disc, the Hadamard products of ......
The chemical diffusivity of K in a hydrated granitic melt was determined at temperatures of750-900℃ and pressures betwe......
Horseradish peroxidase catalyzed grafting of acrylamide (AM) onto Kevlar fibers has been studied. The modified fiber has......
The genomic library of Kluyveromyces fragilis was constructed in E.coli TG1,and 5β-galactosidase gene(LAC4)clones have ......
Ore-forming fluid constraints on illite crystallinity (IC) at Dexing porphyry copper deposit, Jiangx
Illite, a distinctive kind of clay minerals of potassiumalteration within the hydrothermal alteration zone, frequently o......
Kwangsian 造山运动沿着中国的东南海岸发源并且逐步在一个西北方向发展了。它包括二个阶段，一局部地长变化在志留纪和泥盆纪转变附......
Preparation of 4-and 6-desphenyl analogues of(-)-clausenamide and alternative synthesis of(+)-epi-cl
4- and 6-desphenyl analogues of(-)-clausenamide,6 and 7,were prepared in optical active form from commercially available......
Effect of alkali metal oxides R_2O (R=Na,K) on 1.53 μm luminescence of Er~(3+)-doped Ga_2O_3-GeO_2 g
This paper reported the thermal stability and spectroscopic properties of Ga2 O3-GeO2-Na2 O-K2 O(GGNK) glasses doped wit......
三种新型碱金属锰(Ⅱ)取代磷镓酸盐水合物:K[MnGa2(PO4)3(H2O)2](Ⅰ),K0.5Rb0.5[MnGa2(PO4)3(H2O)2](Ⅱ)和Cs[MnGa2(PO4)3(H2O)2](......
