查询词典 k

Ginkgo has stronger ability to maintain stabilityof the K+ content and Na+/K+ ratio of cytoplasm than that of ailanthus.

NaCl胁迫下银杏叶片和根维持细胞各部位细胞质K+含量和Na+/K+比的稳定性能力大于臭椿。

The study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy-dissipation capacity of D shape and K shape eccentrically braced steel frames have been some studied before. This paper fills the black in the filed factor of high-span ratio, brace stiffness and brace-to-beam connections to be changed affectenergy-dissipation capacity of D shape and K shape eccentrically braced steel trames and any factor to be changed affect energy-dissipation capacity of Y shape eccentrically braced steel frames.

对耗能梁段的长度、耗能梁段腹板的厚度、耗能梁段翼缘的厚度、耗能梁段加劲肋的间距、耗能梁段加劲肋的厚度、支撑的夹角等因素的改变对D形、K形偏心支撑钢框架耗能的影响，前人已有一些研究，本文对这些因素的影响进行了全面系统的分析，完善了理论分析的不足；而结构高跨比、支撑刚度、支撑与梁的连接形式等因素对D形、K形偏心支撑钢框架破坏机理的研究以及各种因素对Y形偏心支撑钢框架破坏机理的影响，则很少有人涉及，本文对此也进行了深入系统的分析，填补了这一研究空白。

In this paper we use pointwise modulus of smoothness to study approximation direct theorem and equivalent theorem for some linear operators and quasi-interpolant operators; Using pointwise modulus we discuss the strong converse inequality on K-functional; and using a modified weighted K-functional and weighted modulus of smoothness we study approximation with Jacobi weight on operator with non-zero first order moments.

本文利用点态光滑模ω_~(2r)来研究某些线性算子及逆中插式逼近正定理和等价定理；利用点态光滑模讨论其关于K-泛函的强逆不等式；同时利用一种改变的带权K-泛函和带权光滑模研究一阶矩不为零的算子的点态带Jacobi权逼近。

Through simple Gaussian line fits, we found not only obvious Fe K line variability with no significant difference in the X-ray continuum flux between two ASCA observations which were separated by～440 days, but also rapid variabilities of Fe K line on time scales～10〓s within the second observation.

使用简单的高斯线拟合我们发现，在间隔440天左右的两次ASCA观测之间，NGC 4051的铁Kα荧光线轮廓和强度有着明显变化，而与此同时X射线连续谱流量保持不变；不仅如此，我们发现在第二次ASCA的观测过程中，NGC 4051的铁Kα荧光线有着10〓s尺度上的快速变化。

Barham previously served as the director of W+K Shanghai Planning and is the first planning director in W+K history to be promoted to a co-executive creative director position.

他之前担任W+K上海策划总监，是W＋K历史上首位由策划转为执行创意总监的人。

After the water-based clean, the low K dielectric layer is formed on the surface of the barrier layer to achieve the composite layer that has a low K.

在以水为基础者清理之后，低的 K 电介体层在障碍层的表面上被形成达成有低的 K 的含有种种要素的层。

Basanite and tephrite from Mt. Crater, Cape Bird and Bonney Lake exhibit similar composition in major elements and trace elements, rare earth elements . They are enriched in MgO, TiO〓, transitional elements and compatible elements , and depleted in SiO〓, Al〓O〓, Na〓O, K〓O, incompatible elements and rare earth elements; Latite from Cape Rodeys and Cape Evens are different from basanite and tephrite, they are enriched in SiO〓, Al〓O〓, Na〓O, K〓O, incompatible elements and rare earth elements, and depleted in Mgo, TiO〓, transitional elements and compatible elements. Volcanic rocks in five regions have the same isotopic ratio of 〓Sr/〓Sr (0.703115-0.703334) and 〓Nd/〓 Nd (0.512892-0.513076), however,〓Pb/〓Pb ratio in volanic rocks from Mt. Crater, Cape Bird and Bonney Lake is lower than those of Cape Rodeys and Cape Evens.

在主元素氧化物和微量元素、稀土元素含量上，克雷克特山、鸟角和博尼湖南岸的碧玄岩、碱玄岩成分比较类似，均具有较高的MgO、TiO〓、过渡元素和相容元素，较低的SiO〓、Al〓O〓、K〓O、Na〓O、不相容元素和稀土元素；罗德角和伊万思角安粗岩雷同，它们具有较高的SiO〓、Al〓O〓、Na〓O、K〓O、稀土元素和不相容元素，较低的MgO、TiO〓、过渡元素和相容元素，但五地区火山岩几乎具有一致的Sr、Nd同位素比值，〓Sr/〓Sr＝0.703115-0.703344、〓Nd/〓Nd＝0.512892-0.513076，在Pb同位素比值上，五地区的〓Pb/〓Pb＝18.664-19.913，其中碧玄岩和碱玄岩比安粗岩的比值稍低。

K-ATPase is the last passageway of gastric acid secretion.On the basis of synthesis of the H+K-ATPase inhibitor pantoprazole,twelve benzimidazole derivatives were synthesized for the first time,and their structures were proved by IR,1H-NMR and elementary analysis.

摘 要 H+/K+-ATP酶是胃酸分泌的最后环节，在合成H+/K+-ATP酶抑制剂泮托拉唑的基础上，设计合成了12个未见文献报道的苯并咪唑类衍生物，经红外光谱、核磁共振氢谱和元素分析确定了结构。

An investigation is conducted to study the existence of Hamiltonian [k, k+1] factor in a balanced bipartite graph.

研究了在均衡二分图中包含给定哈密顿圈的[k， k+1]因子的存在性问题。

Assumes that molecules are rigid ball, intermolecular End X are all elastic collision, in addition to the instant of collision, the molecular force can be ignored, then the chemical pure gas, K = 4nd2πkT = 4d2pπ, where: k for XmSkTSm Boltzmann constant, m is molecular weight, d the molecular diameter, n the molecular number density, p the gas pressure, T is thermodynamic temperature.

假定分子是刚性球，分子间完X全是弹性碰撞，除了碰撞瞬间外，分子力可以忽略，那么在化学纯的气体中，K＝4nd2πkT＝4d2pπ，式中：k为XmSkTSm玻耳兹曼常量，m为分子质量，d为分子直径，n为分子数密度，p为气体压强，T为热力学温度。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。