查询词典 na

We give several sufficient conditions of NA and NSD properties of random variables, compare the closeness of distribution functions of order statistics between NA and independent rv's, investigate properties of NSD defined by supermodular functions, study the dependence structure of stationary Markov process and order statistics and their spacings from two samples, establish stochastic comparisons of order statistics of heterogeneous rv's in the hazard rate and the reversed hazard rate orders, and give the first analytic proof of the closure property of the up shifted likelihood ratio order under convolution.

给出判定一组随机变量NA性质的几个充分条件，并给出NA和独立随机变量的次序统计量之间"贴近性"的比较，系统地研究基于特殊函数类所定义的NSD负相依概念，给出一些判别NSD性质的结构定理和一些有用概率不等式。系统研究平稳马氏过程的相依结构。研究两样本次序统计量及其问题隔的相依结构。在失效率、反向失效率序和似然序意义下给出非齐次随机变量次序统计量的比较。给出上漂移似然序卷积封闭性的第一个解析证明。

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。

The result showed that the biomass, plant height, dry weigh, carnification, K(superscript +) content and K(superscript +)/Na(superscript +) ratios of I. lactea var. chinensis decreased with increasing NaCl stress, while root/shoot ratios and Na(superscript +) content increased. The water content and carnification degree of roots in all treatments were higher than shoots, which, however, was not significantly related to salt concentration.

试验结果表明：在NaCl胁迫下，随著胁迫浓度的增加，马蔺生物量、株高、干重、肉质化以及K含量、K/Na比值降低，同时根冠比、Na含量增加：各盐处理区根系含水量和肉质化程度大於茎叶，但与盐浓度的相关性不大。

With the increase of NaCl concentration and prolonging of stress time,the contents of Na in leaves of the untrasgenic plant was more distinct than the transgenic plant,especially under 0.9%NaCl stressed after 40 days, the contents of Na was 2.0-6.2 times compared with the transgenic plant in the same desposition,therefore,the un-transgenic plant died under this concentration in the end .

随着盐浓度的增加和胁迫时间的延长，对照植株叶片中Na 含量极显著地高于转基因植株，特别是在0.9%盐度下胁迫40d，对照植株的Na 含量极高，是该处理下转基因植株的2.0-6.2倍，因此，该浓度下的对照植株最终死亡。

The results showed that 1 transport of Gly-Pro was slightly quicker when Na+ replaced by K+ during the first period of 20 min;2 Na+ concentration gradient stimulated 4.6-fold of L-alanine transport, but had no effect on transport of Gly-Pro. Harmaline reduced transoport of L-alanine significantly but had no effect on Gly-Pro transport.

结果表明：(1)用K+替代Na+，并没有降低Gly-Pro在BBMV中的转运量，在孵育前20 min时间内，Gly-Pro的转运量稍稍提高；(2)Na+可使BBMV对L-丙氨酸的转运量提高到4.6倍，但不影响Gly-Pro的转运；二氢骆驼蓬碱显著地降低L-丙氨酸的转运，但对Gly-Pro的转运无影响。

The first type, kamafugite, is plagioclasefree, consisted of Tirich phlogopite, melilite, leucite and nephelite. They have lower contents of SiO2 and Al2O3, but have high TiO2, CaO, MgO contents and K/Na and Mg# ratio whereas the second type, potassic trachybasalt, is abundant in plagioclase and contains no phlogopite, melilite, leucite and nephelite. They have higher SiO2, Al2O3,(Na2O+K2O), and lower TiO2, CaO, MgO, and K/Na and Mg#, in comparision to the first type of rocks.

钾霞橄黄长岩是一种不含斜长石，但普遍含有高钛金云母、黄长石、白榴石、霞石的岩石，全岩化学成分具低SiO2和Al2O3，富TiO2、CaO、MgO和高K/Na、高Mg#值的特征；钾质粗面玄武岩含有大量斜长石但是缺乏高钛金云母、黄长石、白榴石和霞石，全岩化学中SiO2、Al2O3明显高于前者，而TiO2、CaO、MgO、K/Na和Mg#值要比钾霞橄黄长岩低。

Methods］By observing the cytoplasmic Ca2+ concentration change of single cardiocyte in I/R status and the effect of Na+/H+ permutoid retarder to Ca2+ concentration in different phases (diabetes pure oxygen-lack deficit group called DM group,the oxygen deficit/reaeration on entire journey for medicine group called DM-EIPA group, the first group giringmedicine before reaeration on called DM-EIPA 1 group, and the second group giringmedicine before reaeration on called DM-EIPA 2 group) to detect the protection mechanism of Na+/H+ permutoid retarder to diabetic mouse cardiac muscle cell oxygen deficit/reaeration injury.

方法］ 通过观察糖尿病鼠单个心肌细胞在缺氧/复氧时细胞胞浆Ca2+浓度的动态变化以及Na+/H+交换体阻滞剂在不同时相（糖尿病单纯缺氧组即DM组，缺氧/复氧全程给药组即DM-EIPA组，复氧前给药1组即DM-EIPA 1组，复氧前给药2组即DM-EIPA 2组）对Ca2+浓度的影响来研究Na+/H+交换体阻滞剂对糖尿病鼠心肌细胞缺氧/复氧损伤的保护机制。

The results of physiological indexes analysis under different salt stress condition showed that cell membrane permeability of all species increased along with the increasing of NaCl concentration, and concentrations of Na+, Cl-, proline, soluble sugar, saccharose and malondialdehyde showed the same tendency.

不同盐浓度胁迫下各项生理生化指标的测定结果表明：随着盐胁迫强度的增加，四种植物的膜透性增大，Na+、Cl-、脯氨酸、可溶性总糖、蔗糖和丙二醛含量都呈增大的趋势，高碱蓬和镰叶碱蓬的Pro含量增加迅速，明显比盐角草和盐爪爪高，盐角草Na+、Cl-含量明显高于其它三种植物，K+、Ca2+、Mg2+、叶绿素含量，过氧化物酶、超氧化物岐化酶和过氧化氢酶活性和K+/ Na+都呈下降的趋势。

On the other hand, the decrease of Na-Ca exchange, because of the increase of intracellular Na〓 concentration resulted from depression in the sarcolemma Na, K-pump function, was responsible for exteranal Ca entry into the cell.

进一步的研究则提示，针刺是通过提高细胞膜Na〓通透性和调整体内正常细胞外液与损伤肌异常细胞外液间离子分布而完成这一作用。

Comparatively, Na^＋ has a wider diffusion range and higher self-diffusion coefficient than Mg^2＋.

在Na／Mg^-蒙脱石中，Na^＋和Mg^2＋的扩散方式不同，Na^＋的扩散范围相对更广，自扩散系数更大。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失