查询词典 NA

Regenerative process was determined by comparing the concentration difference of Na+ in used and unused regenerant, as well as the concentration of Na+ in hydrogen peroxide out of resin columns.

比较浸泡失效树脂前后再生剂中Na+浓度变化和工业级H2O2流经交换柱后Na+浓度，确定适宜的再生方法。

Na+/H+ Antiporter is one sort of protein which on the membrane or vacuole membrane, they can transport Na+ retrorsely out of the cell or into the vacuole.

Na~+／H~+运输蛋白是位于质膜和液泡上的一类运输蛋白，它可以逆电化学梯度将Na~+排出细胞外或区隔化于液泡中，普遍存在于藻类与盐生植物中。

The discriminant analyses,of 28 granitic intrusives distributed in the periphery of the stanniferous granite bodies,by using the Keluo-Lazi diagram,SiO2-Al2O3+Na2O+K2O-CaO+MgO+FeO diagram,Fe-Na+K-Mg diagram and K-Na-Ca diagram,,indicate that the four diagrams can be applied to...

对分布于含锡花岗岩类岩体外围的28个可能含锡岩体进行科勒-拉兹图解、S iO2-A l2O3+Na2O+K2O-CaO+MgO+FeO图解、Fe-Na+K-Mg图解和K-Na-Ca图解判别后发现，壳源酸性花岗岩类完全可以用四图解进行含锡性判别，并且完全符合实际地质特征，大部分都有希望找到伴生壳源型锡矿床；而幔源中基性花岗岩类的含锡性却不适用上述四个图解进行判别。

Objective To study the effects of Na+-H+ exchange inhibition and Na+ channel blocker on myocardial ischemia/reperfusion injury, the suitable concentration, the symphysial effects and as well as the mechanism. Methods the isolated perfused working heart models of SD-rats were randomly dilated into 3 experiment groups.

目的 探讨Na+-H+交换抑制剂和Na+通道阻滞剂对心肌缺血／再灌注损伤的保护效果，研究其药物的适宜浓度、联合作用效果，并探讨其作用机制。

Na~+/H~+ antiporter is the antiport of Na~+, which distributes in both the plasma membrance and the vacuole membrane. It plays an important role in plant salt tolerance.

Na~+/H~+逆向转运蛋白是一种Na~+的逆向转运体，在细胞质膜和液泡膜上均有分布，在植物耐盐性方面具有重要作用。

K + can be quantitatively precipitated with sodium tetraphenylboron in HAC\|NaAC buffer solution (pH5~6) and the amount of excess Na\|TPB can be determined by oscillographic titration with a standard solution of tetraethylammonium chlorid monohydrat.

报道了用示波滴定法测定黄原酸钾含量，在 p H5～ 6的 HAc- Na Ac缓冲底液中，加入四苯硼钠沉淀 K+，过量的 Na- TPB用氯化四乙基铵标准溶液滴定，滴至 Na- TPB示波图切口消失为终点，终点直观敏锐，方法快速简便，准确度、精密度均高。

The Na+ and K+ currents of hippocampal neurons before and after hypoxia-reoxygenation with xionggui diwan pretreatment: Before hypoxia-reoxygenation, the ampli tudes of Ⅰ Na and J K of hippocampal neurons at the threshold point were very similar, without significant difference.

芎归滴丸预处理后缺氧-复氧前后海马神经元的Na+、K+变化：缺氧-复氧前海马神经元Ⅰ Na Ⅰk在阈值处的幅度很接近，差异无显著性意义。

Gradients of K(superscript +), Na(superscript +) and protein along midgut were determined. The permeability of midgut segments to K(superscript +), Na(superscript +), Ca(superscript 2+), Mg(superscript 2+) and methyl blue was observed.

对中肠细胞进行了组织切片观察；测定K，Na和蛋白质沿中肠的浓度梯度，并观察了中肠对K，Na，Ca(上标 2+)，Mg(上标 2+)和甲基蓝的通透性。

Large subunit of Na + in the pro-state binding Na +, the trigger hydrolysis of ATP.

大亚基以亲Na+态结合Na+后，触发水解ATP。

Therefore, the observation of Na layer is one of the important method to study the dynamical process in the mesopause region. In this paper, we combine a timedependent photochemical model, the International Reference Ionosphere model (IRI95) and a photochemical model of sodium to develop a time dependent sodium photochemical model.

本文建立了时变的中高层大气光化学模式，并与国际电离层模式(IRI95)与Na层光化学理论相结合，建立完整时变的中高层大气Na层光化学模式，着重研究Na层分布的昼夜变化。

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