酸碱的

According to molecular orbital theory, the main bonding orbitals of 3d transitionmetal monoxides MO are 9σ, 1δand 4πmolecular orbitals.

过渡金属氧化物与稀有气体原子间除了静电相互作用以外，通常还包含路易斯酸碱相互作用，即稀有气体原子作为路易斯碱可以提供电子给金属氧化物中基于金属中心的空的或部分占据的分子轨道。

Factory production of ceramic wine altar - the altar of kimchi, using high quality pure natural mineral production, non-metal material and chemical substances, non-toxic, no side effects, with acid, non-Baptist non-leakage characteristics, the density of small altar wine and breathable good thermal insulation performance is good, the longer the wine storage, wine quality, the better, thus Gujing Gong wine, Wuliangye Group, Maotai Group, etc. using the product; my plant to the quality of life of enterprises, credit for the purpose of the first, please various merchants to visit and negotiate business, to work together!

本厂生产的陶瓷酒坛-泡菜坛，采用优质纯天然矿生产制作，不含金属物质和化学物质，无毒、无副作用，具有耐酸碱，不浸不漏的特点，酒坛密度小且透气好、保温性能好、储酒时间越长、酒质越好，因而古井贡酒、五粮液集团、茅台集团等均采用该产品；我厂以质量为企业的生命，信誉第一为宗旨，敬请各商家前来参观考察和洽谈业务，共同携手合作！

The structure and graft rate of the graft polymer were determined by means of IR spectra and acid-base titrations, the effect of content of POE, MAH, DCP and reaction temperature on graft rate were studied in detail.

通过红外光谱确定了接枝物的结构，采用酸碱滴定法测定了产物的接枝率，详细研究了POE、MAH、DCP用量及反应温度等对接枝率的影响规律。

The third step: Condition - It gently conditions skin as it restores the pH balance while providing ample moisture to skin. At the same time, it tightens pores and smoothens skin texture.

第三步骤： Condition-性质温和的平衡化妆水，使肌肤恢复健康的酸碱值水平及补充水份平衡，以达到滋润、控油、收细毛孔及舒缓的效果。

Tested the volatilization of boron through the acid-alkali neutralization titration, analyzed the influencing factor of boron volatilization, the conclusion showed that the moisture content and heating-up time were important factor; observed the phase splitting by the SEM, the conclusion showed that the phase splitting were all connected state.

通过酸碱中和滴定法测定了硼挥发量，分析了影响硼挥发的因数，结果表明含水量和升温速率是影响硼挥发的重要因数；通过扫描电镜观察了玻璃的分相情况，结果表明其分相类型均为连通状分相。

The central respiratory chemoreceptors that is widely distributed in medulla oblongata can adjust the excitability of the neurons located in respiratory center of brain stem by sensing the changes of pH and the concentration of CO2 in brain, therefore , it plays an important role in keeping acid-base balance rapidly and maintaining homeostasis in vivo.

脑内pH和CO2的变化通过中枢化学感受器(central chemoreceptors，CRCs)调节脑干呼吸中枢的兴奋性，其在快速调节机体酸碱平衡以及内环境稳定的过程中发挥着重要作用。

The titration curve for an acid-base titration is a plot of the solution pH, normally on the vertical axis, against the volume of titrant added

酸碱滴定的滴定曲线是一张溶液的pH值和滴定液用量之间的关系图。

The catalytic systems of Lewis acid and base are useful ways in the non-enzymatic catalysis.

在非酶催化反应中，路易斯酸碱催化是比较常用的方法，它们被广泛地用于多种外消旋体的动力学拆分反应中，目前在该领域取得了很大的进展。

The cat-alytic systems of Lewis acid and base are useful ways in the non-enzymatic catalysis. They were widely used to different kinds of kinetic resolution reactions. At present, mighty advances have been made in the field.

在非酶催化反应中，路易斯酸碱催化是比较常用的方法，它们被广泛地用于多种外消旋体的动力学拆分反应中，目前在该领域取得了很大的进展。

The catalytic systems of Lewis acid and base are useful ways in the non-enzymatic catalysis. They were widely used to different kinds of kinetic resolution reactions.

在非酶催化反应中，路易斯酸碱催化是比较常用的方法，它们被广泛地用于多种外消旋体的动力学拆分反应中，目前在该领域取得了很大的进展。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。