The selectivity is related to the porous structure and acid strength of the catalyst.
选择性与催化剂的结构和酸强度有关；
When I saw on television the news, my heart a tight, an acid strength pours into my nose.
当我看到电视上报道这个消息的时候，我心头一紧，一股酸劲涌进我的鼻子里。
In fact, if you mix an acid and a base of equal strength, you will get a new liquid that is close to being neutral.
事实上，如果你将等量的酸碱混合，你会得到一种新的中性液体。
Generally, the mechanical strength of the system could be improved in every age by acid activation.
多数情况下，经酸激发可提高体系在各龄期的强度。
Constructed of ductile cast iron, it ensures maximum strength and endurance for possible exposure to acid wash down in pulp and paper applications.
韧性铸铁建造，保证最大的力量可能接触酸洗的纸浆和纸张应用瘫痪和耐力。
Ethylation selectivity, was affected by strength of surface acid sites, location of acid sites and pore structure.
乙基化的选择性则与催化剂的表面酸强度、酸性中心位置和孔道结构等因素有关。
The disadvantage is lower mechanical strength, oil, solvent and acid poor, difficult to cure more expensive.
缺点是机械强度较低，耐油、耐溶剂和耐酸碱性差，较难硫化，价格较贵。
Product has outstanding advantages, acid, alkali, oil, cold, high tensile strength and elongation at break, good performance.
产品具有突出优点，耐酸、耐碱、耐油、耐寒、拉伸强度高和断裂伸长率等良好的性能。
The effect was studied on the sink strength and acid and alkali circumstance in tomato fruit during fruit development by Fengchanji2 treatment.
以自然坐果的番茄为对照，研究了丰产剂2号蘸花处理对番茄果实发育过程中库强度和果实内酸碱环境的影响。
Pozzolanic reactivity of several pozzolanic admixture were measured and compared by acid dissolution method. Effects of reaction degree of pozzolanic admixture on strength of paste were discussed.
采用酸溶法测定并比较几种典型的火山灰质掺合料的火山灰活性，探讨其火山灰反应程度对浆体强度的影响。
The specific strength of titanium is high, and has a good corrosion resisting property in most mediums of acid, alkali, and salt service.
钛材的比强度高，高温和低温力学性能好，在大多数酸、碱、盐介质中具有优良的耐腐蚀性能。
The present paper gives a new empirical formula for compute the strength of inorganic Oxy -acid.
本文提出了一个计算无机含氧酸强度的新的经验式。
According to the strength change of the FKJ mortar sample immersed in the alkali, acid and slat solution, test its ability of chemical resistance.
通过FKJ砂浆试件在碱、酸及盐溶液中浸泡后强度变化，试验其耐化学腐蚀能力。
The high collecting strength and good selectivity of T-2K is explained using the theory of hard soft acid base and the theory of frontier molecular orbit.
用硬软酸碱理论和前线轨道理论解释了T -2K的高捕收能力和强选择性。
If the mechanical strength and chemical inertia property would be improved, the alumina ceramic inside sulfuric acid suction tower will achieve longer lifetime.
若能进一步提高陶瓷的机械强度和耐酸腐蚀性能，可提高硫酸的生产效率，并延长硫酸吸收塔的使用寿命。
The permeability change of solidified sludge was not only decided by the total infiltration volume of infiltration liquid but also controlled by the strength of acid;
污泥固化体渗透性的改变，不仅取决于酸性渗透液总的渗透量，也受酸的强度的控制；
Due to dense structure, high tensile strength, excellent wear-ability, anti-crack and corrosion resistance against acid and alkali, it can be used as integral anti-corrosion coat and block coat.
由于其结构致密，具有较高的抗拉强度且耐磨、抗裂、抗酸碱腐蚀性能优异，宜用于防腐蚀整体面层和块材面层的铺砌材料。
The results show that athletes' aerobic endurance, lactic acid decomposition and strength are improved significantly.
结果表明运动员的有氧耐力、乳酸分解和力量等方面明显提高。
Bending strength was measured. The acid treatment parameters were determined and the effect on strength was studied.
测试玻璃的抗折强度来确定酸预处理工艺参数和分析其对强度的影响。
The result showed that the sand - consolidating agent had higher consolidating strength and permeability and very good acid resistance , salt resistance, oil resistance, and heat resistance.
结果表明，研制的固砂剂具有较高的固结强度和渗透性及优异的耐酸、耐盐、耐油和耐温性能。
This paper concentrates on the influence of the mixture of fly ash and slag powder on cement mortar strength and resistance to simulating acid rain.
研究了粉煤灰、矿渣微粉复合双掺时对水泥砂浆的强度以及抗模拟酸雨侵蚀性能的影响。
It point out that mathematical model has definite meaning to adjusted mechanism of lung compensatory and compensatory strength and so on in studying acid-base balance disturbance.
提示这一数学模型对研究酸碱平衡紊乱时，肺代偿调节机制、代偿强度等情况有一定的意义。
Based on the feature of the original phosphoric acid system, we reasonably arrange exercises and intermittent time, and reasonably arrange the order of strength training means.
结合磷酸原系统供能系统的特点合理地安排练习和间歇时间，合理安排力量训练手段的顺序；
We studied the fabricating method of humic acid sodium and forming process of lignite semi-coke and tested strength indexes of moulded coke of different proportioning.
研究了黏结剂腐植酸钠的制备方法及褐煤半焦成型工艺，并对不同配比的型焦作了各种强度指标测试。
The variation of this pH range was dependent on the strength of the base, the volume of the conjugated acid cation, and whether this cation can increase the surface charge of the micelles or not, etc.
这一范围的大小（宽窄）受制于碱的强弱、共轭酸阳离子的体积以及共轭酸阳离子是否能增加胶束表面的电荷等几个方面。
The protein soil glue in nest-wall, mixed with ant-acid and clay, not only keeps temperature and humidity, but also influences soil-body's strength and stability greatly.
由蚁酸与粘粒土拌合而成的蛋白泥胶，不仅具有良好的保温、保湿性能，而且对土体的强度和稳定性具有较大的影响。
Results show that with the decrease of trimacinic acid the fiber strength increases, but as the acid content lowers to a certain level, the strength remains a constant value;
结果表明，随三元酸含量减少，纤维强度逐步增加，但三元酸含量减少到一定程度，强度基本保持一定值；
The various strength indexes of the different ratio formed coke are determined, the results show that the formed coke exhibits high strength when the addition of humic acid sodium is up to 7%.
对不同配比的焦球作了各种强度指标的测定，结果表明当腐植酸钠的配入量达7%时，焦球的各项强度指标均较高。
Material: Nylon 66 certificated by ul, fire-proof standard: 94v-2. Acid and erosion proof, Insulation well, Anti-aging, Hight tensile strength.
材质：采用UL认证之尼龙66料制成，防火等级94v - 2，耐酸、耐蚀、绝缘性好，耐久性、不易老化、承受能力强。
Material: Nylon 66 certificated by ul, fire-proof standard: 94v-2. Acid and erosion proof, Insulation well, Anti-aging, Hight tensile strength.
材质：采用UL认证之尼龙66料制成，防火等级94v - 2，耐酸、耐蚀、绝缘性好，耐久性、不易老化、承受能力强。
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