本发明涉及从阿德福韦制备阿德福韦酯二氧新戊酸双氧甲基酯的方法。
The invention relates to a method for preparing adefovir dipivoxil dual oxygen methyl pivalate from adefovir.
二氧钛和滑石。详情请参间网店资讯。
Beware of titanium dioxide and talc. For more information please go to Shop News.
在二氧六环中它们的量子产率为0.4左右。
其催化速率十分慢，也不善于区分二氧化碳和氧。
Its catalytic rate is exceptionally slow and it is not good at distinguishing between CO2 and oxygen.
考察了对二氧环己酮的最佳合成条件和防霉性能。
The Optimum Synthesis Condition and antimycotic ability ofp-dioxanone were investigated.
通过测量他们的耗氧量和二氧化碳产量来测量他们的代谢率。
Their oxygen consumption and carbon dioxide production were measured to gauge their metabolic rate.
此外，它们还含有二氧(杂)芑和多氯联苯，大大增加了致癌风险。
They also contain much higher levels of cancer causing dioxins and PCBs.
此外，对BDMN及二氧六环在汞电极上的吸附现象也进行了研究。
The adsorption of BDMN and solvent (dioxane) on the dropping mercury electrode has also been studied.
利用二甘醇为原料，一水硫酸氢钠为催化剂合成了1，4 二氧六环。
The synthesis of 1,4dioxane employing the diethylene glycol as raw material and sodium bisulfate monohydrate as catalyst was discussed.
研究了聚乙撑二氧噻吩（PEDOT）膜在水溶液中的阳极降解过程。
The degradation of poly(3,4-ethylenedioxythiophene) (PEDOT) films at an anode in an aqueous solution has been systemically studied.
在二氧六环的解决办法是通过蒸发浓缩和剩余油是在真空中蒸馏水上热水澡。
The dioxane solution was concentrated by evaporation and the remaining oil was distilled in vacuo on a water bath.
'真正的烟气是由氮氧化物(NOx)、氮、氧以及二氧化碳组成，'彼得介绍说。
Real flue gas is made up of nitrogen oxide (NOx), nitrogen, and oxygen as well as CO2, Peter tells me.
当碳与氧结合形成一种无色、无味、无嗅的气体叫做二氧化碳，它比空气重，可以灭火。
When carbon unites with oxygen, it forms a colorless, odorless, and tasteless gas called carbon dioxide, which is heavier than air and will extinguish a flame.
含1，3，2-二氧磷杂环己烷结构的磷-氮系膨胀型阻燃剂的合成和阻燃性能研究。
Synthesis and Flame Resistance Study of Phosphorus-Nitrogen Type Intumescent Flame Retardant Containing 1,3,2-Dioxaphosphorinane Unit.
今天，我们需要保护灵长类，是为了明天的森林能够吸收大气中的二氧碳，防止土壤侵蚀。
We need to protect primates today in order to have forests tomorrow that can absorb carbon dioxide from the atmosphere and prevent the erosion of soil.
将异丁醛与1,4丁烯二醇缩合得到产物二氧七环，对产物进行了元素分析和IR分析。
The condensation compound was synthesized by 2 butene 1, 4 diol and iso butyric aldehyde, and was characterized by elemental analysis and IR.
使用均质和复合壳聚糖膜对二氧六环-水和丙酮-水溶液的渗透汽化分离性能进行了研究。
Pervaporation separation of dioxane-water and acetone-water mixtures has been studied by use of chitosan homogeneous and composite membranes.
发生的事是这样的：在纯净的一个钛和两个氧原子组成的重复单位下，二氧化钛是一种半导体。
What was happening was this: in its pure state of repeating units of one titanium and two oxygen atoms, titanium dioxide is a semiconductor.
测定了在水、乙醇、二氧六环中的紫外吸收光谱与克分子消光系数以及萤光光谱和量子产率。
The ultraviolet absorption spectra and molar extinction coefficients, fluorescent spectra as well as quantum yields of nucleoside hydrazones in water, ethanol and dioxane were measured.
推导了异戊二烯在环已烷-二氧六环混合溶剂中的负离子聚合机理，并通过实验进行了验证。
The mechanism of anionic polymerization of isoprene with cyclohexane and dioxane as solvent was studied and improved by experiment.
结果表明，二氧六环木素与过氧化氢反应后的降解产物中羰基明显增多，而且生成了醌型物质。
The results showed that carbonyl groups in degradation products obviously increased and quinoid matters were produced when dioxane lignin reacted with hydrogen peroxide.
可吸收的6，6-二烃基-1，4-二氧杂环庚烷-2-酮及其环状二聚物的共聚物和混合物。
Absorbable copolymers and blends of 6,6, -dialkyl-1,4-dioxepan-2-one and its cyclic dimer.
这些表面活性剂具有较高的表面活性和相同的亲水基，1 ，3二氧杂环戊烷基团也有一定的亲水性。
The results showed that these surfactants have high surface activity and same hydrophilic group, and the 1,3dioxolane ring are also hydrophilic.
目的检测人血浆中盐酸二氧丙嗪的浓度，并研究在健康志愿者中口服单剂量9mg后的药动学特征。
AIM To determine the concentration of dioxopromethazine hydrochloride in human plasma and investigate its pharmacokinetics in healthy volunteers following oral administration of a single dose of 9 mg.
当你在烧氢类燃料(如石油)时，燃料中的氢原子和碳原子与空气中的氧结合反应，生成了二氧化碳和水。
When you burn a hydrocarbon fuel such as oil, its hydrogen and carbon atoms combine with oxygen from the atmosphere to create water and carbon dioxide.
志愿者们在跑步机上行走，同时被拍摄下来。通过测量他们的耗氧量和二氧化碳产量来测量他们的代谢率。
The volunteers were filmed walking on treadmills. Their oxygen consumption and carbon dioxide production were measured to gauge their metabolic rate.
清洁的胡椒基丁醚生产工艺的研究i, 5 -丙基- 1,3 -苯并二氧杂茂的氯甲基化废水的处理。
Studies on Environmentally Sound Technology for Producing Piperonyl Butoxide I. Treatment of Waste Water from Chloromethylation of 5-propyl-1, 3-benzodioxole.
确定了1,4 -二氧六环中所含的杂质，对共沸精馏法分离及提纯1,4 -二氧六环有重要指导价值。
Impurities in the dioxane were determined. The analysis method has important directive value for separating and purifying 1, 4-dioxane with azeotropic rectification.
确定了1,4 -二氧六环中所含的杂质，对共沸精馏法分离及提纯1,4 -二氧六环有重要指导价值。
Impurities in the dioxane were determined. The analysis method has important directive value for separating and purifying 1, 4-dioxane with azeotropic rectification.
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