查询词典 oxidize

An unstable important intermediate ,2- methoxymethyl-hydroquinone which is very easy to oxidize and polymerize, and its precursors were first synthesized, a...

第一、二条合成线路前人未见报导，从中得到了四个苯并呋喃类衍生物，并详细地探索了环化反应的条件。

This thesis consists of four parts as follows: Part I: ReviewThe purpose of the present review is to summarize the organic chemistry of polyvalent iodine compounds regarded as Chlorides, Fluorides, Oxidize reagents in the field of organic synthesis, especially focus on their synthetic application and space structure, there are lots of reaction examples to illustrate the incomparable merits of organic polyvalent iodine compounds in the synthesis of some drugs and natural products.

本论文由以下四部分组成：第一部分：文献综述本部分比较全面地回顾了有机含碘化合物作为氯化、氟化、氧化试剂在精细有机合成中的应用，主要针对含碘试剂的合成及其结构做了比较详细的综述，并且列举了大量反应实例引证了这种类型试剂在药物及天然产物合成方面具备的优势。

The Rope of Cotton Yarn goes through a Vat of Indigo and then is taken to the ROOF of the factory where it is allowed to oxidize and then brought back to dip.

棉纱线通过染缸进行靛蓝的还原染色，然后再被输送到工厂顶部的氧化架进行空气氧化，之后再次浸渍染料。

It is based on the facts that in the presence of sulfuric acid and sodium dodecyl benzene sulfonate, vanadium activated by vitamin C can catalyze potassium bromate to oxidize safranine O, the oxidation products of safranine O can emit intense and stable fluorescence on nitrocellulose membrane.

基于在硫酸介质和十二烷基苯磺酸钠存在下，抗坏血酸活化钒催化溴酸钾氧化番红花红O发射强而稳定的荧光的特性，建立了ⅤC活化溴酸钾氧化番红花红O催化荧光法测定痕量钒的新方法。

The result makes clear: CF surface acidity is luscious it is good to increase and increase effect of acid treatment of; thick saltpetre what round amount handles time as thick nitric acid to oxidize than air, when the time that handles CF when thick nitric acid is 20 Min, tensile strength of CF/TPI composite material and flexural strength rise respectively 10% with 14%, XPS shows CF surface active is right now luscious the group increases than was not being handled 35.89%.

结果表明：CF表面酸性官能团的数量随着浓硝酸处理时间的增加而增加；浓硝酸处理效果比空气氧化好，当浓硝酸处理CF的时间为20 min时，CF/TPI复合材料拉伸强度和弯曲强度分别提高10%和14%，XPS表明此时CF表面活性官能团比未处理增加35.89%。

The results indicate that the BC3 compound starts to oxidize at about 620℃, compared to about 510℃ for pure C, which reveals the inhibiting effect of substitutional boron.

这种层状硼碳化合物在620℃左右开始氧化，比纯碳样品的初始氧化温度高大约100℃，替代的硼明显的改善了破的抗氧化性能。

Acetobacter and Gluconobacter can be allowed to oxidize the ethanol to acetic acid and form a wine vinegar .

醋酸杆菌和葡萄糖酸菌可以用来氧化乙醇而得醋酸形成一种葡萄酒醋。

In microwave condition Ce~(4+) may oxidize sulfur compound such as the benzothiophene mainly in diesel fuel into sulfonea for the first time. By choosing proper solvent DMF to extract sulfonea, thus in microwave condition sulfur content in diesel fuel is reduced from 554ppm to 96ppm, up to 82.7% desulfurization ratio.

3微波条件下首次使用Ce~(4+)来氧化柴油中的硫化物并把这类硫化物氧化成砜类化合物，再选用合适的溶剂DMF，把这些砜类化合物通过萃取的方法除去，微波条件下的氧化脱硫可以将柴油中的硫含量从554ppm降到96ppm，达到82.7％的脱硫率。

Under supersonic condition Ce(superscript 4+) may oxidize sulfur compound such as benzothiophene in diesel fuel into sulfonea. By choosing a proper solvent to extract sulfonea, the sulfur content in diesel fuel is reduced from 554 mg/L to 25 mg/L with a desulfurization ratio of 95.5% and the sulfur content of diesel oil by oxidization is in line with the quality standard of diesel oil in World Fuel standard Ⅲ.

首次超声条件下使用Ce(上标 4+)氧化柴油中的硫化物，并把这类硫化物氧化成砜类化合物，再选用合适的溶剂将这些砜类化合物通过萃取方法除去，使柴油中的总硫含量从554mg/L降到25mg/L，达到了95.5%的高脱硫率。

In supersonic condition Ce~(4+) may oxidize sulfur compound such as benzothiophene mainly in diesel fuel into sulfonea for the first time. By choosing proper solvent to extract sulfonea, thus sulfur content in diesel fuel is reduced from 554mg/L to 25mg/L, up to 95.5 % desulfurization ratio and the sulfur content of diesel oil by oxidization meet to the quality standard of diesel oil in World Fuel standard III.

2在超声条件下首次使用Ce~(4+)来氧化柴油中的硫化物并把这类硫化物氧化成砜类化合物，再选用合适的溶剂DMF，把这些砜类化合物通过萃取的方法除去，从而将柴油中的总硫含量从554ppm降到25ppm，达到95.5％的高脱硫率。

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。