建立了一种氧化蜡过氧化价的快速测定方法，考察了溶剂、测定温度、反应时间对测定结果的影响。
This paper established a fast measuring way of peroxide value of oxidized wax and the effect of solvent, measuring temperature, reaction time on the measuring results were discussed.
研究人员发现，铬元素的氧化物由六价铬转变为三价铬，这与画作中的铬黄色日趋变暗有关。
The researchers found that a change in the oxidation state of the element chromium (from chromium 6 to chromium 3) was linked to the darkening of chrome yellow paint.
三氯化铁溶液不断地冲刷不锈钢板的表面，溶液中的三价铁离子快速氧化不锈钢板，不锈钢板就被蚀刻下去了。
Ferric chloride solution constantly scouring the surface of stainless steel plate, the solution of ferric ion rapidly oxidized stainless steel plate, stainless steel plate was etched on the go.
番茄红素能有效抑制油脂的酸败，降低油脂的酸价和过氧化值，延长油脂的保存时间。
Lycopene can effectively control the acidation of oil, reduce the acid value and peroxide value of the soybean oil, and prolong the storage time.
渠道内进行着中和作用、铁与铝的沉淀作用及二价铁的氧化作用。
It carries on the neutralization, precipitation of iron and aluminum and ferrous oxygenation alone the channel.
有元素化合价升降的反应是氧化还原反应。
The reaction in which the valence of elements raises or downs is REDOX reaction.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液，它可以通过还原糖被还原为不溶性的铜(一价)的氧化物，产生红色的沉淀物。
Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
与氯代烯烃或芳烃相反，氯代膦烯与零价钯的氧化加成反应可以在温和条件下进行。
On the contrary to the vinyl and aryl chlorides, the oxidative addition reaction of zerovalent palladium to chloro-substituted phosphaalkenes proceeded smoothly under mild conditions.
通过分析，我们发现了分子体系的价层轨道平均结合能与金属氧化物催化活性间的内在规律。
Inherent laws between the average binding energy of valence orbits of molecular systems and the catalytic activity of metal oxides are found by analysis.
另外其化学指标的过氧化值和酸价与对照相比也有一定的改善。
Besides, compared with control the peroxide value and acid price of its chemical indexes also improve a little.
因此，形成价态更高的钒氧化物薄膜。
Therefore, formation of high valance vanadium oxide films was obtained.
概括了几种常用的三价和五价碘试剂作为氧化剂氧化醇的研究进展，并对相应的氧化机制进行了探讨。
Advances in the oxidation of alcohol promoted by I (III) and I (v) reagents are reviewed and the relevant mechanisms are discussed as well.
从键价的概念出发，对氧化物超导体中铜离子的有效电荷进行了计算。
Effective valences of copper in superconducting oxides were calculated from the concept of bond valence.
本文研究表明：碎核桃仁在加速氧化试验过程中，过氧化值和酸价持续不断增加；
The results showed that the fragment walnut kernel's peroxide value and acid value are increasing in the time of accelerated oxidation.
运用XPS分析方法研究一系列复合氧化物催化剂中毒前后硫在其表面的各种形态及催化剂活性组分中毒前后的组成、价态、化学机理及其变化。
By using XPS, before and after the intoxication of mixed oxide catalysts, the various appearance and the composition. valence and chemical mechanism of the active component of catalysts were studied.
铅化物的原子价有+2和+4价，其中铅氧化物(密陀僧)是最广为使用的。
Lead in compounds has valence 2 and 4; an oxide (litharge) is the most widely used.
探讨了红花籽油(简称红花油)用于烹调使用的温度及烹调温度对酸价和过氧化值的影响。
In this paper the cooking temperature of safflower seed oil (simplified as safflower oil) and the influence of cooking temperature on acidic value and peroxide value were investigated and discussed.
在高温下，用碱性过硫酸钾溶液将水样中三价铬氧化为六价铬，比色测定总铬。
Trivalcnt chromium was oxidized to hexavalent chrome by alkaline potassium persulfate under high -temperature. Then total chromium was measured by colorimetry.
在粗品肝素钠溶液中加入胰蛋白酶对杂蛋白进行酶解，再结合氧化除杂，提高了精品肝素钠的效价和效价回收率。
The results showed that the improved process, which combined oxidation and degradation, can raise the potency and recovery of heparin sodium salt.
维生素b12可被氧化剂和还原剂、醛类抗坏血酸、二价铁盐、香草醛和阿拉伯树胶破坏。
Vitamin B12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.
在金华火腿加工过程中，肌内脂肪和皮下脂肪的酸价一直上升，过氧化值、羰基价和TBA值有升有降，但总体呈上升趋势，脂肪氧化程度不断增强。
During the processing of JinHua ham, AV value kept rising, POV value carbonyl value and TBA value was up and down, but rising totally, the degree of lipid oxidation increased continuously.
采用低透气性的包装材料进行真空包装或添加脱氧剂包装，可明显抑制过氧化值和酸价的增加速度，延缓酸败。
Compared with the control, the vacuum package or adding deoxidant package with materials of low venting quality can constrain the accelerating speed of PV and AV, and delay rancidity.
煎炸油在加热过程中由于高温发生一系列的化学反应，导致煎炸油中的酸价、过氧化值、极性物质含量等指标发生变化。
Several chemical changes undergo during the frying oil heated, inducing varieties of free fatty acid content, peroxide value and the quantity of the polar components.
以库仑分析法为研究手段，考察了在室温下经电化学活化的石墨基二氧化铅阳极电生三价钴的条件及其应用。
It was studied that the graphite-based lead dioxide anode which had been electrochemically activated was used to electrogenerate trivalent cobalt ion by means of coulometry at ambient temperature.
本发明的特征是从锰污染的土壤中分离得到一株对可溶二价锰有氧化作用的芽胞杆菌MK3-1。
The invention is characterized in that the Bacillus sp MK3-1 which has oxidation effect on soluble bivalent manganese is obtained through the separation from soil with the manganese pollution.
判据指出，一切氧化物超导体的原子价层轨道平均能的平均值都在- 12。
The criterion shows that the average values of average energy of valence orbits of atom of all the oxide superconductors concentrate in a narrow range from -12.
氧化剂的制造是将二价无水醋酸锰溶于冰醋酸中，用高锰酸钾将其氧化成三价醋酸锰。
Oxidizing agent was prepared by means of anhydrous manganous acetate dissolved in glacial acetic acid and oxidized to divalent manganic salt by potassium permanganate.
抑制酸价和过氧化值的升高，延长油脂的使用期，增长油炸食品的保质期。
Restraining the increase of aid value and over-oxidation, the use life of the filter oil is prolonged and the quality of the Fried food is guaranteed.
电沉积过程中，钨酸根被还原成中间价态的氧化物。
Tungstate ions were reduced to oxide with intermediate valence.
电沉积过程中，钨酸根被还原成中间价态的氧化物。
Tungstate ions were reduced to oxide with intermediate valence.
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