•
dichromate
英:【daɪˈkroʊˌmeɪt】美:【daɪˈkrəʊmeɪt】
英:
美:
常见释义:
重铬酸盐
n.
【无化】重铬酸盐
potassium
dichromate
─── 【化】重铬酸钾
sodium
dichromate
─── 【化】重铬酸钠
1、bismuthyl
dichromate
─── 【机】 重铬酸氧铋
2、silver
dichromate
─── 【化】 重铬酸银
3、zinc
dichromate
─── 【化】 重铬酸锌
4、strontium
dichromate
─── 【化】 重铬酸锶
5、barium
dichromate
─── 【机】 重铬酸钡
6、
dichromate
sum ─── 重铬酸盐和
7、
dichromate
titration ─── 【化】 重铬酸钾法; 重铬酸钾滴定法; 重铬酸盐法
8、lead
dichromate
─── 【化】 重铬酸铅
9、
dichromate
-value test ─── 重铬酸盐值试验
10、ferric
dichromate
─── 【机】 重铬酸铁
11、lithium
dichromate
─── 【化】 重铬酸锂
12、potassium
dichromate
─── 【化】 重铬酸钾 ─── 【医】 重铬酸钾
13、cesium
dichromate
─── 重铬酸铯
14、cupric
dichromate
─── 重铬酸铜
15、ammonium
dichromate
─── 【化】 重铬酸铵
16、molybdenum
dichromate
─── 【化】 重铬酸(六价)钼
17、
dichromate
oxygen consumed ─── 【化】 重铬酸盐耗氧量
18、sodium
dichromate
─── 【化】 重铬酸钠
19、
dichromate
treatment ─── 【机】 铬酸处理
1、bichromates ─── n.重铬酸盐
2、achromate ─── n.色盲患者
3、dichromats ─── n.【眼科】二原色视者,【眼科】二色视者
4、dichroite ─── n.【矿物】堇青石(等于cordierite)
5、bichromate ─── n.重铬酸盐
6、chromate ─── n.铬酸盐;vt.用铬酸盐处理
7、dichromatic ─── adj.两色的;二色性的;二色视的
8、dichromates ─── n.【无化】重铬酸盐
9、dichromat ─── n.【眼科】二原色视者,【眼科】二色视者
1、as to its composition of material nature classify
dichromate
, diazoresin salt and iron salt; ─── 按其构成的质料本质辨别有轻铬酸盐不系、轻氮盐不系、铁盐不系等;
2、The proof is recoated with
dichromate
emulsion. ─── 将这张校样重新涂以重铬酸盐乳剂。
3、Currently on the market there are photographicsensitive gum
dichromate
line, diazoresin, molysite salt. ─── 纲前市售的感平胶有轻铬酸盐解,轻氮盐解、铁盐解。
4、The section of tumor at the bottom has been placed into a
dichromate
fixative which turns the tissue brown as the catecholamines are oxidized. ─── 在下方的肿瘤的横断面被放置到重铬酸盐固定液中固定,当儿茶酚胺被氧化时,可将组织染成褐色。
5、Fuse polassium
dichromate
(19) in a porcelain crucible . ─── 熔重铬酸钾(19)在瓷坩埚中。
6、Compare to the section of pink to yellow tumor at the top which has not been placed in
dichromate
fixative. ─── 上图是未使用重铬酸盐固定的标本,肿瘤呈现粉红色到黄*色之间的颜色。
7、Feasible Analysis of Producing Sodium
Dichromate
from Used Chromic Residue Phosphate ─── 利用磷酸铬渣生产重铬酸钠的可行性分析
8、Determination of milligram amounts of plutonium in nitric acid solution - Potentiometric titration with potassium
dichromate
after oxidation by cerium (IV) an reduction by Fe (II) ─── 核燃料技术? 用高铈氧化亚铁还原重铬酸钾电位滴定法测定硝酸溶液中微量钚
9、Preferally, e anion portion of the salt is permanganate, iodate,
dichromate
or hyperchlorite. ─── 它的阴离子部分最好是高锰酸,碘酸,重铬酸或过氯酸根。
10、Keywords
dichromate
;dichlorvos;photocatalysis;oxidation;reduction;mechanism; ─── 离子;敌敌畏;光催化;氧化;还原;机理;
11、The results showed that potassium
dichromate
volumetry hadthe advantages of rapid and easily handling, being available for the batch determinations of soil meso- and microfauna biomass. ─── 结果表明,重铬酸钾容量法快速,操作简便,适合于大批量样品采集情况下湿生中小型土壤动物生物量的测定。
12、Keywords bistriphenylsilyl chromate;triphenyl chlorosilane;potassium
dichromate
;catalyst;ethylene polymerization; ─── 双三苯基硅烷铬酸酯;三苯基氯硅烷;重铬酸钾;催化剂;乙烯聚合;
13、Reclaim hardware must be zinc
dichromate
plated and stress relieved with the exception of the items indicated below. ─── 除下列说明外,回收的五金部件必须镀重铬酸锌并减轻压力。
14、The proof is recoated with
dichromate
emulsion. ─── 将这张校样重新涂以重铬酸盐乳剂。
15、Keywords piling-up irradiation;Monte Carlo method;silver
dichromate
dosimeter;absorbed dose; ─── 堆码辐照;蒙特卡罗方法;重铬酸银剂量计;吸收剂量;
16、Quick Measurement of Total Iron Amount in Pyrite by Tin Dichloride-Potassium
Dichromate
Capacity Method ─── 二氯化锡-重铬酸钾容量法快速测定硫铁矿中全铁量
17、Tetrakispyridine cobalt( Ⅱ )
dichromate
─── 二铬酸氢四吡啶合钴(Ⅱ)
18、the hypothetical acid (H2Cr2O7) from which
dichromate
s are derived; known only in solution and in the form of
dichromate
salts. ─── 一种假定的、能从中提取重铬酸盐的酸,已知仅存在于溶液中或以重铬酸盐的形式存在。
19、Abstract: The method of determining of sodium chloride in the rock salt through potassium
dichromate
backtitration is studied. ─── 中文摘要: 研究了采用重铬酸钾返滴定法测定岩盐中的氯化钠。
20、Keywords saturated solution with hydrochloric acid and bromine;flocculant;potassium
dichromate
;back titration;lead; ─── 盐酸溴饱和溶液;凝聚剂;重铬酸钾;返滴定;铅;
21、The study on measuring COD of wastewater with high content of chlorine by the means of potassium
dichromate
of different concentration ─── 分段重铬酸钾法测定高氯离子废水COD方法研究
22、Keywords cervical erosion;OPIN;Fufang Potassium
dichromate
; ─── 宫颈糜烂;奥平栓;复方重铬酸钾;
23、cod . leachate . determination of the chemical oxygen demand . potassium
dichromate
method. ─── 生活垃圾渗沥水。钾和钠的测定。火焰光度法。
24、Keywords Chemical Oxygen Demand ( COD );Method of Potassium
dichromate
;fast determination;Oxidation-reduction titration; ─── 化学需氧量(COD);重铬酸钾法;快速测定;氧化还原滴定法;
25、In view of the weaknesses of traditional chromating process such as heterogeneous color and red spots when exposed to the air, two-step-passivating process was adopted using potassium
dichromate
. ─── 由于传统铬酸盐钝化工艺存在钝化膜色泽不均匀及红斑等缺陷,采用二步钝化工艺,消除了传统钝化工艺的缺点。
26、the hypothetical acid (H2Cr2O7) from which
dichromate
s are derived; known only in solution and in the form of
dichromate
salts ─── 一种假定的、能从中提取重铬酸盐的酸,已知仅存在于溶液中或以重铬酸盐的形式存在
27、Keywords potassium
dichromate
;glutathione;atomic force microscope;DNA damage; ─── 关键词重铬酸钾;谷胱甘肽;原子力显微镜;DNA损伤;
28、Determination of uranium in uranium ore concentrate by ferrous sulfate reduction--Potassium
dichromate
titrimatric ─── GB/T11848.1-1989铀矿石浓缩物中铀的测定硫酸亚铁还原--重铬酸钾滴定法
29、COMPARATIVE STUDY ON TOXICITIES OF POTASSIUM
DICHROMATE
AND CHROMIUM CHLORIDE ─── 氯化铬和重铬酸钾毒性的比较研究
30、Methods for chemical analysis of bauxite ores--The
dichromate
volumetric method for determination of iron oxide content ─── GB/T3257.4-1982铝土矿化学分析方法重铬酸钾容量法测定三氧化二铁量
31、Followed with an ordinary process of preparing chrome liquor,the valonia tannin was added into the solution of the sodium
dichromate
and sulfuric acid. ─── 复鞣试验结果表明:该复鞣剂具有铬和栲胶复鞣的优点,成革柔软、丰满、粒面细致;
32、Eosin-Y is introduced into the aqueous ammonium
dichromate
to make a eosin-Y sensitized
dichromate
d gelatin plate. ─── 曙红-Y染料加入重铬酸盐明胶敏化液中,制作成曙红-Y敏化重铬酸盐明胶干版。
33、Keywords Photoactive adhesive PVA
Dichromate
ammonium; ─── 感光胶;聚乙烯醇;重铬酸铵;
34、Keywords Methylene blue;potassium
dichromate
;p-amino-N;N-dimethylaniline;sulfide;total differential spectrophotometric method;water; ─── 亚甲蓝;重铬酸钾;对二甲氨基苯胺;硫;全差示光度法;水;
35、A Novel Microlens Array Made of Ammonium
Dichromate
Gelatin【J】. ─── 引用该论文 庄思聪,朱瑞兴.
36、Uranium dioxide powder and pellets-Determination of uranium--Ferrous sulfate reduction-potassium
dichromate
oxidation titrimatric method ─── GB/T11841-1989二氧化铀粉末和芯块中铀的测定硫酸亚铁还原--重铬酸钾氧化滴定法
37、I let the silver nitrate react with pieces of brain hardened in potassium
dichromate
. ─── 我让已被重铬酸钾硬化的一些脑组织细胞与硝酸银反应。
38、Potassium
dichromate
titration method was used for determining sodium lactate in compound sodium lactate injection. ─── 用重铬酸钾法测定复方乳酸钠注射液中的乳酸钠,方法简便、速,准确。
39、To remove main disturbing ion,chlorine ion in the COD potassium
dichromate
reflux method,silver sulfate replaces mercury sulfate as a screening agent. ─── 对COD重铬酸钾回流法中的主要干扰离子,氯化物的消除,选择了用硫酸银代替硫酸汞做掩蔽剂。
40、Keywords iron oxide powder;total iron;stannous chloride;potassium
dichromate
titration; ─── 氧化铁粉;全铁;氯化亚锡;重铬酸钾滴定;
41、potassium
dichromate
─── n. 【化】重铬酸钾
42、Fuse potassium
dichromate
(19) in a porcelain crucible. ─── 在瓷坩埚中熔化重铬酸钾(19)。
43、Discussion About Oslo Evaporator in Producing Sodium
Dichromate
─── 对红矾钠生产中采用奥斯陆蒸发器的探讨
44、Keywords Treatment of wastewater;Photocatalytic reducing;Potassium
dichromate
;Titanium oxide;Tungstentrioxide; ─── 废水处理;光催化还原;数据库;软件开发;
45、Determination of milligram amounts of plutonium in nitric acid solution-?Potentiometric titration with potassium
dichromate
after oxidation by cerium (IV) an reduction by Fe (II) ─── 核燃料技术?用高铈氧化亚铁还原重铬酸钾电位滴定法测定硝酸溶液中微量钚
46、Silicate rocks--Determination of ferrous oxide content--Potassium
dichromate
volumetric method ─── GB/T14506.14-1993硅酸盐岩石化学分析方法重铬酸钾容量法测定氧化亚铁量
47、Keywords 2-methylpyridine;2-pyridinecarboxylic acid;chemical oxidation;potassium
dichromate
; ─── 甲基吡啶;2-吡啶甲酸;化学氧化;重铬酸钾;
48、Male and female rats and mice were gien four different doses of sodium
dichromate
dihydrate in their drinking water ranging from 14.3 mg/l to 516 mg/l for two years. ─── 研究人员在雌雄大鼠和小鼠的饮用水中加入4种不同剂量(14.3毫克/升至516毫克/升)的重铬酸钠,为期两年。
49、
dichromate
sum ─── 范色和
50、Determination of iron in the iron ore by titrimetry with hydroxylamine hydrochloride-potassium
dichromate
without mercury ─── 盐酸羟胺-重铬酸钾无汞滴定法测定铁矿石中铁
51、Keywords micronucleus test;antimutagenesis;soldium selenite;potassium
dichromate
; ─── 微核试验;抗诱变性;亚硒酸钠;重铬酸钾;
52、A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium
dichromate
has been brought forward. ─── 提出了硝酸分解重铬酸钾法联产铬酸酐与硝酸钾的清洁工艺,并优选出过程中主要环节的合理操作条件。
53、Keywords organic carbon;potassium
dichromate
;ferrous sulfate;chemi cal volumetric analysis; ─── 有机碳;重铬酸钾;硫酸亚铁;化学容量分析;
54、YANG Shujun. Simply and conveniently measure soil organic matter with potassium
dichromate
oxidation method【J】. Modern Agriculture, 1997(40: 23. ─── 杨树钧.用重铬酸钾氧化法简便快速测定土壤有机质含量【J】.现代农业,1997(4):23.
55、Determination of sodium chlorate in the production solution of activated manganese dioxide by titration with potassium
dichromate
after separation of manganese dioxide precipitation ─── 二氧化锰沉淀分离重铬酸钾滴定法测定活性二氧化锰生产液中氯酸纳
56、Investigation with potassium
dichromate
of alcohol from anaerobic respiration of jeast ─── 用重铬酸钾检测酵母菌无氧呼吸产物酒精的原理
57、Peripherin-gum or film at the glutin, flameretardant, nylatron, properry in the adoption of
dichromate
and diazoresin photosan salts. ─── 感平胶或膜凡是以明胶、聚乙烯醇、尼龙等作为基体,拔取轻铬酸盐和轻氮盐为平敏剂。
58、Keywords chemical oxygen demand;rapid determination;potassium
dichromate
; ─── 化学耗氧量;快速测定;重铬酸钾;
59、The suite accuses KBR of having knowingly allowed the soldiers to be exposed to the cancer causing chemical sodium
dichromate
while they were protecting a Iraq water pumping plant. ─── 诉讼指控KBR公司在事先知道的情况下,执意将这些士兵暴露在致癌的化学物质重铬酸钠中,当时他们正在捍卫一家伊拉克的抽水公工厂。
60、DETERMINATION OF COMPOUND SODIUM LACTATE INJECTION BY POTASSIUM
DICHROMATE
METHOD ─── 复方乳酸钠注射液的重铬酸钾法测定
61、sand filtration tube- potassium
dichromate
─── 砂滤管--重铬酸钾容量法
62、The conclusion of this study was that potassium
dichromate
has obvious teratogenic effect on Vicia faba root tip cells. ─── 结论是重铬酸钾对蚕豆根尖细胞具有明显的致畸效应。
63、Keywords chemical oxygen demand;testing agent;substitute;water quality monitoring;potassium
dichromate
; ─── 化学需氧量;测试剂;替代品;水质监测;重铬酸钾;
64、The image of reflectance volume hologram taken is clear, bright and can be campared favouably with that of
dichromate
gelatia plate. ─── 所摄反射型体积全息图图像清晰、明亮,可与重铬酸盐明胶版媲美。
65、Using the reaction of the crosslinking of ammonium
dichromate
gelatin after irradiation, a novel microlens array was fabricated. ─── 根据重铬酸铵明胶在受光照后发生交联的原理,采用重铬酸铵明胶作材料制作了微透镜阵列。
66、
dichromate
oxygen consumed ─── 【化】 重铬酸盐耗氧量
67、Acid resist: An acid-proof protective coating applied to metal plates prior to etching designs thereon.
Dichromate
colloid solutions employed in photoengraving provide acid resists through the action of light on the sensitized surface. ─── 抗触膜:在触刻图案前涂在金属版面上的抗蚀保护剂。重铬酸盐胶液是照相蚀刻版(俗称电版)所用的感光液及抗蚀膜。光线的照射引起它的抗蚀作用。
68、Rapid Determination of Metallic Ferro Content in Sponge Iron by Ferric Chloride - Potassium
Dichromate
Volumetric Method ─── 三氯化铁-重铬酸钾容量法快速测定海绵铁中金属铁量
69、The conclusion of this study was that potassium
dichromate
has obvious teratogenic effect on Vicia faba root tip cells. ─── 结论是重铬酸钾对蚕豆根尖细胞具有明显的致畸效应。
70、Result:Data from these patients showed that top 10 allergens were as follows:fragrance mix,phenylenediamine base,potassium
dichromate
,resin, nickel sulfate. ─── 结果:列前10位的常见致敏原分别是芳香混合物,对苯二胺、重铬酸钾、松香、硫酸镍。
71、with cystine in the overall reduction process of
dichromate
. ─── 同胱氨酸在整个过程中降低重铬酸钾。
72、Keywords air oxygen detrition;air pollution;potassium
dichromate
; ─── 空气耗氧量;空气污染;重铬酸钾;
73、METHODS The recovery between the former redox process(potassium
dichromate
titration method) and this redox process were compared. ─── 方法:以离子交换法作对照,进行改进前后氧化还原法的回收率比较研究。
74、Removal of Chlorine Ions in the Production of Sodium
Dichromate
and Its Influence on Product Quality ─── 红矾钠生产中氯离子的除去及对产品质量的影响
75、This paper reports the chemical polymerization reaction of o methylaniline in aqueous HC1 solution when potassium
dichromate
is used as oxidizer. ─── 报道了重铬酸钾作为氧化剂时,邻甲苯胺单体在酸性溶液中的聚合反应。
76、Incorporating potassium
dichromate
and alcohol into the aniline at various stages of the experimental process, he finally produced a deep purple solution. ─── 在实验过程的不同阶段,他将重铬酸钾和酒精加入苯胺中,最终得到了深紫色的溶液。
77、
Dichromate
+ OVA (early protein). As a result of dark reaction save interval, due to the existence of heavy metals, has restricted crisis. ─── 重铬酸盐+OVA(早期用蛋白)。因暗反应导致保存期缩短,又由于重金属存在公害问题,已限制使用。
78、Two different types of potential oscillations have been identified for the first time during
dichromate
reduction on a gold electrode in a solution of dilute sulfuric acid. ─── 摘要首次报道稀硫酸溶液中重铬酸钾在金电极上还原时产生的两种不同类型的电势振荡。
79、Determination of purity of potassium
dichromate
by Coulometric Titrimetry ─── 库仑滴定法测定重铬酸钾试剂的纯度
80、A method for the detemination of chlorine in potassium
dichromate
by ion selection election was studied. ─── 研究了用离子选择性电极法测定红矾中的氯。
81、Results of organic mass spectrometry analysis of East Lake,Wuhan showed the applicability of potassium
dichromate
method in eutrophic waters. ─── 根据东湖水样的有机质谱分析结果,重铬酸钾法测定富营养化水体的适用性在文中得到论证。
82、Disposal project of waste water from the production of sodium
dichromate
in engineering design ─── 工程设计中红矾钠的废水治理方案
83、Keywords micromethod;macromethod;ironic ion;potassium
dichromate
; ─── 微量法;常量法;铁离子;重铬酸钾;
84、Preferably , the anion portion of the salt is permanganate, iodate,
dichromate
or hyperchlorite. ─── 它的阳离子部分最好是高锰酸、碘酸、重铬酸或过氯酸根。
85、Copper and lead in Qingshuitang lead zinc ore were separated by floatation separation with ternary agent, its experiment index is higher than that with potassium
dichromate
. ─── 用三元合剂对清水塘铅锌矿进行铜铅分离浮选,其试验指标比以前用重铬酸钾的试验指标高,药剂用量低,避免铬的污染,改善生产环
86、magnesium sulfate anhydrous, magnesium sulfate heptahydrate, sucrose, potassium
dichromate
, potassium ferricyanide, potassium ferrocyanide, ... ─── 上海实验试剂有限公司,无水硫酸镁,无水乙醚,邻苯二甲酸氢钾等化学试剂,化工原料.
87、The determination of COD in wastewater by potassium
dichromate
colorimetric method was discussed. ─── 对重铬酸钾比色法测定水中化学需氧量(COD)的方法进行了验证性研究。
88、Keywords Poly o methylaniline Potassium
Dichromate
Chemical Oxidation; ─── 聚邻甲苯胺;重铬酸钾;化学氧化;
仲丁醇和酸性重铬酸钾反应现象
仲丁醇与酸性重铬酸钾反应的现象是: 颜色由橙红色变为绿色。
仲丁醇上的羟基被氧化成羰基,不过没有伯丁醇上的羟基活泼,所以褪色会慢点
仲丁醇(2-butyl alcohol;sec-butyl alcohol),分子式C4H10O。无色透明的易燃液体,有类似葡萄酒的气味。
重铬酸钾(potassiumdichromate)别名为红矾钾,是一种有毒且有致癌性的强氧化剂,室温下为橙红色三斜晶体或针状晶体,溶于水,不溶于乙醇。
仲丁醇和酸性重铬酸钾反应现象
仲丁醇α-碳上有氢原子,可以被酸性重铬酸钾氧化生成2-丁酮,而酸性重铬酸钾被还原为绿色的三价铬离子,反应现象是后橙红色变为绿色溶液。