英语单词大全
英语单词大全chromium total是什么意思
输入英文单词或中文词语查询其翻译

chromium total是什么意思 chromium total在线翻译 chromium total什么意思 chromium total的意思 chromium total的翻译 chromium total的解释

chromium total

chromium total 双语例句

1. The screw and the threaded sleeve is made of chromium, molybdenum, aluminum, voltage cubicle adopts integrated circuit, automatical temperature controlling, total-variable-frequency technique, only one person is needed in each work shift. it can use one of the PP.
    本机是PP原料的生产设备,全自动上料,主要生产纯透明,超薄、超宽的异型带,主机齿轮箱经过特殊处理,螺杆、螺套采用铬钼铝精加工而成,电柜采用集成电路及全自动控温,全变频技术,每个班次只需一人就可操作。

2. The screwthe threaded sleeve is made of chromium, molybdenum, aluminum, voltage cubicle adopts integrated circuit, automatical temperature controlling, total-variable-frequency technique, only one person is needed in each work shift. it can use one of the PP.
    本机是PP原料的生产设备,全自动上料,主要生产纯透明,超薄、超宽的异型带,主机齿轮箱经过特殊处理,螺杆、螺套采用铬钼铝精加工而成,电柜采用集成电路及全自动控温,全变频技术,每个班次只需一人就可操作。

3. In this thesis, we describe a facile and economical synthesis of-abscisic acid from keto-isophorone and 3-butyn-2-ol through ketalization, oxidization, Witting-Horner reaction, reduction with chromium sulfate and other steps in 13% total yields. Compared to the previous routes, the starting materials are more commercially available and cheaper and the synthetic process is more easily controlled in our method, but the yield of this route is still to be improved. As to isostere principle, cyclopropyl and methyl vinyl are a couple of isostere.
    本论文设计并完成了一条全新的外消旋脱落酸(1)全合成路线,从廉价的工业原料氧化异佛尔酮和丁炔醇出发,经过缩酮化反应、氧化反应、Wittig-Horner反应、CrSO_4选择性还原反应以及水解等七步反应实现了脱落酸的全合成,总产率达13%,与以往路线相比,该路线所用试剂廉价、合成路线简单,但产率有待提高。

4. A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprising: a component of anions, each of said anions consisting of at least four fluorine atoms and at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron, and, optionally, ionizable hydrogen atoms, and optionally, one or more oxygen atoms; a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, and copper; the ratio of the total number of cations of this component to the total number of anions of component being at least 1:5; sufficient free acid to give the composition a pH in the range from 0.5 to 5.0; a component selected from the group consisting of phosphorus-containing inorganic oxyanions and phosphonate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins and, preferably, also including a component selected from the group consisting of tungstate, molybdate, silicotungstate, and silicomolybdate anions.
    通过对包含以下成分的含水酸性液体进行干燥,可以在金属上形成无铬的转换涂层,该涂层与普通铬酸盐转换涂层相比,至少在抗腐蚀质量上等效:$_一种阴离子成分,所述各个阴离子包括至少4个氟原子,至少选自钛、锆、铪、硅与硼元素中的1个原子。任选地可离解的氢原子,任选地1个或多个氧原子;$_一种选自钴、镁、锰、锌、镍、锡、锆、铁与铜元素的阳离子成分,上述成分的阳离子总数与成分内的阴离子总数之比至少为1∶5;$_足够的游离酸以使该组合物的pH值在0.5~5.0的范围内;$_一种选自含磷的无机含氧阴离子与膦酸盐阴离子的成分;$一种选自水溶性与水可分散性有机聚合物与聚合物形成的树脂的成分,优选还包括一种选自钨酸盐、钼酸盐、钨硅酸盐与钼硅酸盐阴离子的成分。

5. After 30 June 2001, all packaging and packaging components shall contain a maximum 100 ppm sum of the total concentrations of lead, cadmium, hexavalent chromium chromium (VI and mercury.
    2001年6月30日起,所有包装和包装组件所含总铅、镉、六价铬和汞的总量不超过100ppm。类似于美国CONEG的要求

6. Soil quality Determination of total chromium Flame atomic absorption spectrophotometry
    GB/T17137-1997土壤质量总铬的测定火焰原子吸收分光光度法

7. chromium total什么意思

7. The acidity conditions were discussed about determination of total chromium with AAS (flame atomic absorption spectrophotometry).
    对火焰原子吸收法测定总铬的酸度介质条件进行了分析和论述。

8. The alloxan diabetes mice was given three doses of the bean sprout powder by gav-age for 30 days. According to the total chromium content the three doses were low dose group, 8.3 μ g/kg.
    给四氧嘧啶高血糖模型小鼠3个剂量的富铬豆芽粉(按其总铬含量计):低剂量组8.3μg/kg。

9. With certain exceptions, it now prohibits the sale of a packaging with a total concentration of lead, cadmium, mercury plus hexavalent chromium that exceeds 100 ppm.
    某些例外,禁止出售一种包装,以总浓度铅、镉、汞六价铬超过100分之多。

10. The total chromium in water and waste water was direct determined by flame atomic absorption spectrophotometry. The analysis condition, accuracy and precision were obtained.
    研究了火焰原子吸收分光光度法直接测定水和废水中的总铬,确定了最佳的分析条件,验证了方法的准确度和精密度。

11. The results show that benzo (a) pyrene is of the highest total score in several kinds of persistent toxic substances, followed by chromium (VI), cadmium, lead and benzene hexachloride (BHC, a kind of organo-chlorine pesticides).
      结果表明,在几类典型的持久性毒害污染物中,苯并(a)芘的总分值最高,其次为重金属类的铬(六价)、镉、铅及有机氯农药类的六六六。

12. Humic acid and hexavalent chromium have no effect in total phosphorus removal of sewage.
      腐殖酸和六价铬对污水中总磷去除没有影响。

13. A Study on the Chelate Resin Concentration and AAS Determination for Sexavalence Chromium and Total chromium in Water
      螯合树脂富集&AAS测定水中六价铬、总铬的研究

14. chromium total

14. " Solid waste Determination of total chromium 1, 5 - diphenylcarbazide spectrophotometric method "
      GB/T15555.5-1995固体废物总铬的测定二苯碳酰二肼分光光度法

15. chromium total的近义词

15. Determination of total chromium in soil samples by micelle enhanced sensitivity catalytic spectrophotometry
      胶束增敏催化动力学光度法测定土壤中的总铬量

16. chromium total

16. At heated condition, the trivalent chromium is oxidized by potassium permanganate and total chromium is determined by direct photometric method.
      在加热条件下,用高锰酸钾氧化低价铬,直接以DPC光度法测定其总铬。

17. Authorities said the drinking water in Qujing city, Yunnan, was safe after chromium dregs were illegally dumped in the city's water, killing a total of77 livestock.
      云南省曲靖市政府环保部门通报称,当地因非法倾倒铬渣导致的污染共造成77头牲畜死亡。

18. An experiment was conducted using a total of 12049-week old Beijing Red commercial layers to investigate the effects of dietary added chromium (Cr) source and Cr level on egg production performance, egg quality, serum biochemical traits and immune responses of heat stressed layers.
      用49周龄北京红商品产蛋鸡120只进行试验,研究铬源及铬水平对热应激产蛋鸡产蛋性能、蛋品质、血清生化特性及免疫功能的影响。

19. chromium total的意思

19. Total chromium content of collagen protein/peptide was 25 times as much as that of the standard.
      总铬含量超标25倍,六价铬含量超标100多倍。

20. Leaching toxicity of the new and old chromium-containing slag was discussed. At the same time the total Cr (ⅵ) in chromium-containing slag was extracted, and the leaching behaviors of the main anion and cation in chromium-containing slag were analysed.
      本试验对新渣和陈渣的浸出毒性进行了探讨,同时对铬渣中Cr(Ⅵ)进行全量溶取,并分析铬渣中主要阴、阳离子的浸出行为。

chromium total是什么意思,chromium total在线翻译,chromium total什么意思,chromium total的意思,chromium total的翻译,chromium total的解释,chromium total的发音,chromium total的同义词,chromium total的反义词,chromium total的例句,chromium total的相关词组,chromium total意思是什么,chromium total怎么翻译,单词chromium total是什么意思
常用英语教材
热门查询
热门查询 日常生活 (共18个)占卜求签 (共17个)民俗文化 (共14个)交通出行 (共10个)学习应用 英语单词大全 (共24个)休闲娱乐 (共7个)站长工具 (共7个)身体健康 (共4个)
©2021   京公网安备 11010102003066号