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单词 potassium
释义

potassium /pəˈtæsiəm//pəˈtæsiəm/

英汉-汉英词典
n. <化>钾
形容词: potassic
词组 | 习惯用语
potassium chloride [化]氯化钾
potassium permanganate n. [化]高锰酸钾
potassium sulfate 硫酸钾
potassium nitrate [化]硝酸钾
potassium carbonate [化]碳酸钾
potassium hydroxide [化]氢氧化钾
potassium dichromate [化]重铬酸钾
potassium iodide 碘化钾
potassium persulfate 过硫酸钾
potassium sorbate [化]山梨酸钾
potassium bromate [化]溴酸钾
potassium sulphate 硫酸钾
potassium titanate n. 钛酸钾
potassium chlorate n. [化]氯酸钾
potassium fluoride [化]氟化钾
potassium borohydride 硼氢化钾
potassium bromide [化]溴化钾
potassium feldspar [矿]钾长石
potassium ferricyanide 铁氰化钾
potassium citrate 柠檬酸钾
英语例句库
  1. No potassium did we find in this mineral.
    在这种矿石中我们没有发现钾
  2. Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.
    通过过一硫酸和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。
  3. Comparison interventions included non-iodised salt, iodised water, iodised oil, iodation with potassium iodide versus potassium iodate.
    作对照的干预措施包括无碘食盐、碘化水、碘油,以及碘酸钾与碘化钾作对照。
  4. Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.
    以对氯硝基苯和活性氟化钾等为原料,经二步法合成了对氟苯胺。
  5. During preparing potassium sulfate or langbeinite,schoenite is the important middle resourses.
    在硫酸钾或钾镁肥生产过程中,软钾镁矾是其中很关键的中间原料。
  6. Long-term intracerebroentricular infusion of potassium chloride preents the deelopment of deoxycorticosterone–salt hypertension.
    长期脑室内输注氯化钾会预防脱氧皮质酮-盐高血压的产生。
  7. The reaction principal, reaction procedure and flowsheeting in the potassium sulfate method are included.
    给出了甲酸钠法的反应原理、反应过程以及工艺流程。对原料消耗、产品规格及质量测定作了简单介绍。
  8. The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.
    研究了以硼氢化钾修饰的雷尼镍催化剂催化松油醇加氢制备二氢松油醇的反应。
  9. Another transparent gels with open-cell structure could be obtained by bicontinuous microemulsion polymerization using potassium perman...
    研究证实,在保持聚合过程相对稳定的前提下,微乳液聚合物凝胶与初始微乳液在结构上具有相似性。
  10. Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.
    以苯甲醛和丙酮为原料,氟化钾氧化铝作催化剂合成了苄叉丙酮。
  11. The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.
    提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细化剂的新方法。
  12. The preparation method of potassium pentaborate (KB5O8) was studied with the replacement reaction between potassium chloride and sodium pentaborate solution.
    研究了利用氯化钾晶体和五硼酸钠溶液的复分解反应制备五硼酸钾的方法。
  13. Isopropyl cinnamylate was synthesized by the esterifiestion of isopropyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.
    硫酸氢钾催化肉桂酸与异丙醇的酯化反应,合成了肉桂酸异丙酯。
  14. As a result, the method of using airslake-coal to produce potassium fertilizer including humic acid was varied with different crops.
    因此,在利用风化煤生产含腐植酸钾肥时,应根据作物类型选择工艺路线。
  15. A new technology to recover potassium carbonate from the wastes of triazolone andmultipIe-effect azole production by exchange method is introduced.
    介绍了用离子交换法从生产农药三唑酮、多效唑的废渣中回收碳酸钾的新工艺。
  16. Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
    间苯氧基苯乙酮可由酚钾与间溴苯乙酮在醋酸铜催化下以高产率合成。
  17. METHODS Sodium tetraphenylboron gravimetric analysis was replaced by highly-accurate nephelometric titrimetry to determine potassium chloride in Compound sodium chloride injection.
    方法用高精度散射光度滴定法代替四苯硼钠重量法。
  18. It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.
    研究发现,在硫酸介质中,超痕量二甲基乙二醛肟能灵敏地加速溴酸钾氧化二甲基黄褪色的指示反应。
  19. Rhenate of ammonia, rhenate of potassium, oxide of calcium, oxide of molybdenum, rich-manganese slag, spiegeleisen(containing manganese), lime, lead sulfide, electrode paste.
    鳞酸铵、鳞酸钾、氧化钙、氧化钼、高炉富锰渣、镜铁(含锰)、白灰、硫化铅、电极糊。
  20. Diuril may cause a potassium deficit.,which may in turn cause relative alkalosis and result in a lowered blood brain barrier to ammonia.
    氯噻嗪可以引起缺钾,缺钾又可以引起相对性碱中毒,并引起氨的血脑屏障低下。

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原声例句
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And all that potassium, it relaxes your muscles.

而这些,可以放松你的肌肉。

双语版 TED-Ed 演讲精选

Even bananas contain trace amounts of a radioactive potassium isotope.

即使是香蕉都含有微量放射性同位素。

科学60秒-科学美国人 2020年6月合集

The chemical composition is actually potassium nitrate.

化学成分实际上是硝酸钾。

TED演讲(视频版)双语精选

It has a pore that passes potassium ions and calcium ions.

它有个开孔,能让钾离子和钙离子通过。

营养健康与癌症预防

Potassium chloride is sometimes used in commercial products.

有时,商业产品中会出现氯化钾。

福尔摩斯基本演绎法第二季

It's not subject to the postmortem potassium build-up.

那不受她死后含量升高的影响。

WIL生活启示录

And, apples are good source of potassium.

苹果中含有丰富的

加拿大剧拯救希望第一季

And high potassium levels causes heart problems.

而过高的浓度导致了心脏问题。

《舌尖上的中国》第一季

The potassium in the salt is good for health.

诺邓井盐中含钾利于健康。

加拿大剧拯救希望第一季

It wreaks havoc with potassium levels.

并且释放大量的钾来应对代谢混乱。

中文百科

拉丁语:Kalium,化学符号:K)是原子序数为19的化学元素,银白色有光泽的1A族碱金属元素,质软,和钠的化学性质相似但更活泼。

钾的熔点、硬度低,比钠更活泼,在空气中很快氧化。钾的密度小于水,大于煤油。钾和水会产生剧烈反应(产生高温使自己熔成一个银白色的球,释放大量氢,使金属球在水面高速移动,氢气燃烧,可以看到紫蓝色的火焰)生成氢氧化钾。钾可以和卤族、氧族元素反应,还可以使其他金属的盐类还原(熔融状态下),对有机物有很强的还原作用。 容易与氧反应 在表面形成紫色的氧化钾

钾为爆炸性和易燃的物质,一般以汽油或煤油封存。

英语百科

Potassium 钾

The flame test of potassium.
Structure of solid potassium superoxide (KO2.
Potassium in feldspar

Potassium is a chemical element with symbol K (derived from Neo-Latin, kalium) and atomic number 19. It was first isolated from potash, the ashes of plants, from which its name is derived. In the Periodic table, potassium is one of seven elements in column (group) 1 (alkali metals). All elements in Group 1 have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge - a cation, which combines with anions to form salts. Potassium in nature occurs only in ionic salts. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction and burning with a lilac-colored flame. It is found dissolved in sea water (which is 0.04% potassium by weight), and is part of many minerals.

近义、反义、联想词
近义词
n.
metallic element, metal

联想词
sodium钠;calcium钙;magnesium镁;chloride氯化物;phosphorus磷;manganese锰;electrolytes电解质;boron硼;ammonium铵;electrolyte电解物;phosphate磷酸盐;
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更新时间:2025/6/18 13:10:18