英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

participatory    音标拼音: [p,ɑrt'ɪsəpət,ɔri]


安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Hydrogen selenide - Wikipedia
    Hydrogen selenide is an inorganic compound with the formula H 2 Se This hydrogen chalcogenide is the simplest and most commonly encountered hydride of selenium H 2 Se is a colorless, flammable gas under standard conditions
  • Hydroselenic Acid: Properties, Formula, and Safety Guide
    When students first ask what is hydroselenic acid, the simplest answer is that it is the acid form of the compound H2Se when it exists in water In other words, hydroselenic acid is an aqueous solution of hydrogen selenide that behaves as a corrosive, highly toxic acid
  • Hydrogen selenide | H2Se | CID 533 - PubChem
    Hydrogen selenide can be obtained either directly from the elements at ca 400 °C or by decomposition of the selenides of iron, magnesium, or aluminum with hydrochloric acid
  • Hydrogen selenide - Simple English Wikipedia, the free encyclopedia
    Hydrogen selenide, also known as hydroselenic acid, selenium hydride, or selane, is a chemical compound Its chemical formula is H 2 Se It is an acid It contains hydrogen and selenide ions Hydrogen selenide is a colorless gas that dissolves in water to make an acidic solution It smells like rotten horseradish It is very toxic
  • HYDROGEN SELENIDE | H2Se - ChemSpider
    Join us and our expert panellists on: June 23rd at 3 pm BST to discuss Chemical standards representation Register here for the webinar HSe ( )
  • PubChem
    Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
  • Hydroselenic acid | Article about Hydroselenic acid by The Free Dictionary
    Find out information about Hydroselenic acid H2Se A toxic, colorless gas, soluble in water, carbon disulfide, and phosgene; used to make metallic selenides and organoselenium compounds and in the
  • Hydrogen selenide - chemeurope. com
    Hydrogen selenide is H 2 Se, the simplest hydride of selenium H 2 Se is a colorless, flammable gas under standard conditions It is the most toxic selenium compound with an exposure limit: 0 3 ppm over an 8 hour period Sustainable All-in-One Solution: Safely store hazardous substances in just one cabinet
  • Hydrogen selenide - Academic Dictionaries and Encyclopedias
    hydrogen selenide — noun : a colorless flammable poisonous gas H2Se that has a disagreeable odor, resembles hydrogen sulfide, and is usually formed by the action of acids on selenides …
  • Hydroselenic Acid Formula: Chemical Properties Guide (H2Se)
    Learn the hydroselenic acid formula (H2Se), its molecular geometry, and chemical properties Explore toxicity and naming rules in this expert chemistry guide





中文字典-英文字典  2005-2009