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:

platina    
n. 白金;铂

白金;铂

Platina \Plat"i*na\, n. [Sp. or NL. See {Platinum}.] (Chem.)
Platinum.
[1913 Webster]

{Platina mohr}, platinum black.

{Platina yellow}, a pigment prepared from platinum.
[1913 Webster]


Platinum \Plat"i*num\, n. [NL., fr. Sp. platina, from plata
silver, LL. plata a thin plate of metal. See {Plate}, and cf.
{Platina}.] (Chem.)
A metallic element of atomic number 78, one of the noble
metals, classed with silver and gold as a precious metal,
occurring native or alloyed with other metals and also as the
platinum arsenide (sperrylite). It is a heavy tin-white metal
which is ductile and malleable, but very infusible (melting
point 1772[deg] C), and characterized by its resistance to
strong chemical reagents. It is used for crucibles in
laboratory operations, as a catalyst, in jewelry, for stills
for sulphuric acid, rarely for coin, and in the form of foil
and wire for many purposes. Specific gravity 21.5. Atomic
weight 195.1. Symbol Pt. Formerly called {platina}.
[1913 Webster PJC]

{Platinum black} (Chem.), a soft, dull black powder,
consisting of finely divided metallic platinum obtained by
reduction and precipitation from its solutions. It absorbs
oxygen to a high degree, and is employed as an oxidizer.


{Platinum lamp} (Elec.), a kind of incandescent lamp of which
the luminous medium is platinum. See under {Incandescent}.


{Platinum metals} (Chem.), the group of metallic elements
which in their chemical and physical properties resemble
platinum. These consist of the light platinum group, viz.,
rhodium, ruthenium, and palladium, whose specific
gravities are about 12; and the heavy platinum group,
viz., osmium, iridium, and platinum, whose specific
gravities are over 21.

{Platinum sponge} (Chem.), metallic platinum in a gray,
porous, spongy form, obtained by reducing the double
chloride of platinum and ammonium. It absorbs oxygen,
hydrogen, and certain other gases, to a high degree, and
is employed as an agent in oxidizing.
[1913 Webster]


请选择你想看的字典辞典:
单词字典翻译
Platina查看 Platina 在百度字典中的解释百度英翻中〔查看〕
Platina查看 Platina 在Google字典中的解释Google英翻中〔查看〕
Platina查看 Platina 在Yahoo字典中的解释Yahoo英翻中〔查看〕





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:


  • Sears Credit Card Login Instructions Credentials - WalletHub
    From the login page on the Sears Credit Card website or its mobile app for iOS or Android, fill out the User ID and Password fields using your new credentials, and click “Sign On” to access your account
  • Shop Your Way
    Earn rewards while you shop with Shop Your Way, a re-imagined platform that offers more benefits and opportunities for customers
  • Find Answers - Sams Club
    Search the Help Center 0 results for sears credit wedding card Check the spelling Try a more general search word Try fewer search words Try different search words
  • How to Talk to Sears Credit Card Customer Service - WalletHub
    To talk to Sears Credit Card customer service, call 1-800-669-8488 and then enter the last four digits of your card number or your Social Security number (SSN) and you will then hear a brief summary of your account You can say skip at any time to bypass the account summary
  • How to Redeem Shop Your Way Points: A Guide for Maximizing Big Rewards . . .
    Discover how to redeem Shop Your Way points for rewards and tackle common issues like missing points and login problems Maximize your benefits now!
  • Find Answers - Sams Club
    Search the Help Center 5 results for sams club credit card login Help with Scan Go Updated Troubleshooting for common errors that you may encounter when using the Sam's Club Scan Go app Included are login, scanning, membership-related and checkout errors as well as an FAQ Date Updated: 05 28 2026
  • How Sears Credit Card Rewards Work - WalletHub
    Sears Credit Card rewards work by giving cardholders 10 - 50 points per $1 spent Cardholders can then redeem these rewards for Sears purchases through your online account or by visiting store Those are the basics, but there are a few other things to know about how Sears Credit Card rewards work before you start earning and redeeming
  • How Sears Rewards was powered by Shop Your Way
    Explore the history of Shop Your Way, Sears Rewards, and the modern everyday loyalty program, that offers rewards for qualifying online and in-store purchases
  • Find Answers - Sams Club
    Credit card support How do I check my credit card balance? Options to pay Sam's Club Credit Consumer Credit benefits
  • Sears Credit Card Reviews: Is It Worth It? (2026) - WalletHub
    The Sears Credit Card is a good credit card to consider if you have a credit score of 700 or higher and you want to earn bonus rewards on gas, groceries, dining at restaurants, and purchases from Sears and Kmart The card is worth getting because its rewards can save you money, and there is no annual fee





中文字典-英文字典  2005-2009