久久亚洲国产成人影院-久久亚洲国产的中文-久久亚洲国产高清-久久亚洲国产精品-亚洲图片偷拍自拍-亚洲图色视频

您現在的位置: Language Tips> Easy English> Odd Question  
 





 
“干冰”是什么
[ 2007-12-14 17:17 ]

干冰是固態的二氧化碳,由于干冰的溫度非常低,溫度為攝氏負78.5度,因此經常用于保持物體冷凍或低溫狀態。因為它融化時是由固態直接升華為氣態,不會產生任何水或液體,我們稱它做“干冰”。

"Dry Ice," the trademark name forsolid carbon dioxide, reaches its solid state when cooled liquid carbon dioxide is put under pressure.

Scientists successfully produced the snowy, white solid, which produced temperatures dipping as low as 109 degrees Fahrenheit, and envisioned dozens of practical uses for "Dry Ice." Unfortunately, they had yet to discover how to keep this solid from melting back into its original liquid state.

Fortunately, the solution to the scientists' dilemma, which possibly dawned on them over cocktails at happy hour, lay in the fact that when "Dry Ice" mixes with liquids having very low freezing temperatures, for example alcohol, instead of melting, the solid turns into gas. Because the gas escapes into the air, it packs more refrigeration power than an identical amount of ice made from water.

The primary use for "Dry Ice," both then and today, is to keepperishablesfresh, especially during shipment. Solid carbon dioxide made its debut as the packing material of choice for ice cream.

Today, products such as fish and meat can be shipped thousands of miles, and arrive at their destinations. Eggs can remain fresh indefinitely if refrigerated with solid carbon dioxide, as the primary reason they grow stale is the escape of carbon dioxide from tiny pores in their shells. When enveloped by the vapor from the gas solid carbon dioxide emits, the escape of carbon dioxide from their shells iscancelled out.

Even florists take advantage of the preservative property of "Dry Ice," and can prevent flower buds from opening for up to three days by placing them in a solid carbon dioxide atmosphere. Essentially, "Dry Ice" temporarily freezes the aging process to suit our purposes.

solid carbon dioxide: 固體二氧化碳

perishable: 容易腐爛的東西

cancel out: 抵償

(來源:coolquiz.com 英語點津 Annabel 編輯)

我想了解更多趣味百科知識
 
 
相關文章 Related Stories
 
 
 

本頻道最新推薦

     
  “干冰”是什么
  為什么下雪時天氣暖
  You are the smartest fish I've ever seen!
  Dog burger
  為什么老了脾氣好

論壇熱貼

     
  開個題目大家扯:hotel & restaurant
  追求某人
  請教工商年檢如何翻譯
  How to translate “中國老字號”into English?
  "港股直通車"怎么翻譯?
  兩免一補怎么說?




主站蜘蛛池模板: 一级不卡毛片免费 | 做爰成人五级在线视频| 亚洲综合成人在线 | 欧美日韩一本 | 欧美性猛交xxx免费看人妖 | 国产一区二区三区成人久久片 | 国产9191精品免费观看 | 日本一区毛片免费观看 | 国产午夜免费不卡精品理论片 | 免费嗨片 | 久久er热视频在这里精品 | 欧美一级性视频 | 99re66热这里只有精品免费观看 | 亚洲欧美综合一区二区三区四区 | 亚洲精品视频网 | 国产成人综合欧美精品久久 | 97在线播放 | 欧美一级大尺度毛片 | 久久99精品视免费看 | 国产精品一区二区三区高清在线 | h亚洲| 三级黄色高清视频 | 亚洲第一页在线视频 | 国产精品久久久久久久y | 日本在线看小视频网址 | 久久zyz| 在线观看国内自拍 | 精品国产香蕉伊思人在线 | 日韩在线手机看片免费看 | 欧美精品另类 | 男女乱淫真视频免费观看 | 深夜福利网站在线观看 | 日本一区二区三区四区公司 | 琪琪午夜伦埋大全影院 | 欧美视频久久 | 一个人免费看的www 一及 片日本 | 国产精品久久久久一区二区三区 | 日韩欧美一区二区不卡看片 | 国产精品高清在线观看地址 | 国产三级日本三级在线播放 | 她也啪97在线视频 |