The Element fire extinguisher uses a unique chemical process involving potassium salts. When activated, the extinguisher releases a jet of potassium powder that vaporizes in the environment. This vaporization process creates a cloud of potassium radicals (K⁺) and nitrogen gas (N₂).The potassium...
Well urea (and ammonia, for that matter) are excellent sources of nitrogen. Plants need nitrogen to grow, but dog urine contains too much, and too much nitrogen is bad – in the same way that too much of pretty much anything nice is bad for humans. It damages the blades of grass and...
Take chemistry for example. The scientist always uses symbols to represent elements (元素). He uses the first letter of the name,capitalized,as the symbol. For example,the symbol for hydrogen (氢) is H,for oxygen (氧)is O,for nitrogen(氮) is N. With such symbols,he can form the ...
The vegetal period uses the nitrogen fixation blue-green alga, the Azolla imbricata and the green duckweed and so on the original ecology biology seals the grass. [translate] aSo for the same transaction in the same accounting period,it’s required to the amount and the same debit andd ...
It has been found that new land cultivated for crops from centuries of desert growth of sagebrush, bitterbrush, cactus, and various grasses produces an exceptionally large and delectable first crop. Yet on the flip side, Idaho soil is woefully poor in nitrogen and phosphates. Both which have ...
we came up with glossary of science words that start with 'A' in this post. These interesting words collected from Chemistry, Biology, Zoology, Astronomy, etc.
a为。。感到难为情 For.。Feels embarrassed [translate] a追其原因是因为人们公德心确实还是什么呢 正在翻译,请等待... [translate] athe naphthalene being collected on a liquid nitrogen cooled probe. 正在翻译,请等待... [translate] a做早操有助于我们为新的一天做好准备 Makes the morning exercise to ...
A‘plague’ comes before the fall: lessons from Roman history thebulletin.org You live your life mostly in nitrogen – without even thinking about it sciencenorway.no Watch: Sony’s new microsurgery robot stitches up a corn kernel newatlas.com Older...
a工业生产排放到大气中的污染物种类繁多,有烟尘、硫的氧化物、氮的氧化物、有机化合物、卤化物、碳化合物等 The industrial production discharges in the atmosphere the pollutant type to be many, has the mist and dust, the sulfur oxide compound, the nitrogen oxide, the organic compound, the halogenide...
You need to make sure that carbon and nitrogen levels in your garden are at the right content. If you realize that your soil is not good, you can resolve to import. Adding a fresh top soil on your garden will change everything to your advantage. Ensure good drainage If you want to ...