oxygen 基本解釋
14. Application of Ethrel under 0?1% oxygen a...
氧分壓高到40?50%有一定的催熟作用。
15. Using Janis CCS-350 refrigerator (which lowest temperature is 10 K) to provide the low temperature environment, from room temperature to 200 K, then using the vacuum pump continuously to make the oxygen in the oxygen deficiency YBa2Cu3O7-x sample to redistribute.
利用Janis CCS-350制冷機(最低可達10 K)提供低溫環(huán)境，從室溫到200 K，利用真空泵持續(xù)抽取真空，使氧缺陷YBa2Cu3O7-x超導(dǎo)體中的氧重新分布。
16. The limit oxygen concentration and the limit gas velocity are critical index to evaluate the flammability of materials.
極限氧氣濃度和極限氣流速度兩個極限參數(shù)，是衡量材料可燃性的關(guān)鍵指標。
17. Due to the high concentration of oxygen inhalation can enhance the toxicity of paraquat, the oxygen, the oxygen concentration should not be too high so that the arterial partial pressure of oxygen can be reached 70mmHg.
由于高濃度氧吸入能增強百草枯的毒性作用，故氧療時，氧濃度不宜過高，使動脈血氧分壓達到70mmHg即可。
18. Using this system, oxygen uptake rate, carbon dioxide evolution rate, respiration quotient, dissolved oxygen and volumetric oxygen transfer coefficient can be simultaneously determined, the operations such as inoculation, sampling, feeding and so on may be on site carried out.
使用Y－Z型多功能搖瓶及在線參數(shù)檢測系統(tǒng)，可在線同時檢測攝氧率、二氧化碳釋放率、呼吸商、溶解氧、體積氧傳遞系數(shù)等搖瓶發(fā)酵過程的工程參數(shù)，并能實現(xiàn)在位接種、取樣、補料等操作，為搖瓶發(fā)酵的基礎(chǔ)研究提供了一種方便的實驗儀器系統(tǒng)。
19. One type of device has its threshold set by exposing the high-k dielectric to oxygen.
對于一種類型的器件，通過將所述高k介質(zhì)暴露到氧來設(shè)定其閾值。
20. Sum up all the above studies, some other conclusions are reached: the great part of kaolinites are formed before solidification (the oxygen, hydrogen isotope studies proved this tonstein is formed during a long term slow procedure of sedimentation and diagenesis; crystallization is the outcome of multi-peroid crystallization; the high temperature of diagenesis is between tens to about 150-160℃; organic diagenesis provided a suitable pH and Eh condition for tonstein.
最后得出結(jié)論：高嶺巖中的高嶺石在沉積-固結(jié)前已形成，氫、氧同位素的證據(jù)也證實了這一點；高嶺巖是沉積和成巖改造這樣一個緩慢過程中形成的，在成巖過程中純化；結(jié)晶作用是多期次的；經(jīng)歷的成巖最高溫度是幾十到一百五、六十度；有機質(zhì)的作用主要控制了有利于高嶺巖形成的酸堿度和氧化還原電位。
oxygen 詞典解釋
1. 氧；氧氣
Oxygen is a colourless gas that exists in large quantities in the air. All plants and animals need oxygen in order to live.
e.g. The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
人的大腦缺氧4分鐘后便會造成永久性損傷。
oxygen 單語例句
1. He was so cash strapped that he had to borrow money to buy oxygen for his welding equipment.
2. Investigators also have been examining whether a sudden decompression sucked oxygen out of the cabin and cockpit and rendered those on board unconscious.
3. An initial investigation showed the poisoning might be caused by nitrite, which can lead to deficiency in the amount of oxygen reaching human's body tissues.
4. The small canyon is a perfect place for scientific expedition and education, and also a natural oxygen bar and summer resort with lush vegetation.
5. The environmental protection index will include capital input in the areas of environmental protection, annual sulfur dioxide emission and chemical oxygen demand.
6. Appa said most climbers carry down garbage such as food packages, empty oxygen tanks and rope but leave behind human waste.
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7. The oxygen they released into the atmosphere allowed for more complex cellular structures to develop, and thus the eukaryotic cell was born.
8. They charge about 5 yuan for most injections or the use of an oxygen machine.
9. oxygen
9. Partial blockages can cause chest pain as the heart struggles to get by on less oxygen and nutrients than it needs.
10. Hot stones stimulate circulation and transport oxygen to tired and tense muscles, while the full body massage leaves you feeling tension free.
oxygen 英英釋義
noun
1. a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas
constitutes 21 percent of the atmosphere by volume
the most abundant element in the earth's crust
Synonym: O atomic number 8
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