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oxygen造句
91. Sulphide ores tend to oxidise in aerobic conditions, consuming oxygen and releasing carbon dioxide. 92. Laybourne essentially bet the young life of Oxygen on this decision. 93. In a cabin soaked in pure oxygen at greater than atmospheric pressure for five hours, almost anything bums. 94. Beneficial anaerobic filter bacteria require oxygen to oxidise nitrites to safer nitrates. 95. Its presence warns us that unfamiliar types of ore-formation processes may operate on the Moon in the absence of oxygen and water. 96. Sulphur hexafluoride itself is harmless except in a confined space, where it displaces oxygen and can asphyxiate people. 97. Other organs, although vital in their own way, can not survive without a blood supply rich in oxygen and nutrients. 98. A few minutes of rest, and he recovered his oxygen level, although something within felt attenuated. 99. With energy supplied by sunlight, some water vapor in the upper atmosphere may have broken down to hydrogen and oxygen. 100. Oxygen is absorbed into the water by surface movement, where a gaseous exchange takes place releasing carbon dioxide and absorbing oxygen. 101. Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases. 102. More water has been destroyed by ultraviolet sunlight, torn apart into oxygen and hydrogen. 103. The temporary rise in blood pressure increases the oxygen requirements and creates an extra burden on the heart. 104. Soon she was barely able to walk and she had oxygen cylinders fitted in her bedroom. 105. The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups. 106. Usually the same amount of heat is absorbed in the reverse reaction, when the oxygen is released by the haemoglobin. 107. The same device, run backwards, reacts hydrogen and oxygen together to make water and generate electrical power. 108. Is there a molecule that weighs the same as an oxygen atom? 109. Clostridium bacteria can grow only in the complete absence of oxygen, so they have been found in contaminated cans of food. 110. Oxygen and specialized breathing equipment are delivered at home to patients with asthma, emphysema, sleep apnea and other breathing disorders. 111. Next, the death-defying act from the stewardesses, those bashful girls and their oxygen mine. 112. They have no gills, but obtain their oxygen by absorbing it through the skin of their body and greatly enlarged tails. 113. To achieve a balance of oxygen and carbon dioxide, one human needed 8 square metres of exposed Chlorella. 114. Such control requires that the oxygen concentration in the blood be accurately measured, and that breathing rate be adjusted accordingly. 115. It is formed when the sun's ultraviolet radiation breaks up the two atoms of oxygen molecules into single atoms. 116. For example, one molecule of oxygen contains two atoms of oxygen. 117. Animals and human volunteers will be maintained at various atmospheric pressures and oxygen concentrations while their biochemistry is monitored. 118. The red blood cell is finally a small bag containing haemoglobin molecules for transporting oxygen. 119. Without oxygen animal life on earth would not be possible. 120. A separate oxygen analyser directly below screen checks oxygen levels and cuts off other gases if supply fails.