氧

Among the two oxygen condition, after high intensity training, the function of hemopoiesis is restrained.

高、低强度的模拟HiLo对骨髓造血功能产生不同程度的影响，高强度、极限强度训练骨髓造血功能相对常氧受到显著抑制；在两氧环境下，高强度运动后即刻骨髓增殖活性受抑，而极限强度运动可在一定程度上刺激骨髓造血，休息40h后，模拟HiLo出现代偿性恢复。

B ides the tellurides mentioned above that are common in gold deposits, Te isalso seen in such rare minerals as hessite, Au2Te and, a variety of unnamed telluritesand tellurates that may be subdivided into Au-bearing and Au free minerals.

除上述碲化物外，碲在本矿床形成罕见的碲银矿、Au2Te和种类繁多的未名碲化物、碲酸盐等含氧盐，含氧盐进一步可分为含 Au、不含Au，包括 AuT。。。

B ides the tellurides mentioned above that are common in gold deposits, Te isalso seen in such rare minerals as hessite, Au2Te and, a variety of unnamed telluritesand tellurates that may be subdivided into Au-bearing and Au free minerals. Theformer includes AtteO3, Au2TeO4, AuTeO4; and the latter schieffinilite, Zn2Te3O8,H2Pb2Fe4[TeO4]9.7-12H2O that were found by the author and are yet to be furtherstudied for acceptance by IMA-CNMMN as potential new minerals.

除上述碲化物外，碲在本矿床形成罕见的碲银矿、Au2Te和种类繁多的未名碲化物、碲酸盐等含氧盐，含氧盐进一步可分为含 Au、不含Au，包括 AuTeO3、Au2TeO4、AuTeO4 等以及水硫碲铅石、Zn2Te3O8、H2Pb2Fe4［TeO4］9.7－12H2O等，后二种为待申报的新矿物。

Chloro-2-methyl-4-acetoxy-2-butene was treated with hexamethylenetetramine, followed by hydrolysis to yield 4-acetoxy-2-methyl-2-butenal, a key intermediate for vitamin A .

1-氯-2-甲基-4-乙酰氧基-2-丁烯与乌洛托品成盐后水解，得到合成维生素 A的重要中间体4-乙酰氧基-2-甲基-2-丁烯-1-醛，用微波辐射可促进水解，反应0.5h收率可达77%。

Among them, the antioxidant compounds can effectively remove free radicals and esters peroxygen compounds inside the body, and interdict the powerful cancerogenic substance N-ammonium nilrite compounds. It can not only greatly enhance the body's immunity, but also with effective functions in moisturizing the skin, anti-fatigue and anti-aging; the bamboo fiber contains the amino acid necessary for human body, having distinctive health-care functions on the skin; the bamboo cellulose, bamboo honey and pectin have the effects of moisturizing the skin and fighting fatigue. They can increase the body's microcirculating blood, activate the histiocyte, enable the body to produce heating effects, effectively regulate the nervous system and unclog the meridian; the bamboo fiber has no free electric charge, antistatic and relieves itching.

其中，抗氧-化合物能有效清除体内的自由基和酯-过氧化合物，阻断强致癌物质N一亚-酸氨化合物，不仅能显著提高机体免-能力，而且具有滋润皮肤和抗疲劳、-抗衰老的生物功效；竹纤维含有多种-体必需的氨基酸，对皮肤具有独特的-健功能；竹纤维素、竹密、果胶具有-滋润皮肤和抗疲劳的功效，能增加人-的微循环血流，激活组织细胞，使人-产生温热效应，能有效调节神经系统-，疏通经络；竹纤维不带自由电荷，-静电，止瘙痒。

New compounds of the type of N--N'-(2,4-dichlorophenyloxyacetyl)-semicarbazides were synthesized by a series of reactions of preparing organic isocyanates by Curtius rearrangement with 2,4- dichloro aryloxyacetic acid hydrazide using one-pot procedures.

以芳香取代酸为原料，用Curtius重排的方法合成异氰酸酯，直接与2，4-二氯苯氧乙酰肼作用，一锅法合成了4种N-取代芳基-N'-(2，4-二氯苯氧乙酰基)氨基脲类化合物。

Hydrogenases are key enzyme for bio-hydrogen production, most of them were rapidly inactivated by oxygen. It is important to bio-hydrogen production and hydrogen application that improve the O2-tolerance of hydrogenase.

氢酶是生物制氢的关键酶，大多数氢酶因对氧极敏感而易失活，因此提高氢酶的氧耐受性对生物制氢有重要意义。

In order to reduce CO_2 emission and energy consumption in a blast furnace,it is necessary to investigate the effects of some factors on direct reduction from wustiteto ironwith high oxygen enrichment and high injection of hydrogenous fuel,such as the composition and temperature of reducing gas mixture and the water-gas shift reaction .

为了减少高炉 CO_2排放和能源消耗，有必要考察在高富氧或全氧鼓风高炉大喷含氢燃料条件下，混合气体成分、温度及水煤气置换反应等因素对烧结矿浮氏体 FeO_1。

Methods ①Intermittent and high flux inhalation of oxygen humidified by 50%alcohol;②Aerosol inhalation of silicon oil to the patientwith significant symptom of lung;③Intro venous injection of Methylene blue and Vitamine C according to the cyanosis;④Intro venousinjection of half dosage cedilanid to the patient with high heart rate;⑤10～ 20 milligram furosemide intro venous injection;⑥The key point iscombine and high dosage using hyoscyamine and dexamethason during the treatment and to apply respirator to the patient those who have respi-ratory failure or hypoxemia.

方法①间断高流量吸氧，同时湿化吸入50％的酒精抗泡；②肺部体征明显者雾化吸入二甲基硅油；③根据病人紫绀情况分别给予美兰或维生素C静推；④心率快者用半量西地兰静推；⑤用速尿10～20mg静推；⑥关键性治疗为莨菪碱联用地塞米松冲击疗法，遇呼衰、低氧血症者，同时使用呼吸机等。

Objective To explore the effects of hypoxia on the environment of spermatogenesis in rat.

目的 通过研究低氧对大鼠睾丸中部分生化指标的影响，探讨低氧对精子发生局部环境的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。