氧化过程

Finally the mechanisms and factors of decarburization of WC particles in spraying were explor...

结果表明：纳米结构WC-12Co涂层结构致密，孔隙率低，与基体结合状态良好；纳米粉末在喷涂过程中比微米粉末氧化失碳严重，并发生了不同的纳米晶粒的长大；纳米粉末在喷涂过程中的氧化脱碳程度不仅与喷涂工艺有关，还在很大程度上取决于粉末本身的结构特性。

With potassium ferricyanide as electron transfer mediator,glucose oxidasewere immobilized on a screen-printed carbon electrode by direct absorption.

探讨了氧化酶固定化过程中氧化酶含量、铁氰化钾含量、缓冲液类型以及干燥过程对传感器保存稳定性的影响。

The oxidation of grinding medium caused by local cell and galvanic coupling had negative influence on the floatability of sulfide minerals due to oxidated products decomposition.

磨矿介质在磨矿过程中形成的局部电池或与硫化矿物之间形成的迦伐尼电偶都会造成钢球的自身氧化，氧化产物在硫化矿物表面的覆盖会在一定程度上恶化浮选过程。

In order to learn variation of protection enzyme system and mechanism of seedling growth and differentiation during tissue culture of Liriodendron chinense, variation of CAT, IAA oxidase and PPO activities was researched during tissue culture of shoot tip in wild Liriodendron chinense in Emei Mountain.

探讨了峨眉山野生鹅掌楸茎尖组织培养再生过程中过氧化氢酶、吲哚乙酸氧化酶、多酚氧化酶活性的变化，以了解鹅掌楸组培再生过程中保护酶系统的变化与组培苗生长分化的机制。

Experimental study of high temperature phase transformation for pyrophyllite

利用场发射扫描电镜表征了Zr-Co粉体的形貌特征和烧结后的陶瓷薄膜结构，热重分析了Zr-Co粉体烧结过程的失重和相转变吸放热过程，X射线衍射分析跟踪了不同温度段烧结体系的组成变化趋势，在此基础上对粉体烧结后陶瓷薄膜的防氧化效果进行了分析，结果表明：温度对粉体的颗粒形貌和晶相结构有较大的影响，高温烧结的粉体性质稳定，经过1200℃烧结后的陶瓷膜层具有很好的致密性，具有很好的防氧化效果。

(1) Oxidative/antioxidative reactions, inflammatory reactions, apoptosis in lung are involved in the pathogenesis of HILI;(2) ABX, rHuEPO have protective effects on HILI respectively;(3) Hyperoxia can increase VILI in rats, but has little effects with low tidal volume mechanical ventilation.

结论(1)氧化抗氧化失衡，炎症反应，肺内细胞凋亡参与了高氧所致成年大鼠肺损伤的过程；(2)ABX通过抗炎、抗氧化、抑制细胞凋亡作用对成年大鼠高氧肺损伤具有保护作用；rHuEPO通过抗炎、抗氧化、抑制细胞凋亡及一定程度的抗纤维化作用对成年大鼠高氧肺损伤具有保护作用；(3)高浓度氧能明显加重大鼠通气机所致肺损伤，而高浓度氧对小潮气量通气影响较小。

Zirconia/graphite compound mold core was prepared by the coating, in which the silicon sol was used as binder and zirconia was used as refractory materials. The application feasibility of metal particles as a coolant in the solidification process was studied, and the application of metal particles as subsidiary coolant in the liquid metal cooling of directional solidification were analyzed and studied in this investigation. The conclusions can be drawn as follows: 1 The zireonia/graphite compound cores fabricated by brushing coating which was prepared by making silicon sol agglutinated zirconia as a refractory material were casteded at 800℃and 1000℃respectively, and the results show that the strength of the mold core is strong enough to meet the requirement of practical casting.

本文研究了以硅溶胶为粘结剂，氧化锆为耐火材料来制备氧化锆／石墨复合型芯的制备工艺；并分析了金属颗粒作为冷却剂在金属凝固过程中应用的可行性、金属颗粒的冷却能力以及金属颗粒作为辅助冷却剂在定向凝固的液态金属冷却法中的应用，得出以下结论：(1)以硅溶胶为粘结剂，氧化锆为耐火材料来配制涂料，采用刷涂石墨型芯的方法来制备的氧化锆／石墨复合型芯经800℃和1000℃实际浇铸实验，结果证明型芯的强度足够满足实际浇铸要求。

During the researching of coagulation of fieshly formed manganese dioxide, it is found that the freshly formed manganese dioxide has more strong function of coagulation and filtration than the same dosage of ferric chloride at the lower dosage condition. With dynamic monitor of the coagulation process of freshly formed manganese dioxide, comparing with ferric chloride, the floccules formed speed of coagulation by freshly formed manganese dioxide is rapid, the size is big, the sediment speed swift.

在研究新生态二氧化锰混凝作用中，作者发现在低剂量条件下，与等当量的三氯化铁混凝剂相比，新生态二氧化锰具有更强的混凝、除浊和助滤效能；并且通过对新生态二氧化锰絮凝过程的动态监测，发现新生态二氧化锰与三氯化铁相比，混凝生成絮体颗粒速度更迅速，颗粒尺寸更大，沉速更快。

The results show that the rate of heating decreases due to the growth of oxidation layer in soaking process when the thermal resistance between gas and slab increases. The quantity of loss of iron scale increases with the increase of the coefficient of air consumption under the condition of certain soaking temperature. When the coefficient of air consumption is certain, the quantity of loss of iron scale increases with the increase of soaking temperature rapidly. The results of numerical simulation is consistent with experimental ones, and the error is very small within the range of soaking temperature in CSP line.

研究结果表明：在加热过程中生成的氧化层增大了换热热阻，使钢坯的加热速度减小；钢坯氧化烧损量随加热速度的增大而减小；当达到同一特定的均热温度时，钢坯氧化烧损量随空气消耗系数的增大近似呈线性递增；当空气消耗系数一定时，钢坯氧化烧损量随均热温度的提高而急剧增加；数值计算结果与实验结果变化趋势一致，并在CSP均热温度范围内较吻合。

The results show that the increasing weight of tungsten oxide nanopowders and the color of tungsten nanomaterials turns light yellow from dark blue and black by increasing oxygen partial pressure in blown gas; the decreasing weight of tungsten oxide nanopowders and the color of tungsten oxide nanopowders becomes dark blue by the plasma that compares row increase including the hydrogen.The tungsten oxide nanomrods was increasing with chamber pressures. Urged nanoparticles to have the clavate fusion phenomenon in the development process with increasing plasma currents, and increased the nanorods distribution quantity along with the generated time to be more, 12 minutes later presents all nanorods. This system to prepare a monoclinic crystal W18O49 nanorods successfully, each hourly output approximately is 0.33 gram, and monoclinic crystal WO3 tungsten oxide nanoparticles, each hourly output approximately is 5.77 grams, its growth mechanism is Vapor-Solid solidly the physiognomy explanation.

研究结果显示，随著氧分压增加时，氧化钨材料呈现重量增加趋势，其颜色从黑色至深蓝色转为淡黄色；随著电浆气中含氢气比列的增加，氧化钨材料呈现重量减少，其颜色从淡黄色至深蓝色转为黑色；针对於氧化钨奈米棒而言随了腔体压力增加，奈米棒的数量也会随之增加，而电浆电流的提高，促使奈米颗粒在成长过程中有了棒状熔合现象，且随了生成时间的增加奈米棒分布数量越多，直到12分钟后呈现出多是奈米棒；本制程在适当制程条件下成功制备出单斜晶体W18O49奈米棒，每小时产量约为0.33 公克，与单斜晶体WO3氧化钨奈米颗粒，每小时产量约为5.77公克，其成长机制可透过气-固（Vapor-Solid， VS）相法解释。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。