The common requirements for catalyst materials in methane combustion and automotive exhaust purification are higher low-temperature activity and high-temperature stability.
催化燃烧与汽车尾气净化反应对催化剂的共同要求是具有良好的低温活性和高温热稳定性。
Sleeping longer than you need to will weaken your sleep system, as you reduce your prior wakefulness, exposure to sunlight, activity levels, and your body temperature at a low for too long.
睡得比你所需应该睡的时间长了会减弱你的睡眠系统，当你降低了你先前的觉醒度，暴露于阳光中，你的活动水平和你的身体体温都处于低水平太久。
Effect of the key enzymes activity and the genes expression involved in the fiber development on the fiber strength formation in low temperature condition.
低温下棉纤维发育关键酶活性及其表达对棉纤维比强度形成的影响。
High and low temperatures were used by turns in mice for studying the influence of temperature on ANAE activity and its staining patterns.
本文观察了在不同气温下生活的小鼠周边血淋巴细胞ANAE活性及其类型的变化。
Low temperature obviously decreased the activity of CAT.
低温处理明显降低了叶片CAT活性。
The main disastrous weather which affected the travel activity was strong wind, strong rainfall(snow), heavy mist, extremely low air temperature, thunder and lightning, hail and so on.
影响长白山旅游活动的主要灾害性天气有大风、强降雨（雪）、大雾、极端最低气温、雷电冰雹等。
The Marine low temperature alkaline proteinase is made by enzyme engineering technology. It is mainly used as detergent and has very high activity at room temperature.
利用酶工程技术制得的海洋低温碱性蛋白酶，主要用于加酶的洗涤剂，在室温下有较高的酶活力。
High fibrinolytic activity win be maintained under low temperature and natural dry condition.
在低温条件下自然干燥能保持较高的纤溶活性。
By the way of factorial experiment, authors studied the activity of kaolinite calcined under the condition of low temperature.
利用析因实验方法，对低温煅烧的高岭土因受热的差异而对其活性所造成的影响进行了试验研究。
During fracturing of low-temperature, shallow oil and gas reservoirs, it is difficult to break viscosity because of low activity of convention viscosity breaker at low temperature.
低温浅层油气井的压裂，常由于低温下常规破胶剂活性太低而破胶困难。
The results of non-isothermal sintering tests suggested that LSCF powder possessed good low-temperature sintering activity.
非等温烧结实验表明该粉体具有良好的低温烧结活性。
The results indicated that the RJW-1 catalyst has a high activity for the saturation of polyaromatics at low temperature and a low cracking capability and good stability.
该催化剂在较低的反应温度下，具有高的饱和稠环芳烃的能力和较小的裂解性能。
As high temperature and high alkaline bleaching process, heat, alkali and low cellulase activity of xylanase is the first choice of xylanases for biobleaching .
考虑到现有漂白处理工艺的高温高碱条件，耐热、耐碱和低纤维素酶活的木聚糖酶成为生物漂白用木聚糖酶的首选。
Therefore, based on our iron titanate catalyst, we can also substitute partial Fe by other elements to adjust its physicochemical properties, expecting to enhance the low temperature SCR activity.
因此，我们的铁钛催化剂的基础，我们也可以通过其他元素代替部分铁调整其理化性质，期望提高低温可控硅活动。
Under low temperature, the activity and selectivity of resin are excellent, but stability is a little bad;
醚化过程中树脂催化剂低温时活性选择性好，但耐热性能不好；
The Marine low-temperature alkaline proteinase with very high activity was made at room temperature by enzyme engineering technology.
应用酶工程技术，得到在室温下有较高酶活力的海洋低温碱性蛋白酶。
Synthesis process of self-catalyzed short-oil alkyd resin with high activity and the performance of low temperature-cured quick-dried amino enamel formulated from alkyd resin are introduced.
介绍了短油度自催化高活性醇酸树脂的合成工艺和由它制备的低温快干氨基磁漆的性能。
And the electric conductivity of various temperature has been investigated, so that the activity energy is known as minus value with electric ion low dealt with.
还从研究不同温度下的电导而求得活化能，发现为负值，从中讨论了离子跃迁规律。
And the electric conductivity of various temperature has been investigated, so that the activity energy is known as minus value with electric ion low dealt with.
还从研究不同温度下的电导而求得活化能，发现为负值，从中讨论了离子跃迁规律。
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