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TG experiment of decomposition of magnesite powder was carried out on a thermal analyzer at heating rate of 5,10,20 and 30 K/min,and characteristic parameters of decomposition kinetics were calculated with Coats-Redfern equation.

在热分析仪上进行了菱镁矿粉的程序升温(5、10、15、20、30 K/min)热重动力学实验,用Coats-Red-fern积分法确定了动力学特征参数。

The technological parameters of the productive process of light magnesium oxide by ammonium bicarbonate-ammonia pyrogenation technology had been studied.

研究了碳酸氢铵氨水热解法制备轻质氧化镁的工艺条件,考察了原料Mg2+浓度、反应温度、Mg2+与NH3t当量比、NH3与NH4HCO3摩尔比和预氨化pH值对碱式碳酸镁的过滤性能、沉镁效率和碳酸氢铵消耗量的影响,并探讨了煅烧温度、煅烧时间、升温速度对轻质氧化镁视比容的影响。

Methods Fe3O4 magnetic nano-particles were prepared with a co-precipitation method, and their properties were investigated using transmission electron microscopy, photon correlation spectroscopy, X-ray diffraction, vibrating sample magnetometry, and Fourier transform infrared spectroscopy. The heating property was studied as well.

应用改良化学共沉淀法制备Fe3O4磁性纳米粒子,通过透射电镜、激光粒度仪、 X-射线粉末衍射仪、振动样品磁强计和傅立叶红外光谱仪等多种方法对所制备的Fe3O4磁性纳米粒子进行表征,并对其体外升温性能进行了考察。

The result indicate: The shelled peanut is boiled for 2 minutes in 92℃, peeled and dried by airing, fried with palm oil, sprinkled with a small amount of edible salt, then melt with 1.15kg white sugar and 200mL water, heat to about 100℃, added with 50g malt sugar, unceasingly heat 125℃, pour into 2kg fried peanut. The peoducts finish when sirup equably glues to peanut.

结果表明:花生仁在92℃水煮2min,脱皮晾干,用棕桐油炸熟,撒上少量的食用盐,然后用1.15kg的白砂糖和200mL水溶化升温至100℃,加入60g麦芽糖继续加热到125℃,倒入2kg炸好的花生仁,待糖浆均匀地裹在花生仁上即为成品。

The cis-9, trans-11-CLA was extracted with hexane-isopropanol,methylated with methanol-sodium methylate and cis-9,trans-11-CLA was separated and quantified using gas chromatography.

样品经正己烷-异丙醇提取、甲醇-甲醇钠甲酯化后,进行气相色谱分析;采用程序升温,以保留时间定性,外标法定量。

The conventional principle of prestress design of casing is huke law.That is the axial thermal stress under the minimal permissible on the basis of taking into account of three directions of thermal stress of the casing string during steam injection synthetically.

传统热采井套管预应力设计的基本原则是根据虎克定律,将施加于套管的预应力与套管升温后的轴向热应力叠加,使其控制在相应温度下套管许用的最小屈服极限以下。

Molybdenum carbide catalysts were prepared by temperature-programmed reaction using CH4/H2 gas mixture to carburize molybdenum trioxide at different temperatures, then were characterized with XRD and BET.

以MoO3为前躯体,CH4/H2为还原碳化气,采用自制的程序升温还原碳化反应装置制备出Mo2C催化剂,并用XRD、BET进行表征。

At a Moravian band meeting on Aldersgate Street (May 24, 1738), as he listened to a reading from Luther's preface to his commentary on Romans, Wesley felt his heart strangely warmed.

"在摩拉维亚波段会议上aldersgate街( 1738年5月24日),他听取了一读,从路德的序言中,他的评论,罗马,韦斯利认为他的"心脏奇怪的升温

For the overwarmth of English, we should attempt not only to make law to preserve the superior position of mother tongue and introduce language planning to improve the situation, but to theoretically strengthen the study and propaganda of the social mother tongue.

对於一些不正常的英语升温现象,不仅应从语言立法、语言规划层面上来纠正,还应从理论上加强对社会母语问题的研究与宣传。

In recent years The temperature rising in climate and continuous draught, together with the overgrazing and other unreasonable human activities, has resulted in serious eco-environment deterioration, less runoff, water and soil loss, more mudflow, pasture degeneration, land desertification, reduction of biological diversity, etc. This threatens the local agricultural and husbandry production and the people's living, and also restrains the social and economic development.

由于近年来气候升温、持续干旱,加上超载过牧及其他不合理的人类活动,导致生态环境严重恶化,径流量减少,水土流失、泥石流加重,草场退化、土地沙化,生物多样性减少等,使当地农牧业生产和人民生活受到威胁,制约了社会经济的发展。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。