色色新妈妈电影

産品目錄 CATALOG

技術文章 當前位置：首頁 > 技術文章 > 詳細內容

煤灰熔融性的測定

发布时间：2012-02-24 点击次数：1538次

煤灰熔融性的測定方法根据实验结果表示方法的不同，可分为熔融曲线法和熔点法；根据所用试料形状的不同，分为角锥法和柱体法。由于柱体法（试料为立方体或圆柱体）的试料尺寸较小，往往要使用专门的仪器—热显微镜，所以通常都称为热显微镜法。目前各国标准多采用熔点法（包括角锥法和柱体法）。

煤灰熔融性主要取決于他們的化學組成。但是，由于煤灰中總含有一定量的鐵，它在不同的氣體介質中（氧化性或還原性）將以不同的價態出現。因此煤灰的熔融性除了取決它的化學組成外，試驗氣氛的氧化—還原性也是一個及重要的影響因素，煤灰中含鐵量越高，其影響越顯著。

煤灰熔融性的測定方法：将煤灰制成一定尺寸的三角锥，在一定的气体介质中，以一定的升温速度加热，观察灰锥在受热过程中的形态变化，观察并记录变形温度、软化温度、半球温度和流动温度4個特征熔融溫度。

試劑和材料：

1、氧化鎂 2、糊精 3、高碳物質 4、參比灰 5、二氧化碳 6、氫氣或一氧化碳 7、剛玉舟 8、灰錐托盤

儀器和設備：

1、高溫爐；2、鉑铑—鉑熱電偶及高溫計；3、灰錐模子；4、灰錐托板模；5、常量氣體分析器

經營産品

聯系我們

地址：金山工業園區淇山南路85號
電話：0392-2643677
郵箱：htyq@hbhtyq.com
傳真：0392-3253111
郵編：458030

鶴壁市華通分析儀器有限公司管理後台 GoogleSitemap

豫公网安备 41061102000020号

備案號：豫ICP備08104875號-4

聯系人：龍經理
13939283560

The great ship steamed onward, day after day and night after night. There was no storm to break the monotony; no sail showed itself on the horizon; no one left the steamer, and no new-comers appeared; nobody saw fit to quarrel with any one else; and there was not a passenger who showed a disposition to quarrel with his surroundings. Stories were told and songs were sung, to while away the time; and, finally, on the twentieth day, the captain announced that they were approaching land, and the voyage would soon be over. "I could go on with a long account of the tortures in China, but they are not very pleasant reading, and, besides, some of them are too horrible for belief. I will stop with the torture known as 'the hot-water snake,' which consists of a coil of thin tubing of tin or pewter in the form of a serpent. One of these coils is twisted around each arm of the victim, and another around his body, in such a way that the head of the snake is higher than any other part. Then they pour boiling water into the mouth of the snake, and the flesh of the prisoner is burned and scalded in the most terrible manner. This punishment is said to be used rarely, and only[Pg 374] on persons accused of crimes against the government. It is too horrible to be popular, even among the most cold-blooded people in the world. "No, Lieutenant, she nearly cried. Oh, I wish we were on some dangerous errand to-night, instead of just camp and bed!" One glance at the dim mirror and Leona Lalage flew down the corridor. The music of the band was like the sound of mocking demons in her ears. As she flew up the stairs she could see the blank windows of the Corner House staring dreadfully in. Then she locked the door behind her and flung herself headlong down on the bed. . . . Surely they were a long time getting that hot water. In such a case as this hurry was everything. Bruce crept from the room and looked over the banisters. The whole place was in darkness! "Just a moment," Leona said eagerly. "Suppose I deny that. How are you going to prove that I did so?" It was weary work sitting there and pretending to drink, but patience has its reward at last. Gradually the shy swindlers became accustomed to the seedy shop assistant, who even went out of his way to give them hints as to credulous firms. It seemed to Prout that he knew all the gang at last save one. 162 "I told you to go," she repeated, raising her brows. "Come here, Shorty, you dirty little rascal," said the Deacon, assuming a severely maternal tone, at which Si laughed feebly but cheerily, "and let me wash your face and comb your hair." a-courtin', as you will know if ever you was a widower, and he "Could the gunner knock a man's head off, or one of his legs, just as he pleased?" "But—" "You can't go by yourself—he wudn't like it." "Not if we stick to the farm. Did you notice that ring on his little finger?" "Can't you mortgage?" HoME 色色新妈妈电影 ENTER NUMBET 001007574.com.cn
www.bcnyoga.org.cn
changhaomc.org.cn
www.dragonsoftware.cn
esunlink.com.cn
www.fugou.org.cn
www.gomarple.org.cn
lovaninc.org.cn
minzhong.org.cn
www.shoudishoubao.com.cn