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制冷管道安裝注意事項

在冷庫制冷系統中，一般均采用氨作爲制冷劑，輸送制冷劑管道在安裝時，應注意如下事項：（1）氨制冷管道，應采用無縫鋼管。（2）安裝前應認真檢查管材，不得有裂紋、砂眼和嚴重鏽蝕等缺陷……
DATE： 2015 05月04日

新風管道的安裝與驗收標准

新風管道的安裝標准：1、查看圖紙，按照設計圖紙，確定風管的走向，現場與圖紙不符的，施工方須經過我方同意後方可施工，並附有報告材料。
DATE： 2015 05月04日

輸氣站管道設計的要點

輸氣站主要工藝設施應設放空設施，放空氣體應經放空豎管排入大氣。輸氣站放空豎管應設在圍牆外，距圍牆不應小于10m，高度應比附近建、構築物高出2m及以上，且總高度不應小于10m；
DATE： 2015 05月04日

管道安裝工作進行時需要注意的事項

管道安裝工作對于進行室內裝修工作十分重要，在進行這項工作的時候需要注意的事項比較多，主要注意一下幾點，從而很好的保證這項工作的順利進行。
DATE： 2015 05月04日

燃油鍋爐管道、閥門及壓力表的安裝

壓力表安裝前送計量部門進行檢驗合格並加鉛封，且在刻度盤上劃出紅線，指示出工作壓力，並應安裝在易于觀察、吹洗的位置，且避免震動和高溫的影響，壓力表的使用有效期由驗表合格日起爲期半年。
DATE： 2015 05月04日

儀表管道的安裝要求

儀表管道埋地敷設時，應經試壓合格和防腐處理後方可埋入。直接埋地的管道連接時必須采用焊接，在穿過道路及進出地面處應加保護套管。不鏽鋼管固定時，不應與碳鋼材料直接接觸。
DATE： 2015 05月04日

壓力容器的應用

壓力容器早期主要用于化學工業，壓力多在10兆帕以下。合成氨和高壓聚乙烯等高壓生産工藝出現後，要求壓力容器的壓力達100兆帕以上。
DATE： 2015 04月24日

化工設備安裝的注意事項

化工設備的廣義理解即有物理或化學反應的容器，通過對容器的結構設計與參數配置，實現工藝要求的加熱、蒸發、冷卻及低高速的混配功能。那麽在化工設備安裝的過程中，需要注意些什麽呢？
DATE： 2015 04月24日

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"It became necessary to fire on the mutineers, and for this we raised the tarpaulins over one of the hatches. The smoke poured out in a dense mass and almost smothered us, and we could only see the forms of the men very dimly, like a ship in a fog. We fired, and continued to fire till[Pg 397] several of them had been shot down, and all their efforts to get at us were of no avail. There were about sixty men in the crew, and, as we had over a thousand coolies on board, we had numbers against us fearfully. But they had no fire-arms, while we had a good supply of rifles and pistols, with plenty of ammunition. At the time of the outbreak there were not far from a hundred coolies on deck; but we drove them forward, and kept so large a guard over them that they could not have done anything to help their friends below if they had been disposed to do so. XXV A QUIET RIDE One night the fellows gave a dance in Brookhaven. We went in two wagons and by the light of mounted torch-bearers, and Charlotte and Ferry stood at the dooryard gate and sent after us their mirthful warnings and good-byes. It set some of us a-hoping--to see them there--a dooryard gate means so much. We fairly prayed he might compel her decision before she should turn to re-enter the house. But the following morning it was evident we had prayed in vain. "No. You see, the makers kept all the women because they were more real, and they didn't want the fighting to go on, or the world that the men wanted. So the makers took the women away from us and shut us up in the clocks and gave us the world we wanted. But they left us no loophole of escape into the real world, and we can neither laugh nor cry properly." III. lots of studying, lots of packing, and the outdoor world so lovely “Easy to fool you on that,” Jeff declared. “It’s been disconnected. I wouldn’t be surprised if that-there tank wasn’t nearly half full. They had it all fixed and ready——” She stood by the mound for a little while thinking of him, of how well he had lived and died, true to his standard of duty, absolutely true, but lacking after all that spirit of love without which our actions profit so little and die with our death. She had a clearer realization of it than ever before. It came to her that Charles Cairness's life, wandering, aimless, disjointed as it was, and her own, though it fell far below even her own not impossibly high ideals, were to more purpose, had in them more of the vital force of creation, were less wasted, than his had been. To have known no enthusiasms—which are but love, in one form or another—is to have failed to give that impulse to the course of events which every man born into the world should hold himself bound to give, as the human debt to the Eternal. "Hey, Taters, come lend me a spit. I'se got a' army contrack." "Shorty!" ejaculated Si, joyfully, but still in a whisper. "I thought I knowed your voice. Where in the world did you come from?" Shorty, whose face had been scratched by a bullet, took little Pete by the hand. "Now, run for it, my boy, as you never run before in your life. Hold on to your gun." She did not speak. Sometimes he would expostulate with her, and when[Pg 266] she met his expostulations with blandishments, he would feel himself yielding, and grow so furious that he would turn upon her in rage and indignation. Rose was not like Naomi; in her own words "she gave as good as she got," and once or twice, for the first time in his life, Reuben found himself in loud and vulgar altercation with a female. He had never before had a woman stand up to him, and the experience was humiliating. Calverley stept from the shadow of the cliff, and beheld a meteor in the sky, brightening and expanding, as the clouds opened, until it assumed the appearance of a brilliant star, of astonishing magnitude, encircled by dazzling rays, which, in a singular manner, were all inclined in one direction, and pointing to that part of the horizon where lay the rival of England—France. "Prepare yourself then, lady," said Sir Robert, and he resumed his seat. HoME 大连少妇10PENTER NUMBET 008m0gv9xs.com.cn
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