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- The high temperature erosion of utility boiler tubes (water wall,superheater,reheater and economizer tubes)by fly ash is recognized as being one main cause of utility boiler tube failures. 水冷壁、過(guò)熱器、再熱器及省煤器管道的飛灰高溫沖蝕磨損是電站鍋爐管道失效的主要原因之一。
- At the end ,the paper built the mathematical simulation of CFB boiler water wall wear and some approximate calculations was done on water wall wear by making use of some related parameters. 最后本文就循環(huán)流化床鍋爐水冷壁磨損問(wèn)題建立了有關(guān)數學(xué)模型,并利用有關(guān)參數進(jìn)行了水冷壁磨損的近似計算。
- The paper mainly introduced quality analyses and control of water wall economizer of boiler heating surface in course of manufacturing,and the key process quality control method of boiler product. 介紹鍋爐受熱面膜式省煤器等產(chǎn)品在制造過(guò)程中內在質(zhì)量的分析與控制及鍋爐產(chǎn)品制造過(guò)程中關(guān)鍵工序質(zhì)量的控制方法。
- I come from Shanghai.Shanghai’s water is yellow;it's simply undrinkable. 我從上海來(lái)，上海的水簡(jiǎn)直就不能吃了，而且是黃的。
- Conclusions Chitosan and it s water soluble derivatives have no cytotoxicity. 結論殼聚糖及其水溶性衍生物無(wú)細胞毒性。
- In picture is UNHCR's water programe in Sri Lanka, beneficiaries are taking simple shower. 這是難民署在斯里蘭卡的供水項目，難民們正在進(jìn)行簡(jiǎn)單的淋浴。
- This paper studied the cause of bursting of water wall tube bythe methods of chemical and metallographical analysis. 采用化學(xué)分析、金相檢驗及力學(xué)性能測定等方法，對水冷壁管爆裂原因進(jìn)行了分析。
- The evapo-transpiration is taken into account as water loss, subtracted from the soil’s water balance. 蒸散發(fā)造成水量的損失，因此要從土壤水量平衡中扣除。
- Applying embedded system in the group control of multi welding powers of Membrane Water Wall. 將嵌入式系統應用于電站鍋爐膜式壁多臺焊接電源的群控。
- The cytotoxicity of chitosan and it s water soluble derivatives was determined by the inhibition of cell growth. 采用細胞生長(cháng)抑制法測定殼聚糖與水溶性的異丁基殼聚糖、羧甲基殼聚糖的細胞毒性。
- The authors believe that the water wall erosion is cause by the solid from the reasonless soild-gas flow. 循環(huán)流化床鍋爐水冷壁管的磨損是影響循環(huán)流化床鍋爐運行的一個(gè)主要因素。
- Abstract : Bilinear quadrilateral method was used to subdivide the spirally water wall and rectangular fin. 摘要 ： 采用雙線(xiàn)性四邊形法對螺旋管圈水冷壁和鰭片進(jìn)行了剖分。
- Many of ADB's water projects now involve river basin organizations, such as in People's Republic of China, Lao PDR, and Viet Nam. 亞行的許多水部門(mén)項目現在都涉及到流域組織，比如在中國、老撾和越南的項目。"
- The cast steel cools after passing through several water walls. 鑄鋼反復經(jīng)過(guò)水冷壁之后，冷卻下來(lái)。
- The order of mutagenic intensity was as follows ;chlorinated tap water > reservoir’s water > source water > water of clarifying filteration. 毒性大小依次為氯化消毒的自來(lái)水> 貯水箱水> 水源水> 濾池出水。
- As our country"s water resources allocation system defects, was wanton waste of water resources and faced with a serious shortage phenomenon. 由于我國水資源配置的制度缺陷,水資源遭到肆意浪費并面臨著(zhù)嚴重短缺的現象。
- Analysis of Water Wall Tube Fin Cracks of Utility Boiler 火電廠(chǎng)鍋爐水冷壁鰭片橫向拉裂分析
- Methods : Each 200 L of water was collected separately from Huai river source water , water of clarifying filt ration , chlorinated tap water and reservoir’s water. 方法:采集淮河水源水、自來(lái)水廠(chǎng)濾池出水、氯化消毒自來(lái)水及大型貯水箱水各200 L 。
- Through the comparison of X-ray diffraction analysis and SEM analysis of the water wall pipes samples under both CWT and AVT, the actual effect of CWT was proved. 同時(shí)對CWT和AVT給水處理條件下的水冷壁管等進(jìn)行割管和X 射線(xiàn)衍射分析以及掃描電鏡分析,驗證了采用CWT后的實(shí)際效果。
- The order of mutagenic potentiality of those samples is as follows : chlouinated tap water > reservoir’s water > source water > clarifying fillration water. 遺傳毒性大小順序依次為:消毒處理過(guò)的自來(lái)水> 貯水箱水> 源水> 濾池出水。
