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- Episodes of deoxygenation were found in 13 cases during monitoring. 13例病例在監測過(guò)程中出現發(fā)作性腦氧合降低。
- The said purifier mainly is used for final deoxygenation of molten steel. 該凈化劑主要在鋼液終脫氧時(shí)使用。
- Deoxygenation yield of reaction was high up to 84% by radical mechanism. 通過(guò)自由基反應歷程以30%25過(guò)氧化氫高效率地去除了底物結構中的羥基,收率達到84%25。
- Sodium metaborate is a by-product from deoxidation of sodium borohydride. 摘要偏硼酸鈉是硼氫化鈉的還原副產(chǎn)物。
- The mechanism of reductive deoxygenation of pentose and the modified procedure were discussed in detail. 并重點(diǎn)討論了五碳糖還原脫氧合成法的機理和改進(jìn)的方法。
- Algal blooms, heavy growth of aquatic plants, algal mats and deoxygenation are common symptoms of eutrophication. 水藻滋生、水生植物大量生長(cháng)、藻類(lèi)雜生以及水中游離氧的減少都是富養化的基本特征。
- And then advice on choosing the methods of deoxygenation of boiler supply water is given . 在此基礎上，找出它們的優(yōu)缺點(diǎn)，提出了鍋爐給水除氧方法選用的建議性意見(jiàn)。
- Quartz sand, activated carbon, removing iron and manganese filtration, deoxygenation, fluoride removal equipment. 石英砂、活性碳、過(guò)濾除鐵除錳、除氧、除氟設備。
- In the case of rimming steel, no or some deoxidation is carried out before casting. 沸騰鋼在鑄錠前不脫氧或輕度脫氧。
- The deoxygenation combustion reaction was researched in a fixed bed reactor and in a cycle reactor with alcohol and wood charcoal as deoxidizer. 研究了乙醇和木炭脫氧劑在固定床和循環(huán)反應器中的脫氧燃燒反應。
- Recently, a novel MRI sequence based on the BOLD contrast is used to assess the extent of deoxygenation in ischemic tissue and to derive the OEF. 近年來(lái)開(kāi)始有人利用對偵測去氧血紅素含量有敏感性的新脈沖序列-BOLD對比技術(shù)，企圖來(lái)測量大腦的血氧飽和度，甚至是OEF。
- Deoxidation should be fully conducted during smelting process,and the pouring temperature should be strictly contr... 熔煉時(shí)脫氧應充分,并嚴格控制澆注溫度,以避免出現毛刺、氣孔、充型不良等缺陷。
- Deoxidation by aluminum in steels is used most widely now because of its high efficiency and relatively low cost. 鋁脫氧效率高而且成本較低，因此鋼用鋁脫氧是目前使用最廣泛的脫氧方法。
- The mechanism of cyclodextrin-induced room-temperaturephosphorescence has been reviewed, including the heavy atom effect and deoxygenation techniques. 本文綜述了環(huán)糊精誘導室溫磷光發(fā)光機理，并對重原子作用及除氧技術(shù)作了介紹。
- Four main measures for improving thermal stability including fuel refinement,fuel deoxygenation,addititves and surface modification were introduced. 對提高燃料熱安定性的4種主要措施進(jìn)行了介紹,包括燃料精制、燃料脫氧、加入添加劑和表面處理。
- Then measures are proposed to improve melting operation and deoxidation technique. 進(jìn)而提出了改進(jìn)冶煉操作和脫氧工藝的措施。
- It is necessary to understand the deoxidation by aluminum in steels again due to the harmful effect. 鑒于鋁脫氧對鋼性能的損害，必須重新認識鋼用鋁脫氧的問(wèn)題。
- At present,a new deoxidation technology by zircite solid eletrolyte has aroused general concern. 目前一種采用氧化鋯固體電解質(zhì)脫氧的技術(shù)受到了廣泛關(guān)注。
- In this paper, mass transfer performances and enhancement on the shell-side were broadly investigated based on the deoxygenation experiment. 本文以水中氧解吸過(guò)程為實(shí)驗體系，對中空纖維膜組件殼程的傳質(zhì)性能及其強化進(jìn)行了較全面的研究。
- Four kinds of methods of deoxygenation , such as by introduced in accordance with (he routine mam-tance of water healers, prpe networks and radiators. 分析了熱水供暖系統中氧腐蝕機理及危害,針對熱水鍋爐、管網(wǎng)及散熱器的日常養護,提供了熱力除氧、化學(xué)除氧、真空除氧和解吸除氧4種除氧方法。
