易氧化度 的英文怎麼說
中文拼音 [yìyǎnghuàdù]
易氧化度
英文
oxidability-
Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc
其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。釹鐵硼磁鐵容易生銹、氧化,所以對釹鐵硼磁鐵,其表面通常需作電鍍處理,如鍍鋅、鎳、銀、金等,也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。Liberation of hydrogen gas would be increased rapidly and sic particles on the surface might be dispersed if the current density exceed the upper limit. furthermore, nickelous hydroxide would be deposited because the ph of plating solution nearby the surface rapidly increased. all of above might result in coating deterioration
若電流密度過大,超過所允許的上限值,會析出大量的氫氣,可能沖散表面覆蓋的sic微粒,而且易使磨頭表面鍍液ph值急劇上升而形成氫氧化鎳沉澱,導致鍍層質量惡化。The experiment results show that this new method to oxidate the combination of h2 and o2 is very easy in use and can improve the uniformity greatly
實驗結果表明,此方法簡單易行,能夠有效改善氫氧合成氧化的均勻度,並已用於微電子工藝研究和生產中。When using the correct apparatus i. e. peristaltic pump, skins are easily removed, reducing the risk of excessive phenolic extraction and oxygen pick up
當採用了恰當的設施時,如蠕動泵,果皮很容易被排掉,從而減少了酚類物質過度浸出和受到氧化的危險。Adopt advanced technic of f4 whole cold - press to moulding and heat melt to process to make, let the lining no slot to link withal cheek by jowl connect with exterior metalpipes wall, in the state of allowwing to work keep to distort in - phase, thereby to enhance using - life of lining in the working status of opposite high temperature high vacuum, stop the ecumenic pad fluorin pipes using in condition of cold and heat alternate and minus tension to come into being the matter of padding fluorin floor shrivel to jam the flowway and plastic rip, its perfect choice use to transport medium of strong corrosive strong oxidation by modern chemical - industry corporation
採用氟塑料f4整體冷壓成型及熱熔加工等先進技術製造,使內襯層無縫搭接且與外層金屬管壁緊密粘接,在允許工作狀態下能夠保持同步變形,從而提高了襯里層在相對高溫高真空度的工況下的使用壽命,杜絕了一般襯氟管在冷熱交替,及負壓的條件下使用易產生襯塑層鼓癟阻塞流道及塑料拉裂的問題,是現代化工企業在輸送強腐蝕強氧化介質理想的選擇。The labour department has published the " code of practice on control of air impurities ( chemical substances ) in the workplace " and " a simple guide to health risk assessment - office environment series " that set out recommendations for employers on how to control ozone concentrations and the ozone concentration standards for the workplace
該處發出了《控制工作地點空氣雜質(化學品)的工作守則》及《職業健康風險評估簡易指南辦公室環境系列》 ,向僱主建議控制臭氧濃度的措施,並列出工作環境的臭氧濃度標準。But it also includes two fatal disadvantages : first, at is difficult to be sintered and its density is low, which causes its lower strength ; second, in the temperature range of 1023 - 15 73 k, at can decompose into al2o3 and tio2 easily, which can cause the stress concentrated and raise the heat expansion rate
但是該材料本身存在的兩大致命的缺點,在很大程度上限制了它的廣泛應用: ( 1 ) 、鈦酸鋁難以燒結,燒結體的緻密度低,因而強度不高; ( 2 ) 、在750 1300的溫度范圍內易分解成氧化鋁和二氧化鈦,造成材料內部應力集中,並使材料的熱膨脹率升高。High pressure grinder brief introdction high pressure grinder. the machine is on purpose to grind the barite, h igh pressure grinder limestone, kaolinite, cerames, ahd slags, etc, below scale 9. 3 of moh, shardness and 280 - odd sorts of non - inflammable and non - explosive stuff in the trades of mining, metallurgical industrial, chemical engineering and building material for high fine powder generation and processing
高壓微粉磨主要適用於常規物料的研磨粉碎,如高嶺土石灰石方解石滑石大理石重晶石石膏氧化鐵紅氧化鐵綠氫氧化鋁顏料膨潤土陶土等濕度小於8 ,莫氏硬度在6級以下的非易燃易爆物料的超細粉加工。Because of drying in vacuum, it has high speed under low temperature, its dry speed has raise 2 times, save sources, and the heat efficiency is high, especially adapt to material which is heat sensitive and easy oxidized
由於是在真空下乾燥,在較低溫度下有較高速率,比一般乾燥設備速度提高2倍,節約能源,熱利用率高,特別適合熱敏性物料和易氧化物料的乾燥。The results show that under the same lapping conditions the si3 n4 ball has the lowest material removal rate and the best roundness and roughness, followed by zro2, al2o3, and sic ball
結果表明:在相同的研磨條件下,具有長柱狀晶粒的氮化硅陶瓷球加工速率最低,但圓度和表面粗糙度最容易控制;氧化鋯和氧化鋁陶瓷球表面質量次之,碳化硅陶瓷球加工速率最高,圓度和表面粗糙度最難控制。4. flaw because the exhausting black smoke s temparature we use on spare generator is lower, granular pollutant s emmision capacity is large, and is easy to get granular pollutant jamming on channels. it will need to disassemble parts and take back to original factory for regeneration at uncertain time, and it can not improve effectively hc and co in exhaust smoke
4 .缺點:使用於備載發電機排煙溫度較低,因此粒狀污染物排放量大,容易將粒狀污染物堵塞于通道上,須不定時拆卸回原廠再生,且無法有效改善排煙中碳氧化合物( hc )及一氧化碳( co ) 。4. flaw because the exhausting black smoke s temparature we use on spare generator is lower, granular pollutant s emmision capacity is large, and is easy to get granular pollutant jamming on channels. it will always need to disassemble parts and take back to original factory for regeneration, and it can not improve effectively hc and co in exhaust smoke
4 .缺點:使用於備載發電機排煙溫度較低,因此粒狀污染物排放量大,容易粒狀污染物儲塞于通道上,須一時拆卸回原廠再生,且無法有效改善排煙中碳氫化合物及一氧化碳。In this article the chelating precipitation method and the converting precipitation method were chosed to synthesis zno nanoparticles on the basis of the theory of synthesis of nanoparticles by precipitation. uniform and dispersed zno nanoparticles were prepared by the two methods because zn2 + of conformation crystal was flee slowly and the supersaturation was well controlled. the problem which zno nanoparticles are wide size and agglomerative was solved
本文根據均相沉澱法合成納米粒子的原理,採用絡合沉澱法和沉澱轉化法合成納米氧化鋅。這兩種方法利用溶液中的構晶陽離子zn ~ ( 2 + ) ,緩慢地釋放出來,有效地控制了溶液中的過飽和度,可以得到粒徑均勻、分散的納米氧化鋅,解決現有制備工藝中納米氧化鋅粒徑分佈寬、易團聚的問題。When a temperature inversion is formed in the pearl river delta ( prd ) region, or when a weak northerly or northwesterly wind prevails, ambient air pollutants ( including nox and voc ) in the region will be trapped easily in the lower atmosphere and cannot be dispersed effectively. the above factors, if coupled with strong sunlight, will favour the building up of ozone concentrations
當珠江三角洲區域一帶出現逆溫層現象,或者吹微弱北或西北風時,區域內空氣中的污染物(包括氮氧化物及揮發性有機化合物)很容易會被困在大氣的低層,不能有效消散;如再加上強烈的陽光,臭氧濃度便會增高。However, iron powder is liable to oxidation, which will reduce the surface activities of the powder and hinder the sintering process
但是鐵粉很容易氧化,粉末表面活性降低,妨礙燒結過程的充分進行,使實際燒結過程難以達到理想的燒結程度。This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable
傳統的合成方法是高溫固相反應,由於灼燒溫度高、灼燒時間長,形成硬團聚體,產物粒徑較大,一般為m級,需進行球磨粉碎以減少其粒徑,很難制得均相、均一粒度分佈的氧化物粉體,在研磨過程中容易引入雜質且晶形破壞使得發光亮度減小。Abstract : this paper describes a new preparation technique of calcium iodate. at the presence of hydrochloric acid, iodine is oxidated by sodium chlorate, and then reacts with calium hydroxide. a series of constrasted experiments are made on the conditions and different techniqures. relatively high productivity and purity at low cost. easy controllability and operation are the main features of this kind of technique
文摘:介紹了以單質碘為原料,在鹽酸存在下,經氯酸鈉氧化,再與氫氧化鈣進行中和反應制備碘酸鈣的方法,並做了最佳工藝條件和不同方法的對比實驗.本法具有收率較高、純度較高、生產成本較低及反應條件易控制、設備簡單、操作方便等特點Widely used in the industries of petrochemical, refining, dyestuff, printing, pesticide, pharmaceutical, rare earth and fertilizers, etc., this pump is an indispensable optimal choice to handle the corrosive medium, like various non - oxidated acid ( hydrochloric acid, thin sulfuric acid, formic acid, acetic acid and butyric acid ) not containing solid particles, not easily crystallized, and temperature not over 100
本泵主要用於石化、冶煉、染料、印染、農藥、制藥、稀土、化肥等行業,輸送不含固體顆粒,不易結晶,溫度不高於100的各種非氧化性酸(鹽酸、稀硫酸、甲酸、醋酸、丁酸)等腐蝕介質必不可少的理想設備。Widely used in the industries of chemical, petrochemical, refining, dyestuff, pesticide, pharmaceutical, rare earth and fertilizers, etc., this pump is an optimal choice to handle the corrosive medium in storage tank, like various non - oxidated acid ( hydrochloric acid, thin sulfuric acid, formic acid, acetic acid and butyric acid ) not containing solid particles, not easily crystallized, and temperature not over 100
本泵廣泛用於化工、石化、冶煉、染料、農藥、制藥、稀土、化肥等行業,在貯罐上輸送不含懸浮固體顆粒,不易結晶,溫度不高於100的各種非氧化性酸(鹽酸、稀硫酸、甲酸、醋酸、丁酸)等腐蝕介質的最理想設備。Turpa - a series of highly refined base oils which possess wccellent demulsibility, anti - foad and air release properties. containing antioxidant and anti - rust additives to impart high resistance to oxidation ant high temperature and to acid formation. turpa is specially recommended for steam, gas and water turbine, turpa fufills the most severe operating conditions imposed by modern heavy duty gas turbine as other general applications, such as vacuum pump, air compressor and hydraulic system, where the qualities of turbine oil are required
德霸-高度精煉礦物油,具備了優良的抗乳化性、抗泡性及空氣釋放性,配合抗氧化劑及防銹劑,在高溫時不易氧化及產生酸性,推薦應用於蒸汽、烯氣及水輪機,德霸能滿足新式燃氣渦輪機的嚴苛操作環境,也能應用於需要一般透平機油特性的操作,如真空泵、空氣壓縮機及液壓系統等。分享友人