降價劑 的英文怎麼說
中文拼音 [jiàngjiàjì]
降價劑
英文
cheapener-
In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst
為了降低主催化劑pt的用量、提高pt的活性和利用率,本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒,利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態;利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量;並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。Evaluation of the effect of pour point depressant in daqing crude oil field
大慶原油降凝劑效果評價Extenders are durable water repellents which lower the overall cost of the finish.
增補劑系永久性的防護劑,它降低整理劑的總價格。In the present research the fiber - like palygorskites are surface - modified by four kinds of different coupling agents, and the optimal modification process parameters are obtained by the drop height method employed to evaluate the effects of surface modification
摘要分別採用四種不同偶聯劑對坡縷石進行表面改性,用沉降高度法對改性效果進行評價,得到了四種偶聯劑表面改性坡縷石的優化工藝。Construction in winter of the huhhot financial office that is from the twelfth floor to the top, the concrete was mixed with antifreeze and others, heat was produced by the stove from emitting, during the building was discussed the effective measures were taken to prevent concrete from damaging in the low temperature, and the cost was reduced
摘要對呼和浩特市財政局辦公樓12層以上框架主體混凝土工程的研究,摻防凍劑和綜合蓄熱法的冬季施工措施,以及在施工過程中的具體控制辦法,降低了造價,保證了混凝土不被受凍破壞。A hydrogen and argon ions mixing beam was implanted into the deposited vanadium oxide film. after annealing, vo2 film with tcr ( temperature coefficient of resistance ) as high as 4 % was obtained. the bombardment of ar + could break v - o bond of v2o5 molecule in deposited film and implanted h + resulting in the deoxidization of v2o5, so the vo2 thin film could be prepared by proper control of the dose of ar + / h + implantation
利用離子束增強沉積設備,在ar ~ +離子束對v _ 2o _ 5靶濺射沉積的同時,用氬、氫混合束對沉積膜作高劑量的離子束轟擊,使得被氬離子轟擊后斷鍵的氧化釩分子,再被注入氫降價,然後經適當的退火,成功地制備了熱電阻溫度系數高達4的vo _ 2薄膜(國外報道值為2 - 3 ) ,並研製了單元懸空結構探測器和8 1 , 16 1線性陣列。In order to determine the influence of the tian an te ecology adjustment agent on cr availability of the soil, the tian an te ecology adjustment agent was applied to the soil, including the tea plantation soil 、 the orchard soil, the vegetable garden soil, comparative analysis about the effect was carried on
摘要為研究天安特生態調節劑對降低土壤中重金屬鉻有效態含量上的作用與效果,通過對施用天安特產品后的茶園土,菜園土及果園土進行對比分析;驗證並評價該產品在降低土壤中重要金屬鉻有效態含量上的作用和效果。At the same time, experimental study on boiling heat transfer by changing mass flow of refrigerant, mass flow of water, and inlet temperature of water was also finished. and then the performance of miniature evaporator was estimated
本文完成了液單相、兩相熱平衡實驗和阻力特性實驗,研究了製冷劑在管內流動的壓降;同時進行了微型蒸發器流動沸騰實驗,通過改變製冷劑質量流量、水的質量流量、水的進口溫度等,實現了對微型蒸發器的性能評價。The results on edta and some metal ions, combined with the excellent recovery effect of cu2 + on detc - inhibited po activity, indicate that this po is a kind of cu2 + metalloenzyme. the effect of polysaccharides and vibrios on the hemocytes and po from shrimp was investigated. under the stimulation of p - glucan, the number of all hemocytes, the number of semigranular cells, the amount of po synthesized and po activity increased about 83. 4 %, 100. 4 %, 104. 7 % and 79. 4 %, respectively
篩選出高效的免疫促進劑,查清其增強對蝦自身免疫力的分子機制,不僅具有重要的理論意義,中國對蝦酚氛化酶的生物化學性質及幾種免疫促進劑對對蝦酚氛化隴和血細胞的影晌而且對于利用免疫促進劑增強對蝦免疫力、降低死亡率,促進對蝦養殖業的可持續發展,還具有重要的應用價值。Performance evaluation and field application of a viscosity reducing agent for viscous crude
高效稠油降粘劑的性能評價及現場應用The modified starch flocculant has a series of virtues such as green, non - toxicity, low price and biodegradability
改性澱粉絮凝劑具有綠色、無毒、價廉、易於生物降解等優點。The synthesizing process can be finished in a single kettle. not only technology is very simple, but also the reaction time is shortened, therefore, the production efficiency is obviously increased. the general performances of modified melamine resin superplasticizer jd can be furthermore improved by compounding amino - arylsulphonate phenol formaldehyde condensate superplasticizer hpp
使用廉價的活性單體尿素取代三聚氰胺單體以降低高效減水劑的生產成本,並將取代量提高到了目前最高水平17 ;合成在一個反應釜中完成,工藝簡單,反應時間縮短,提高了生產效率;本文通過物理改性的手段,即復配氨基磺酸鹽高效減水劑hpp ,可進一步改善改性密胺樹脂高效減水劑的綜合性能。Abstract : some cold flow improvers with excellent performance for diesel fuel were selected by evaluating the cold flow improvers and investigating the receptivity of cfpp of diesel fuel to cold flow improver
文摘:通過對柴油降凝劑的篩選評價和對不同降凝劑冷濾點感受性的考察,選擇出性能優良的柴油降凝劑。But its sintering temperature is so high that it cannot be sintered under 1000 with low melting point electrode materials like ag, cu etc. presently investigations about this material are mainly via glass - ceramic technique to decrease the sintering temperature and the dielectric loss is high. for the first time, this investigation manufacture a casio 3 system low dielectric and high frequency microwave dielectric ceramic via tape casting with basic material altered and additives doped
本文以casio _ 3體系為研究對象,首先對casio _ 3體系進行改性,並首次採用li _ 2o和bi _ 2o _ 3作為燒結助劑,降低體系燒結溫度,在此基礎上,採用catio _ 3調節陶瓷的頻率溫度系數,制備出微波介電性能優良的具有工業應用價值的casio _ 3系ltcc低介高頻微波介質陶瓷。Abstract : the basic synthesis process parameters of water reducing agent of melamune series was studied. the factors affecting hydroxymethylation, stlfonation, low - ph condensation, and high - ph condensation were thoroughly studied. from that, the good conditions for every stages were determined. by addition of compound additives made of some cheap components, the production cost of melamine water reducing agent was greatly decreased so that the spread and application value was increased
文摘:研究了三聚氰胺系列減水劑的基本合成工藝,考察了各種因素對羥甲基化階段、磺化階段、縮聚階段的影響,確定了各階段的最佳工藝條件,通過加入一些廉價組分製成復合型減水劑,使得三聚氰胺系列減水劑的生產成本大幅度降低,提高了產品的推廣應用價值Lubricants. evaluation of primary biodegradability. method by infrared spectroscopy
潤滑劑.主要生物降解性的評價.紅外光譜法分享友人