水解度 的英文怎麼說
中文拼音 [shuǐjiědù]
水解度
英文
degree of hydrolysis-
Recently, the chinese plant protection agencies reported the growing hardships in controlling some field populations of oriental migratory locust with organophosphate ( op ) compounds. up to now there are more than 600 arthropod species with documented resistance to one or more insecticides and / or acaricides since resistance phenomenon was first described in san jose scale to lime - sulfur in washington in 1908. enhanced metabolic detoxification and reduced sensitivity of insecticide target - sites are the two major mechanisms in resistance development, involving three primary metabolic enzymes of esterases, glutathione s - transferases and cytochrome p450 polysubstrate monooxygenases
代謝抗性是指對殺蟲劑起水解或隔離作用的酶發生改變,從而對殺蟲劑起到解毒作用,昆蟲主要解毒酶系有酯酶、谷胱甘肽- s -轉移酶、細胞色素p450單加氧酶等,這三種酶系任何一種的組成部分發生改變均會引起害蟲抗性的改變;靶標抗性是指由於殺蟲劑作用靶標敏感度降低而產生的抗性。The soluble concentration of arsenic is dependent upon both chemical form and wastewater ph.
砷的溶解度取決于其化學形態和廢水的PH值。For some wetland plants such as reed and cattail, a small quantity of petroleum pollutants did not form deadly menace, their growing tallness was positive correlated with water deepness. therefore, wetland buffer can be constructed to reduce the impact of petroleum pollution and plant adaptive wetland vegetation so as to improve the environment of oil field
結果顯示:濕地環境對土壤中的石油污染有明顯的降解作用,蘆葦等挺水植物的生長量與積水深度呈正相關,土壤中少量含油並不構成對濕地植物生長的威脅。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。Determination and correlation of solubility of cyanuric acid in water
三聚氰酸在水中溶解度的測定與關聯It is inferred that the dissolution rate and dissolubility of gypsum are the main decisive factors of cement performance of portland - sulphoalminate composite system
推導證實,石膏的溶解速度和溶解度是決定硅酸鹽硫鋁酸鹽復合體系水泥性能的主要因素。At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.
在足夠的溫度和堿度的情況下,脂護酯可能被水解產生皂類。Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted
研究的主要結果具體如下: 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素,確定了浸出鋅浮渣的最佳條件為:液固比為6 : 1 ,攪拌速度為250r min ,粒度為- 120目,酸浸時間為5 . 0h ,硫酸濃度30 ,鋅浮渣的浸出率大於92 . 0 ; 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上,提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法,並分析和討論了影響除錳率和除鐵率等各種因素,確定了除錳的條件為:溫度90 , ph值5 . 4 ,反應時間3h ,過硫酸銨達到理論值的1 . 2倍,除錳率超過99 . 86 ;聯合法除鐵的條件為:氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5Chemical products for industrial use. determination of hydrosolubility of solids and liquids at heigh solubility. flask method
工業用化學製品.高溶解度下固體和液體水溶性的測定.玻璃瓶法The rate of hydrolysis is for the most part significantly lower than the esterification rate.
多數情況下水解速度較酯化速度低得多。Determination of hydrolytic total acidity in forest soil
森林土壤水解性總酸度的測定Its solubility in the water of 90 is more than 100g litre and it can dissolve in alcohol. with good dye levelling performance and better white discharge character, it is sensitive to copper and iron hydronium, thus enough attention should be paid while dying to avoid affecting the colorful light
二染料特性:外觀為藍紫色粉末,在90水中溶解度是50克立升,可溶於酒精勻染性好,拔白性較好,對銅鐵離子敏感,染色時注意,否則影響色光。( 2 ) the reaction factors optimized by orthogonal tests are : the emulsion polymerization temperature is 60, the reaction time is 3 hours, the amount of emulsifier is 8wt %, the hydrophile lipophile balance ( hlb ) value of emulsifier is 15, the stirring speed is 4000r / min, the dropping speed is 1. 1g / min
用正交實驗確定的最佳聚合反應工藝參數為:水解溫度60 ,水解聚合時間3h ,乳化劑用量8wt ,復合乳化劑hlb值為15 ;攪拌速度為4000r min ,滴加速度為1 . 1g min 。The technical difficulties in low - alcohol liquor production mainly cover the following aspects : the bleeding of ethyl palmitate, ethyl oleate and ethyl linoleate etc. after alcohol - degrading might produce the lost of gloss, turbidity and precipitate ; the suspended substances produced in distillation and packing, the production water, and the metal ions contained in production containers are the main reasons for the precipitate in liquor ; besides, the hydrolization reaction and esterification reaction of liquor body during shelf period would also produce the lost of gloss, turbidity and precipitate
低度白酒生產過程的技術難點主要是白酒降度產生失光、渾濁、沉澱,其主要原因是由於降度后棕櫚酸乙酯、油酸乙酯和亞油酸乙酯等析出;蒸餾、包裝等過程帶入的懸浮物,生產用水、生產容器所含金屬離子等為低度白酒產生沉澱的主要原因;還有低度白酒酒體在貨架期的水解、酯化反應也會引起低度白酒產生失光、渾濁和沉澱。Phylogenetic diversity and cold - adaptive hydrolytic enzymes of culturable psychrophilic bacteria associated with sea ice from high latitude ocean, arctic
北極高維度海域海冰嗜冷菌系統發育多樣性及其低溫水解酶分析The solubilities of the gases generally decrease with increased water salinity and increase with pressure.
氣體的溶解度通常隨水的鹽度增加而降低,隨壓力增高而增高。The composite has excellent performance of water retaining, that the adsorbed water of 85 % is retained after being dried 10 days at the room temperature, and the adsorbed water of 45 % is retained after being dried 24 hours at 60 the factors influencing on water absorbency for the superabsorbent composite such as the kinds and concentration of starch, clay, crosslinker, initiator, the external salt solution and hydrolysis degree are investigated in this paper
該超吸水性復合材料在室溫下乾燥10天後的保水率為85 ,在60 2條件下加熱24小時后的保水率為45 。本文較詳盡地探討了超吸水性復合材料的合成條件,並系統地研究了影響超吸水復合材料吸水倍率的各種因素。例如:粘土的種類及粘土的用量、澱粉的種類及澱粉的用量、交聯劑的用量、引發劑的用量、水解度(氫氧化鈉的用量) 、水解時間、外部鹽溶液的種類及濃度等條件。Determination for hydrolysis degree of partly hydrolysis polyacrylamide
部分水解聚丙烯酰胺水解度測定方法Determination method of relative molecular weight and degree of hydrolysis of polyacrylamide in produced fluid with polymer flooding
聚合物驅產出液中聚丙烯酰胺相對分子質量和水解度的測定方法Abstract : the impmvment and the implementary process of testing methods of the hydrolysis degree of a partly hydrolysis colloidal polyacrylaminde are proposed according to a large number of experimental data
文摘:以大量的實驗數據為證,提出膠狀部分水解聚丙烯酰胺水解度測試的改進方法及其實施步驟,與標準方法相比,所提方法簡便、科學、實用。分享友人