除氨法 的英文怎麼說
中文拼音 [chúānfǎ]
除氨法
英文
ammonia elimination process-
The paper reports concisely the technology development of pretreatment and subsequence treatment of acidic water stripping installation now, the technology of pretreatment of acidic water include : remove waste gas, waste oil, suspending solid, effluvium and safety measure taken, the technology of subsequence treatment of acidic water include : the technology of return use of srripped water and the technology of sbr and the technology of ion exchange of denitrification, especially the proprietary technology of fripp in the field
摘要簡述了目前煉油廠酸性水汽提裝置的上下游處理技術及其研究進展,上游技術主要包括:酸性水降壓脫氣、除油、脫懸浮物、惡臭氣體脫臭和應採取的安全防護措施;下游技術主要包括:汽提凈化水的回用、 sbr法、離子交換法除氨等工藝,並簡要介紹了撫順石油化工研究院在本領域上的專有技術。Markham microchemical analysis - apparatus for the determination of elements by other than combustion methods - specification for ammonia distillation apparatus markham
微量化學儀器.第b集:除燃燒法外的元素測定儀器.第2部分:氨蒸餾裝置The interference caused by various amino acids and some other substances in the proteose peptone medium adsorbed in the surface of the mercury film electrode can be eliminated by using exchange of medium during the stripping step
通過使用交換介質法,較好消除了由於蛋白腖細胞生長液中各種氨基酸或其它組分吸附在汞膜表面而引起的干擾。4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction
構建宿主菌基因精確定位突變株31bk ( arod : : arobkan ~ r )為了改變代謝途徑脫氫奎尼酸( dhq )分支點上的代謝流量,使之充分流向目的產物奎尼酸合成方向,利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體,使dhq脫水酶( dhqase )失活,阻斷了碳代謝流流向芳香氨基酸生成的方向,同時用同源重組的方法將arob基因定位整合入染色體上,解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響,並減輕代謝負擔。The ordered and micro - phase structures of the molecular of pu materials are decided directly by its synthesis technology, composition and other materials compounded with it, and they will influence the possessive properties of pu materials. in this paper, general studies on pu have been carried out by the methods of controlling the prepolymerize technology, taking off dissociative tdi from prepolymer through decompress boiling distilling technology, polymerized in - situ with nano - particles and interpenetrated with ps, the relationship between properties and structure of pu / omt, pu / sio2 nano - composites and pu / ps ipns were characterized by ftir, dmta, tem andtga
本文用控制預聚體反應中單體的摩爾比、減壓共沸蒸餾去除預聚體中游離tdi 、用納米填料參與聚氨酯原位復合和與聚苯乙烯進行互貫等方法,合成了聚氨酯蒙脫土納米復合材料、聚氨酯sio _ 2納米復合材料和兩步法合成的基於聚醚( ppg )和聚酯( 3010 )的聚氨酯苯乙烯互穿網路聚合物材料,研究了其性能;運用ftir 、 dmta 、 tem 、 tga等表徵手段,對復合材料的結構進行了研究。Ammonia - nitrogen removal from landfill leachate by chemical precipitation
化學沉澱法去除垃圾滲濾液中氨氮的試驗研究Application of microwave heating on removing ice on streets
氨法脫除煙氣中氣態污染物的應用分析One 66kd band appeared except 44kd main band when go isozyme above was subjected to sds - page and ce - sds, indicating this go isozyme was similar to that from spinach leaves which contained 40kd and 66kd simultaneously. whether b - mercaptoethanol was added or not when go isozyme was subjected to in sds - page and ce - sds, 40kd main band and 66kd band still appeared, indicating two subunits were not linked by covalent disulfide. amino acid analysis shew that the ratios of basic to acidic amino acid of go isozyme and its 40kd acidic subunit were 0
菜心go同工酶的sds - page和sds -毛細管電泳( ce - sds )顯示,該酶除了含40kd主帶外,還有很淺的66kd帶,和之前我們提出的菠菜go同工酶含40kd酸性亞基和66kd堿性亞基相似; sos - page和ce - sds電泳中,無論加入-巰基乙醇與否, go同工酶都只有40kd主帶和66kd淺帶,表明菜心go同工酶中40kd酸性亞基和66kd堿性亞基不是以共價二硫鍵相連;用制備性sds - page法獲得菜心go同工酶的40kd亞基,並和菜心go同工酶一起測定其氨基酸組成,該go同工酶及40kd亞基的堿酸性氨基酸的比例分別為0 . 66和0 . 54 ,表明40kd亞基可能是個酸性蛋白,而66kd帶則是個堿性蛋白。The improved determination method to determine the nacl of the heavy alkali of less salt is described in the paper, its accuracy and feasibility are verified by test, and the improved method can get good results
摘要文章針對純堿企業低鹽重堿分析中氯化鈉含量難以準確測定這一難題,提出了加大稱樣量、加熱除氨、硝酸中和除二氧化碳的改進方法,並通過實驗對改進方法的可行性和準確性進行了驗證,取得了滿意的效果。This paper reviews the utilization over the 20 last years of chemometrics methods in analysis of pesticide residues, including organochlorine, oranophosphorous, carbamate, and synthetic pyrethroid insecticides, along with herbicides and fungicides
摘要對近20年來化學計量學方法在農藥殘留(包括有機氯殺蟲劑、有機磷殺蟲劑、氨基甲酸酯類殺蟲劑、擬除蟲菊酯殺蟲劑、除草劑及殺菌劑)分析測試中的應用進行了評述。The jeopardy mechanism, analysis method and elimination method of ethyl carbamate ( ec ) was summarized to enhance the social recognition of it as a carcinogen
摘要對氨基甲酸乙酯的危害、形成機制、分析和消除方法進行了綜述,應加強對氨基甲酸乙酯這種致癌物質的認識,引起社會的關注。The article introduces the recent development and application of the pressure swing adsorption ( psa ) technology for carbon dioxide removal from the reforming gas of ammonia synthesis
摘要著重介紹了變壓吸法( psa )用於脫除合成氨變換氣中二氧化碳技術的最新進展及其應用。As far as the enzymatic activity is concerned, on the one hand, strain yz - ii6 has higher d - hydantoinase activity and lower d - carbamoylase activity so as not to be suitable for one - step bioconversion of d - amino acids, on the other hand, the higher hydantoinase activity, engineered strain in particular, may be convenient to be as a biocatalyst to produce n - carbamyl d - amino acids which hard to find in the markets
Yz - 6菌具有較高的海因酶活性,但n -氨甲酰基d -氨基酸酰氨水解酶活性很低,仍不適合用於d -型氨基酸生產工藝中的一步法轉化。另一方面,含海因酶基因的人工菌株不但酶活性高,也排除了天然菌株轉化生產d -型氨基酸過程中的一些副產物。Study on the purification and impurity removing in the preparation of active zinc oxide by ammonia complex leaching technique
氨配合法制活性氧化鋅除雜凈化過程研究分享友人