螯合劑 的英文怎麼說
中文拼音 [áogějì]
螯合劑
英文
chelant-
Study on the activating mechanism of five types of organic chelating agents for smithsonite
五種有機螯合劑活化菱鋅礦作用機理研究Effect of aluminum chelating agent on liver zymogram and on essential elements of rats induced by aluminum
鋁螯合劑對染鋁大鼠肝酶譜及必需元素影響Ptpa chelating agent and its manufacturing
螯合劑及其製造Stabilization of heavy metals in incineration fly ash with chelating agents
採用螯合劑穩定垃圾焚燒飛灰中的重金屬The development of heavy metal chelating agent in treating with hazardous waste
重金屬螯合劑處理危險廢物的研究進展Effective and environmentally benign chelating agents for pulp bleaching application
一種高效和環保的新型漂白螯合劑Surface active agents - determination of chelating agent content - titrimetic method
表面活性劑螯合劑含量的測定滴定法Soaps and detergents. determination of chelating agent content. titrimetric method
肥皂和洗滌劑.螯合劑含量的測定.滴定法The metallic ion influence, is been easily best at the same time uses the chelating agent
易受金屬離子的影響,最好同時使用螯合劑The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。The high - efficiency cleaning agent and optimum conditions were chosen and it has some guiding significance on practice. the main tasks include : by the contrastive experiments of sodium tripolyhosphate, sodium hexametaphosphate, na2edta and na4edta dissolving caso4, na2edta and n ^ edta were chosen as cleaning agents in this experiment
主要包括:通過對三聚磷酸鈉、六偏磷酸鈉、乙二胺四乙酸二鈉、乙二胺四乙酸四鈉四種螯合劑對硫酸鈣溶解性對比實驗,最終選擇乙二胺四乙酸二鈉和乙二酸四乙酸四鈉作為本實驗清洗劑。On the base of these, we studied the effect of chelator on the stability of acidic juice - milk
在此基礎上,研究螯合劑對調酸果奶穩定性的影響。Application of chelator in strontium titanate as lean - burning oxygen sensors
螯合劑在氧敏傳感器鈦酸鍶薄膜制備中的應用Discussion on the social educational function of the national library from constructing the harmonious society
幾種螯合劑對鎘致小鼠肝臟毒性解毒作用比較Effect of chelator on antiolidation of matter extraced from orange peel
螯合劑對桔皮中提取物抗氧化作用的影響Affection of chelating reagent on the fabric and rove of linen in the enzymatic scouring process
螯合劑在亞麻酶精練工藝中的作用However, some synthetic chelates have been shown to induce the uptake of metals by plants
許多螯合劑能誘導植物對重金屬的吸收。Under hs at 44, addition of the calcium ion chelator egta to a whole cell extract reduced the binding of the hsf to hse. re - addition of cacl2 to the sample pretreated by egta restored the binding activity of the hsf to hse obviously. dna - binding activity of the hsf was also induced by directly adding ca2 + to a whole cell extract at non - heat - shock temperature, but not by the same concentration of mgcl2
44熱激條件下以ca ~ ( 2 + )螯合劑egta處理玉米幼苗全細胞提取液可抑制hsf的dna結合活性,而回加cacl _ 2又可恢復hsf的活性;在非熱激條件下直接以cacl _ 2處理則可代替熱激激活hsf的活性,其中1mmcacl _ 2的作用最明顯,而相同濃度的mgcl _ 2無此作用。The effect of thickening agent and chelator on the stability of acidic juice - milk were studied in this paper
摘要對添加不同增稠劑、螯合劑對調酸果奶穩定性的影響進行研究。Tetrasaccharide, pentasaccharide and hexasaccharide of chitooligosaccharide has outstanding function in anti - plant diseases and promoting growing
環保上,可作為活性污泥絮凝劑,重金屬離子及有機物的螯合劑和吸附劑分享友人