螯合物 的英文怎麼說

中文拼音 [áo]
螯合物 英文
chelate螯合物激光器 chelate laser
  • : 名詞(螃蟹等節肢動物的變形的第一對腳) chela; pincers
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  1. Dithiocarbamate [ s2cnr2 ( dtc ) ] and it ' s derivates were applied in chemistry 、 medical 、 petrochemical and other fields, it can coordinated with all kinds of transition metals, the anion of bidentate ligand also bridges two transition metals

    摘要氨荒酸鹽[ s2cnr2 ( dtc ) ]及其衍生早已廣泛應用於化學、醫學、石油化工等領域,它與所有的過渡金屬都可以進行配位,形成螯合物,雙齒的陰離子也可以作為橋鏈兩個過渡金屬的配體。
  2. In all those complexes, no matter which conformation ida assumes ( mer - or fac - style ), the two 0 atoms of 1n2o are both from carboxylic hydroxyl. however, by comparing the bond length, we can find that o ( 4 ) and o ( 2 ) atom is from different group in this complex, 0 ( 4 ) atom from carboxylic hydroxyl, whereas, 0 ( 2 ) from carboxylic carboxide

    值得注意的是:在這個雙核配中,我們首次發現一種新穎的配位方式: ida上與金屬離子配位的三齒原子是亞氨n原子、一個羧基上的羥基o原子和另外一個羧基上的羰基o原子。
  3. Plants may possibly influence soil chemistry by the possession of chelating mechanisms.

    由於具有機制可能影響土壤的化學特性。
  4. New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded

    闡述了用於環氧乙烷催化水反應中的多羧酸衍生催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展;同時闡述了用於碳酸亞乙酯法成乙二醇反應中的催化體系的新進展。
  5. The extraction of ions in the form of chelate compounds, inorganic salts solvated by neutral reagents, and ion - pair compounds is considered

    本文考慮了螯合物、中性溶劑溶解的無機鹽、離子對化的離子萃取。
  6. Monogastric animals, such as pigs and poultry, are not able to utilize phytate phosphorus efficiently, since they have only low levels of phytase activity in their digestive tracts, phytate also acts as an antinutritional agent in monogastric animals by chelating various microelements needed by the animal

    由於單胃動如豬、雞等的消化道中植酸酶活性很低,導致它們無法有效利用植酸磷。同時,植酸也是一種抗營養因子,因為它能許多動生長所必須的微量元素。
  7. The development of heavy metal chelating agent in treating with hazardous waste

    重金屬劑處理危險廢的研究進展
  8. Aluminium chelate compound

    螯合物
  9. 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、劑不敏感。通過對不同木聚糖的酶解產的糖份分析發現:以樺木木聚糖為底時,酶解產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時,酶解產主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。
  10. The gel by sodium alcoholate method, added benzoylacetone, have the obvious uv absorption peaks at 265nm and 337nm respectively. when the gel was placed in air, the chelate did n ' t have change. the absorption peak decreased until disappeared when the films were irradiated by the ultraviolet light with the relevant wavelength, which indicated that the films were obviously photosensitive

    ( 4 )通過三種方法制備感光性的sno _ 2 : sb ( ato )溶膠,採用醇鈉法,添加苯酰丙酮制備的二氧化錫凝膠膜,在265nm和337nm處存在明顯吸收峰,空氣中放置,所形成的螯合物不發生變化,用相應波長的紫外光照射時,這個吸收峰會減小直至消失,表明薄膜具有良好的感光性。
  11. Edta ethylenediamine tetra - acetic acid, a compound that acts as a chelating agent, reversibly binding iron, magnesium, and other positive ions

    學名為乙二胺四乙酸,是一種具有作用的化,能夠可逆地結鐵離子、鎂離子以及其他正離子。
  12. Both the frequency and intensity of 1146. 0cm - 1 change largely, etc. discussed and compared the mechanism of these interaction in detail we got some conclusions as following : both zn2 + and cd2 + ions can chelate with po2 - and come into being - po2 - me2 + n7 ( purine ) chelate. as to zn2 + ions, when r2. 0, the quantity of po2 - zn2 + n7 is directly linear with r. when r2. 0, zn2 + ions even can chelate with c at n3 - o2 sites and this chelation will disrupt the h - bond between gc base pairs and make the dna structure unstable. as to cd2 + ions, only when r is within 1. 0 - 1. 5 can this chelation take place and the relation of the quantity of this chelate with r is not easy to conclude

    通過對這些變化進行詳細討論和分析,我們得到了如下的結論: zn ~ ( 2 + )和cd ~ ( 2 + )都可以跟dna的磷酸基團,形成- po _ 2 ~ - … me ~ ( 2 + ) … n7 ( g )螯合物,但是前者的跟離子濃度有很大的關系,在摩爾濃度比小於2 . 0時,螯合物的生成量跟r成正比關系,而後者的跟離子的關系不是很明顯,只有當r處於1 . 0至1 . 5之間時,作用才能進行,並且螯合物的生成量跟r之間沒有很明顯的關系存在。
  13. With the metallic ion iron ion, forms the chelate in particular, causes to change color

    與金屬離子尤其是鐵離子,形成螯合物,導致變色
  14. Application and exploit of the feed additive of compound amino acid chelated mineral element

    氨基酸微量元素螯合物飼料添加劑的應用與開發
  15. Microelement amino acid chelate is a newly additive, which was studied extensively, and the nutritional function of microelement amino acid was confirmed by many studies. but the study of copper amino acid chelate was seldom. in this study, mice were used as animal model, cu - lys and cu - met were studied as representative of copper amino acid chelate

    微量元素氨基酸螯合物是現今研究最廣泛的新型微量元素添加劑,其優秀的營養作用已為眾多的添加效果試驗所證實,但有關氨基酸銅的研究報道較少,本課題以小鼠為動模型,以賴氨酸整銅和蛋氨酸銅為代表進行了以下3部分試驗,研究飼糧銅源和銅水平對小鼠銅營養狀況及免疫功能的影響。
  16. The purposes of this project were to further analyze the characteristics of their iron efficiency under iron stress, to study the physiological and molecular mechanisms of iron efficiency under iron deficiency in c. junos and m. xiaojinensis, and to analyze the spatial expression model of fcr ( ferric chelate reductase ) gene under iron stress with the hope to cast a new light on iron stress tolerance on the molecular level, to lay solid foundations for cloning fcr gene in c. junos and m. xiaojinensis, and to provide some basic data for creating new rootstocks with excellent complex characters and iron efficiency

    本研究通過進一步分析香橙和小金海棠的耐缺鐵特性,研究它們耐缺鐵的生理原因和分子基礎,並通過分析三價鐵螯合物還原酶基因的空間表達模式,從分子水平上去探討植耐缺鐵的原因,為從香橙和小金海棠中克隆三價鐵螯合物還原酶基因奠定基礎,並為人工創造耐缺鐵的果樹砧木提供基礎研究數據。
  17. These can include animal - based, cell culture - based, biochemical, or ligand / receptor - binding assays

    這些分析方法可以包括基於動的,細胞培養的,生化學的或配位體/接受體的分析方法。
  18. This paper reviews the effects of al on photosynthesis, photoprotective systems, water use efficiency ( wue ), water content, carbohydrate content, mineral nutrition, organic acids, and nitrogen metabolism in plant shoot, and also the mechanisms of al detoxification ( chelation of al with small organic compounds, and isolating al in the some parts, which are insensitive to al, such as vacuoles or epidermal cells ) by al accumulators

    為此,本文綜述了鋁對植地上部光作用、光保護系統、水分利用效率、含水量、碳水化含量、礦質營養、有機酸和氮代謝的影響,並對富鋁植的解鋁毒機制(鋁與小分子有機酸和把鋁隔離在對鋁不敏感的表皮細胞和液泡內)進行了綜述。
  19. Sepharose affinity chromatography. the apparent molecular weight of purified ghrp - scu - pa - 32k was 33kd by sds - page and mass spectrometry and its specific activity was 150000iu mg protein, according to fibrin plate determination

    經鋅離子親和柱純化的產, sds - page顯示為單一蛋白條帶,分子量為33kd ,質譜法測定分子量也為33kd 。
  20. Effect of chelator on antiolidation of matter extraced from orange peel

    劑對桔皮中提取抗氧化作用的影響
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