有螯的 的英文怎麼說
中文拼音 [yǒuáode]
有螯的
英文
chelifore-
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 ) ]及其衍生物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。On their seats were boxed dinners containing schnapps, beer, pickled herring, new potatoes, goose, crayfish, red cabbage, brussels sprouts, and saffron buns
每個人的座位都有餐盒, ?面有香甜酒、啤酒、腌鯡魚、當?收成的馬?薯、淡水螯蝦、紅色?心菜、球芽甘?及番紅花麵包。Razer tergum is a giant scorpion with strong chela deadly sting
剃背是只擁有強壯大螯與致命毒刺的巨蝎。Plants may possibly influence soil chemistry by the possession of chelating mechanisms.
植物由於具有螯合機制可能影響土壤的化學特性。Application of organic chelating depressants in flotation
有機螯合抑制劑在浮選中的應用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
由於單胃動物如豬、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,因為它能螯合許多動物生長所必須的微量元素。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 。Rearrangements have been occurred in at least twelve mitochondrial genes, which have drastically altered the gene order of the mitten crab e. japonica sinensis to the putative ancestral pancrustacean ( crustacean / insecta ) gene order
中華絨螯蟹線粒體基因組與推測的泛甲殼類原始的線粒體基因順序相比,至少有12個基因發生了重排,造成線粒體基因排列順序顯著的變化。Biologists have long known that the crab ' s shell is darkest during the day, grows pale in late afternoon, then begins to darken again at daybreak
它有著過分增長的螯,生物學家早就知道招潮蟹的殼在白天是黑暗的,傍晚時變成灰白,然後在破曉的時候又變黑。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。It will sting - it will taste bitter, sir
「它會螯人的而且有苦味,先生。 」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,是一種具有螯合作用的化合物,能夠可逆地結合鐵離子、鎂離子以及其他正離子。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的磷酸基團螯合,形成- po _ 2 ~ - … me ~ ( 2 + ) … n7 ( g )螯合物,但是前者的螯合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,而後者的螯合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,螯合作用才能進行,並且螯合物的生成量跟r之間沒有很明顯的關系存在。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,但有關氨基酸螯合銅的研究報道較少,本課題以小鼠為動物模型,以賴氨酸整合銅和蛋氨酸螯合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。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,本文綜述了鋁對植物地上部光合作用、光保護系統、水分利用效率、含水量、碳水化合物含量、礦質營養、有機酸和氮代謝的影響,並對富鋁植物的解鋁毒機制(鋁與小分子有機酸螯合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。Chapter 2 screening of genes related to the ovary development of the mitten crab ( eriocheir japonica sinensis ) by cdna macroarray analysis plasmids were extracted from all the clones in the subtracted cdna libraries with alkali lysis method, then the inserted fragments in plasmids were amplified by pcr
2用cdna微陣列篩選中華絨螯蟹卵巢發育相關基因將差減cdna文庫中的所有克隆用堿裂解法提取質粒,然後以提取的質粒為模板,用pcr方法擴增插入片段。Of the remaining four rivers, three were rated grade 3, but aojiang in wenzhou city was rated grade 5, which is only better than the lowest grade
另外的四條江中,有三條被評定為三類水。但是溫州的螯江被評定為五類水,水質僅好於最低級別而已。The phylogeny analysis supports to transfer the genus helice from the sesarmidae to the varunidae
並支持新絨螯蟹屬是一個有效屬,但不支持平絨螯蟹屬的有效性。Since 90 ’ s, our experts and technician have been dedicating to the research, development, production and application of trace mineral chelated products, after the establishing of our chengdu trial base, the research team which consist of specialist, professor, engineer has a perfect platform to reveal their achievements
公司擁有國內外專家、教授、工程師組成的科研隊伍和完善的試驗基地,公司的研發技術骨幹自九十年代初就專注于系列氨基酸微量元素螯(絡)合物的研究、開發、生產、應用。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