外源性物質 的英文怎麼說
中文拼音 [wàiyuánxìngwùzhí]
外源性物質
英文
exogenous material- 外 : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 物 : 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...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 物質 : matter; substance; material
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Arginine feeding experiment showed that nitrogen metabolism in the s. tenebraius was obviously affected by arginine through two possible ways : ( l ) pronase activity in vitro could be influnced by arginine, as a result, the catabolism of nitrogen - containing macro - molecule was promoted and the nitrogen element in the broth was increased. ( 2 ) arginine could be transformed into glutamic acid, so that the biosynthesis of apramycin was promoted
因而我們認為gln可能是安普黴素生物合成氮元素的供體。 arg添加實驗結果表明, arg可能通過兩種途徑影響黑暗鏈黴菌體內的氮代謝: ( 1 ) arg可能影響胞外蛋白酶的活性,進而促進含氮大分子物質的分解代謝,補充發酵過程中的氮素來源。In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis
擴增產物連接到pgem - teasy載體中,轉化大腸桿菌dh5菌株,篩選氨芐青霉素抗性菌落,提取質粒經酶切鑒定、 pcr分析以及確證性測序證明,所克隆的1500bp左右的片段含有完整的3abc基因,與國外參考序列相比,同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后,亞克隆3abc基因至原核表達載體ptriex - 4neo中,通過酶切鑒定、 pcr擴增以及序列分析,發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了17bp的缺失,碰巧在3ab基因后形成一終止密碼子,但3ab基因的閱讀框架完整,選出含有3ab基因完整閱讀框架的陽性克隆,用iptg誘導表達,收集菌液進行sds - page電泳、 westernblotting分析,結果表明, 3ab基因在大腸桿菌中成功表達,其表達產物為分子量33 . 5ku的融合蛋白,並能被口蹄疫病毒陽性血清識別。經薄層掃描分析,表達量占總蛋白量的26以上。Injected group, 0. 1 % saccharin ( 1. 5 ~ 2ml / rat, in 5min ) intraoral infused group and cta group. the expression of endogenous leucin - enkephalin ( lek ) in the rat brain was observed and 5 parts of the thalamus including laterodorsal thalamic nucleus ( ld ), lateral part of mediodorsal thalamic nucleus ( mdl ), ventroposterolateral thalamic nucleus ( vpl ), ventroposteromedial thalamic nucleus ( vpm ) and reticular thalamic nucleus ( rt ) were comparatively researched before and after the acquisition of cta applying lek - immunocytochemistry. in behavioral experiment, 18 adult male sd rats were divided into normal cta group ( control ) and 2 naloxone i. p
為探討cta形成過程中enk的作用,本實驗用成年雄性sd大鼠35隻,分為空白對照組、生理鹽水( 2體重)腹腔注射組、 0 . 15mlicl溶液( 2體重)腹腔注射組、 0 . 1糖精溶液口腔灌流組( 1 . 5 - 2ml只, 5min )和cta建立組,採用免疫細胞化學方法,觀察了亮腦啡肽( lek )陽性神經元在大鼠腦內的分佈情況,並比較了各組大鼠丘腦外側背核( ld ) 、丘腦內側背核外側部( mdl ) 、丘腦腹后外側核( vpl ) 、丘腦腹后內側核( vpm )以及丘腦網狀核( rt )等5個腦區內lek表達水平的差異;另外將成年雄性sd大鼠18隻,分為正常cta建立組以及在cta建立前或cta建立后阿片受體拮抗劑納洛酮( 2mg kg體重)腹腔注射組,對內源性阿片樣物質對于cta建立和保持的影響進行了行為學研究。The peroxidase activity of variant t220x was obviously higher than acceptor lu22 at seedling stage. the result of peroxidase electrophoresis indicated that there were difference both in the depth and in the amount of zymogram between lu22 and t220x. so it was concluded that the variety of peroxidase was the result of change of heriditary substance
小麥幼苗期過氧化物酶活性的測定顯示,變異體t220x的酶活性高於受體魯22 ;過氧化物酶電泳顯示, t220x和魯22過氧化物酶在酶帶深淺和數目方面都存在差異,說明外源遺傳物質已影響到過氧化物酶的變化。The carbofuran - degrading experiment of cds - 1 was carried out in lab scale, the results showed that the highest degrading efficiency was obtained with ph, temperature being 7. 0, 30c respectively ; the change of aeration had no influece on degrading rate ; the increasing inocula could accelerate carbofuran degrading progress ; the degrading capability of cds - 1 was n ' t inhibited by high carbofuran concentration ; the addition of low concentration of nutrients had no distinct effect on the degrading rate while high concentration had inhibiting effect the distribution of degrading enzyme was also primarily studied, the results showed that degrading - related enzyme was endocellular and degrading progress was not cometabolism
Cds - 1的降解酶(系)是誘導酶(系) ,存在明顯的誘導期;胞內、胞外酶實驗表明呋喃丹降解酶(系)存在於細胞內。添加低濃度外源營養物質對cds - 1的降解性能無明顯影響,說明cds - 1降解呋喃丹的過程不屬于共代謝過程,可以在無外源營養物質存在的條件下降解呋喃丹。添加高濃度外源營養物質會對該菌降解性能產生抑制。We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes
發光光譜研究表明,由於協同試劑的參與,屏蔽了水分子參與配位,降低了羥基( oh )對釹離子激發態能級~ 4f _ ( 3 2 )的猝滅,三元配合物的熒光強度均比二元配合物強,其中配合物nd ( tta ) _ 3 ( tppo ) _ 2在1340nm處的熒光強度最強,適合作為摻雜的光學活性物質,來制備有源光波導材料;在有水工藝條件下,單純地氟化配體未必能提高釹配合物的近紅外發光性能。Different amount of copies in different tissues attribute to the different density of positive signals. the result of the experiment suggested that the transgenic animals can be produced by spermatozoa - mediated gene transfer after the entrapment of liposome. and because the exogenous dna occurs losing the segments. partly integration, or existin g outside of genome dna, the rate of chimerism is relatively high
結果表明: ( 1 )脂質體包裹外源基因轉染精子的方法,可將外源基因導入受精卵中,能夠獲得轉基因動物,並得到了較高的轉基因陽性率; ( 2 )精子攜帶的外源dna的整合過程是隨機的,在受精過程和胚胎早期分化過程中可能發生了片段丟失、不完全整合或游離于基因組存在而產生嵌合體。In the future, the main objective in gene therapy is the development of safe and high efficient gene delivery systems that can deliver foreign genetic materials into specific cell types
未來,基因治療的主要目標是發展安全和高效的基因導入系統,它們能將外源遺傳物質靶向性地導入到特異的細胞。Comparison of the characteristic parameters of immobile elements, such as ree, sc, th, ti etc and of the characteristics of sedimentology and mineralogy comes to a conclusion that the provenance of the sediment is different in the last glacial maximum and in the sub - interglacial stage, and they have the traits of mixed source. during the last glacial maximum the sediment in the outshelf of the southern east china sea was affected weakly by changjiang river and they are probably derived from the coast mountains of zhejiang - fujian province, which are near the southern east china sea
通過對東海外陸架樣品的稀土元素和sc , th , ti等不活潑元素地球化學物源示蹤指標對比,再結合沉積學和礦物學特徵,判斷末次盛冰期與盛冰期以前的沉積物具有不同的物質來源,不同時期的沉積物都具有混合物源的性質,盛冰期東海南部外陸架沉積物受長江物源影響較小,可能來源於距東海南部較近的浙閩沿海山地。In the study, four models were applied and used for prescreening antimicrobial, antitumor and the a - glucosidase inhibitory agents from medicinal fungi including filamentous fungi and macro fungi in fujian ; we studied the antimicrobial, antitumor and a - glucosidase inhibitory activities of three kinds of ganoderma sp. ; as well as we studied the a - glucosidase inhibitor from filamentous fungi w - 20 and its physical and chemical properties. there are abundant antimicrobial, antitumor and a - glucosidase inhibitory agents in filamentous fungi and macrofungi
本課題以福建省的藥用真菌資源為對象,應用了抗菌、抗腫瘤和-葡萄糖苷酶抑制劑的體外篩選模型,進行了藥(食)用曲的絲狀真菌和大型真菌生物活性物質的篩選;對3種靈芝真菌的抗菌抗腫瘤、 -葡萄糖苷酶抑制活性,以及絲狀真菌w - 20抑制-葡萄糖苷酶的活性物質及其理化性質進行了初步研究,為我省藥用資源的開發利用打基礎。Mass spectrometry of synthetic hw - ma and rgd - hw are in full agreement with those speculated theoretically, which proves the success of peptide synthesis and refold. on isolated mouse phrenic nerve - diaphragm preparations, hw - ma can block the neuromuscular transmission in 35 minutes or so ( l 10 - 5 g / ml ), its biological activity shows 73 % decrease comparing with biological activity of native hwtx - i. it proves t hat the protein engineering of synthetic chimera hwtx - i has gained success to some extent, although it did not achieve our expectations. thus it proved that hwtx - i can be using as natural scaffold for protein engineering. and also emphasized the importance of " local stereo circumstances " of activity site when the foreign activity site was transferred into a natural scaffold
濃度為1 / 1059 / ml的hw一ma突變體能可逆阻斷小白鼠隔神經書高肌的接頭傳遞,阻斷時一間為35min左右,與天然hwtx一i比較,生物學活性下降3一4倍,說明合成的突變體改造獲得了一定的成功,盡管與我們預期的目標有一定的差距,從而證明hwtx一i可以作為蛋白質工程研究的天然分子骨架,同時也強調了往天然分子骨架中轉移外源活性位點時維持活性位點「局部立體環境」的重要性。The results showed the contents of condensed tannin, glucose, sucrose, maltose, and all the soluble sugars in the transgenic cottons were lower than those of their own conventional parents, and there were some differences in the concentration of tannic acid, gossypol, each amino acid, fructose, mamnose and trehalose all the free amino acids between the transgenic and non - transgenic cotton cultivars, which indicated non - organic gene inserted in the transgenic cotton had some influences on the changes in nutrients and secondary substances
結果顯示:供試的3個轉基因棉棉株體內縮合單寧、葡萄糖、蔗糖、麥芽糖含量以及可溶性糖總量均低於各自的常規棉親本;單寧酸、棉酚、果糖、海藻糖、鼠李糖和各種氨基酸含量以及游離氨基酸總量也與各自的常規棉親本有差異,表明外源基因的導入影響了棉株體內上述物質的合成與代謝。Take middle - east district of taipusi banner as study area in the paper, combining field observation test ( pumping test and field survey ) with indoor experiment ( granule analysis and organic matter analysis etc ), based on the relationship between hydrological parameters and physical - chemistry characteristic parameters of formation, the variability of aquifer parameters and physical - chemistry parameters of unsaturated zone have been also analyzed. the aquifer system of the taipusi banner is identified and analyzed by using the internal and outside information. on the basis of real pumping of ground water, the water resources evaluated by the water balance method
本文以太僕寺旗中東部地區為研究區域,採用野外試驗(抽水試驗、實地調查)和室內實驗(顆分、有機質等實驗)相結合的方法,推求了研究區含水層系統的水文水利參數,在系統模擬含水層水理參數與巖性物理化學特徵參數之間的關系基礎上,進一步分析了含水層參數及其包氣帶的物理、化學特徵參數的空間變化特徵,並利用其內外部信息對太僕寺旗含水層系統進行了辯識與分析;以現狀地下水開采量為依據,採用水均衡法評價了研究區水資源總量,並利用有限單元法來模擬分析驗證。Visual modflow computer code was selected to simulate heads distribution, calculate the zone budgets of the area, evaluate the effect of external stresses on the groundwater head, to determine how much water would be diverted from the river as the result of pumping and to demonstrate how the groundwater model can be used as a comparative technique to formulate a new approach for the quantitative groundwater vulnerability assessment in order to optimize utilization of the resource
在分析河床沉積物滲透性對模型結果的影響時,採用了實際野外水文地質條件而不像前人所採用的假想模型。本論文用visualmodflow建立數值模型模擬預測了地下水水頭分佈,計算區域的水均衡,分析源匯項對地下水水位的影響。在此基礎上進行了全區的地下水脆弱性評價,為地下水資源的合理開發利用提供依據。Because of last a century industry revolution is with the technology creative since behave type history precept for educating the glorious material civilization of with spiritual civilization, again making the nature ecosystem the environment suffering the bigness wound ; face with the large quantity that economic development mode consume the nature resources, break the ecosystem environment to price to give the our country small town developments of a nice bit of inside the negative influence that bring before, if over - emphasize in the moment economic " performance ", the regardless of farsighted ecosystem is equilibrium, and escape from to be the ground seriously economy, culture foundation with same mode of term, blindness mimicry of nature geography, because of but cause the native special features and traditional culture to lose, image one, thousand an etc. of cities ; with the same mode of term, blindness mimicry of nature geography, because of but cause the native special features and traditional culture to lose, image one, thousand an etc. of cities ; people who reply 21 century pursue the whole body heart the health the life style that develop relation towards publicly exist with movable environment request more and more of high and rigorous challenge, this lesson " inside small town environment design way of thinking research ", then " insist put can into practice keep on develop strategy, exactitude handle economy with population, resources, environment, improvement ecosystem environment with beautify to live the environment, improvement public facilities is with the social welfare facilities. found to produce the development hard, life wealthy with the leading that the good civilization of ecosystem develop the road " for total thought, then " unify programming, reasonable layout, is proper because of the ground system, each have special features, protect farmland, beautify environment, synthesize development, kit developments " for the basic way, regarding related research result of domestic and international expert ' s scholar as draw lessons from, then " create to set up clean, beautiful, quite and public environment, outstanding character image, expand the region ecosystem the vogue, and promote the economic society and environment can keep on developing, and realize the economy develop to win with environmental protection double " for design the target
鑒于上一世紀產業革命和科技創新既為人類造就出輝煌物質文明和精神文明,又使自然生態環境遭受到巨大創傷的歷史教訓;面臨以往以大量消耗自然資源、破壞生態環境為代價的經濟發展模式給我國相當多的中小城鎮建設帶來的負面影響,如偏重眼前經濟「效益」 ,不顧長遠生態平衡,嚴重脫離當地經濟、文化基礎和自然地理條件,盲目模仿同一模式,因而導致本土特色與傳統文化喪失,形象單一,千城一面等;應對21世紀人們追求全身心健康發展的生活方式對公共生存與活動環境要求越來越高的嚴峻挑戰,本課題「中小城鎮環境設計思路研究」 ,以「堅持實施可持續發展戰略,正確處理經濟同人口、資源、環境的關系,改善生態環境和美化生活環境,改善公共設施和社會福利設施。努力開創生產發展、生活富裕和生態良好的文明發展道路」為總的指導思想,以「統一規劃、合理布局、因地制宜、各具特色、保護耕地、優化環境、綜合開發、配套建設」為根本方針,以國內外專家學者相關研究成果為借鑒,以「創建清潔、優美、寧靜的公共環境,突出個性形象,弘揚地域生態風尚,促進經濟社會與環境可持續發展,實現經濟發展與環境保護雙贏」為設計目標。並緊緊圍繞這一目標對中小城鎮的街區環境設計、建築特色設計、建築形象設計、自然環境設計、藝術形象設計、廣場景觀設計、住宅小區設計、生態環境設計、文化建設以及總體環境設計的定位等,展開了具體的思路研究與探討。Green fluorescent protein has several good characters. under excitation of long uv light or blue light, it emits green fluorescence without requiring any exogenous substrates and cofactors. gfp gene expression can be used to monitor gene expression and protein localization in living cells and organisms. this is a development of revolutionary significance. the dna sequence of this gene can be re - engineered by mutagenesis and the gfp will get improved fluorescent properties. the applications of gfp will be wider and wider
綠色熒光蛋白具有優良的特性,在藍光或長紫外光的激發下,不需要任何外源底物或內源輔助因子的參入就能發出綠色熒光.綠色熒光蛋白基因的表達可用來監控活細胞或生物體中基因表達和蛋白質的定位.這是一個革命性的進展.而且,對基因dna序列的改造有可能使綠色熒光蛋白的發光特性更加優良,從而其應用范圍會更加廣泛It has been found that five cell parts, i. e. mitochondria, ser vesicles, golgi vesicles, multivesicular bodies and micropinocytotic vesicles, may be involved in the formation of yolk granules. yolk synthesis appeared to occure by both autosynthetic and heterosynthetic process
除了對卵母細胞起一定的保護作用外,濾泡細胞在卵黃發生中也起著重要作用,即可合成部分卵黃物質供給卵母細胞,而且還可通過濾泡開放為外源性卵黃進入提供通道It seems like conventional science is based on material while spiritual science has nothing to do with it. however, the material and the original element of material non - material cannot be separated. the formless energy patterns contained in material can be read, thus the material can be understood
傳統科學在了解物質的起源方面很有限,因為傳統科學的基礎似乎只限在物質方面,把靈性科學排除在外,但是物質和物質的最初元素非物質是密不可分的,物質中的無形能量的模式可以被讀取,對于認識物質非常有用。The result of investigation showing : extro growth hormone releasing factor mediated by protoplast expressed in rabbit muscle and mouse muscle, products of expression were detected by pcr rt - pcr and elisa
研究結果表明,以原生質體介導的外源性grf基因可以在家兔和小鼠肌肉中表達,通過pcr 、 rt - pcr和elisa都可以檢測到表達產物。Antigens : foreign substances ( e. g. bacteria or viruses ) in the body that are capable of causing disease
抗原:是可引起疾病的外源性物質(即細菌或病毒) 。分享友人