活化原子 的英文怎麼說
中文拼音 [huóhuàyuánzi]
活化原子
英文
activated atom- 活 : Ⅰ動詞1 (生存; 有生命) live 2 [書面語](救活) save (the life of a person):活人無算 (of a goo...
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 活化 : [化學] activation radioactivation; activate活化處理 activating treatment; 活化分析 [核物理] activ...
-
Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time
隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。In general, the activity of the halide component of the initiator increases with the number of chlorine or bromine atoms joined to a single carbon atom.
一般說來,引發劑的鹵化物組份的活性,是隨連在同一碳原子上的氯和溴原子的數目的增多而增長。The results showed that the cucumber seeds soaked with extracts of total alkaloid, dissoluble alkaloid and fat - soluble alkaloid from p. multisectum ( maxim. ) bobr., the activities of amylase, protease and lipase during seed germination were inhibited, the seed vigor and germination rate were suppressed, and respiration rate of seedling was slackened ; root activity, chlorophyll content and activities of nitrate reductase, superoxide dismutase sod ) and peroxidase ( pod ) of cucumber seedlings during seedlings growth were increased
結果表明,多裂駱駝蓬總生物堿提取液、水溶性生物堿提取液和脂溶性生物堿提取液浸種均抑制黃瓜種子萌發過程中澱粉酶、蛋白酶和脂肪酶活性,種子活力和萌發速率降低,呼吸速率減慢;幼苗生長過程中根系活力、硝酸還原酶活性升高,葉綠素含量增加,超氧化物歧化酶( sod )和過氧化物酶( pod )活性提高。This phenomenon was closely related to the transportation and extraction rate of carbon atoms in the surface of catalysts at different temperatures
這種現象與不同溫度下碳原子在催化劑表面的遷移和析出速率密切相關,也即與不同溫度下催化劑的活性有關。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。Landscape pattern analysis for loess plateau
黃土高原土壤中微量元素的中子活化分析Professor che pioneered the chemistry of reactive ruthenium - ligand multiple bonded complexes, which he subsequently used to elucidate the mechanisms of atom and group transfer reactions with organic substrates. he discovered a series of biomimetic chemical reactions applicable to the synthesis of pharmaceuticals and fine chemicals. he also pioneered the photochemistry of phosphorescent metal complexes and synthesized, by photochemical means, novel types of reactive molecules that exhibit unique properties and reactivities unreachable by ground state molecules
支教授創立活性釕多重鍵配合物化學並用於揭示原子和基團向有機底物轉移的反應機理開拓一系列可應用於藥物合成和精細化學品合成的仿生物化學反應創立磷光金屬配合物光化學,並利用光化學方法合成具有基態分子所無法達到的特殊性質和反應性的新穎物種。Results the conjugation rate, high molecular conjugate content of and the antibody titer induced with pneumococcus type 1 conjugate vaccine prepared by cyanogen bromide activation were significantly higher than that by amine reduction
結果採用溴化氰活化法制備的結合物,較胺還原法具有較高的結合率及高分子結合物含量,免疫小鼠產生的抗體效價較胺還原法明顯提高。Abstract : analytical methods for impurities in tungsten and tungstic compounds in recent 10 years were reviewed. among them were atomic emission spectrometry , atomic absorption spectrometry , mass spectrometry , electrochemical analysis , spectrophotometry and activation analysis. 53 references were cited
文摘:綜述了近10多年來鎢及其化合物中雜質元素的分析方法,涉及方法包括原子發射光譜法、原子吸收光譜法、分光光度法、質譜法、電化學分析法以及活化分析法等。Atomic activated absorption
原子活化吸附Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on
該蛋白質中含有保守的- cp ( g ) pc -氨基酸活性基序,該基序中的兩個半胱氨酸殘基可通過巰基二硫鍵的轉換實現其氧化還原狀態的變化和電子氫的傳遞,對細胞中與氧化還原相關的多種生理過程的調節起重要作用。通過同許多酶類、蛋白類、細胞內活性因子相藕連, trx能對光合作用、 dna復制、基因轉錄、細胞凋亡和生長、噬菌體組裝、蛋白質的還原和修復信號傳導等生理過程產生影響和調節。Because of the extensive applications of condensed matter in various fields, the investigations on the equation of state of compressed solids are not only necessary in many basic sciences and interdisciplinary areas, e. g. geophysics, planetary science, astrophysics, physics of condensed matter, atomic and molecular physics, thermodynamics, statistical physics, material science etc., but also of important utilized values in the explosive mechanics, energy engineering, aviation technicality and so on applied sciences
由於固體材料在實際生活、生產中具有的廣泛應用性,這就決定了對固體材料物態方程的研究不僅在熱力學、統計物理學、凝聚態物理、原子與分子物理、地球物理、天體物理、化學物理等基礎學科中是不可缺少的,而且在材料科學、能源工程、爆炸力學、武器物理、宇航技術等應用學科中也具有重要的應用價值。Greater than his adventure in the world of thought was his love - adventure. the world itself was not so amazing because of the atoms and molecules that composed it according to the propulsions of irresistible force ; what made it amazing was the fact that ruth lived in it
他的愛情探險要比他在思想世界的探險來得偉大,且並不因構成它的原子分子由不可抗拒的力量推動而化合從而顯得神奇叫世界顯得神奇的是它上面活著個露絲,她是他所見過的。Using the electric current cation and anoin exchange action, like l - ascorbic acid directly sends in the cell, the activation cell, the desalination pigment, the promotion collagen and the tension textile fiber regeneration increase skin organizes to guarantee the water ability, lets the skin tightly send smoothly has the elasticity, achieves the crystal clear beautiful skin effect
利用電流正負離子的交換作用,如左旋c直接送入細胞中,活化細胞、淡化色素、促進膠原蛋白及彈力纖維的再生增加皮膚組織的保水能力,讓皮膚緊致光滑有彈性,達到晶瑩剔透的美膚效果。Dendritic cells ( dc ) is the most powerful apc, which can markedly increase the antigen - presentation capacity by maximizing the pepitide - mhc complexes on the cell surface and upregulating the co - stimulatory ligands b7 - 1 and b7 - 2, adhesion moleculees such as il - 12 that promote full activation of lymphocytes. full activation of antigen - specific t cells requires two signals - one signal coming via the tcr and the other signal through engagment of co - stimulatary molecules. t cells receiving one signal via their tcr are turned off by mhc ( major histocompatibility complex ), via t cell cd28 binding to b7 on the dc induce tlymphokine and t cell proliferatiion
T細胞介導的細胞免疫在控制腫瘤生長方面發揮著重要作用, t細胞在發揮抗瘤效應(分泌細胞因子和直接殺傷)之前必須先經過活化,體內專職抗原提呈細胞( apc )細胞並使其活化,樹突狀細胞( dendriticcell , dc )為t細胞的激活提供雙重信號, t細胞藉助tcr識別由dcmhc分子遞交的抗原肽后,通過tcr - cd3復合體傳遞抗原特異性識別信號(第一信號) ,以cd28為主的t細胞表面輔佐分子識別dc表面b7分子,傳遞非特異性協同刺激信號(第二信號) ,在機體抗腫瘤免疫應答中處于核心地位。By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier
實驗結果表明:隨著工作氣壓的減小,薄膜的晶粒尺寸有所減小;通過提高氫氣稀釋度,利用原子氫在成膜過程中起的刻蝕作用,可以穩定結晶相併去除雜相;選擇適當的熱絲距離能保證反應氣體充分分解,又使襯底具有較高的過冷度,是形成納米薄膜的重要條件;採用分步碳化法可以提高形核密度,有利於獲得高質量的納米- sic薄膜;襯底施加負偏壓可以明顯提高襯底表面的基團的活性,因負偏壓產生的離子轟擊還能造成高的表面缺陷密度,形成更多的形核位置。Elicitors molecules that initiate cell signaling pathways leading to the activation of plant defense genes and the production of phytoalexins and other defensive chemicals in response to infection by a pathogen
誘導子:可以引發細胞信號通路的分子,使植物防禦基因、植物抗毒素及其他防禦性化學物質製品被活化以防病原體的感染。So - called " increases the oxygen beautiful white skin " is forces the flesh circulation metabolism, every day piles up the human body the pressure creates the toxin and matter causes hormone is out of balance and the disorder mood, afresh conformity eliminate, borrows by ionization principle lead it out, gives the flesh sufficiently contains the oxygen space and balance method the human body, recuperate the qi and blood, the blood vessel gives to reply, returns to original state for is beautiful, moving, the kind charitable cheek concave - convex exquisite body
所謂的「增氧玉膚」即是強迫肌膚循環代謝,將人體每日堆積之壓力所造成之毒素、物引起之荷爾蒙失調及紊亂情緒,重新整合徹底排除,藉由離子化原理將其一一引導出來,給予肌膚充足含氧空間及人體之平衡方法,促全身疏筋活絡、氣脈通暢、活血化瘀、細胞扭曲之筋脈、血管予以回復,還原為美麗、動人、親切慈善之臉蛋凹凸玲瓏纖體。A review on the present status of application of sol - gel technique in electrochemical and biological sensors, covering mainly the years from 1992 to 2006, was given in this paper, focusing specially on the methods of preparation of electrochemical and biological sensors using sol - gel technique to encapsulate electrochemically active substances or biologically active molecules, and the related principles, on the influential factors on the preparation of such censors and on its analytical applications
摘要對溶膠凝膠技術在制備電化學和生物傳感器中的應用近況(涉及年份主要在1992 - 2006年間)作了評述,內容主要集中在應用此技術包埋某些電化學活性物質或生物化學活性分子于其中而制備相關傳感器的方法及其原理,在制備傳感器過程中的影響因素以及此類傳感器的分析應用。This article introduced the principles for making seacell fibers and analyzed the types, sources, composition and bioactivities of seaweeds, as well as the absorption properties of the seaweed particles for silver ions during the activation process
介紹了利用溶劑法生產海絲纖維的基本原理,分析了海藻的種類、來源、組成及生物活性,以及在海絲纖維活化過程中,纖維中海藻粉末吸附銀離子的性能。分享友人