有化學活性的 的英文怎麼說
中文拼音 [yǒuhuàxuéhuóxìngde]
有化學活性的
英文
aggressive- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 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...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 的 : 4次方是 The fourth power of 2 is direction
- 活性 : [化學] activity; active; activated活性肥料 active fertilizer; 活性酵母 active dry yeast; 活性粘土...
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The results indicated that the synthetic mviia was reduced and oxidized in a buffer containing acetamide / guanidine hydrochloride by air oxidization in the room temperature and obtained a relatively well oxidization result, the synthetic mviia showed 100 % of physiological activity of native mviia, but obtained 1 % product of synthetic crude peptide
結果表明,合成的mviia在乙酸胺/鹽酸胍緩沖體系,室溫下採用空氣氧化法時獲得了較好的復性結果,合成復性的mviia幾乎具有天然mviia的100的生物學活性,但產率只有1左右。The first part of this study is polyphasic taxonomy analysis of the thirteen strains which have herbicidal activities. the polyphasic taxonomy methods include morphology, cytochemistry, dna g + c mol %, phylogenetic analysis of 16s rdna sequences and physiological and biochemical experiments
本實驗的第一部分對具有除草活性的13株放線菌( 40001 40013 )進行了系統的多相分類研究,採用了形態學、細胞化學組分、 dnag + cmol 、 16srdna序列分析及生理生化實驗等技術方法。The change of agglutinating activity, cd spectrum and fls of lra in different temperature, ph and different chemicals indicated that lra had partial hemagglutinating activity at ph2. 0 ( 50 % ), a temperature above 100 ( 60 % ) and after modified by n - bromosuccinimide ( mbs ), the activity lost completely, modified by depc, the lra had a little activity, the other groups modified such as arg, tyr, glu, asp did n ' t effect the hemagglutinating activity of lra. the result indicated that trp residues were essential to the hemagglutinating activity and were involved in carbohydrate - binding site
研究不同溫度、 ph和基團特異性化學修飾后lra凝血活性和促淋巴細胞有絲分裂的變化、圓二色譜和熒光光譜的變化,當溫度達80以上時,活性開始下降,到100時活性有60 %保留:當ph為2時,活性保留50 % , ph為4一12對活性的影響不大;用nbs修飾trp后, t即的旦一叫睬基的破壞使活性完全喪失,表明trp對凝血活性是至關重要的, arg 、 tyr 、 glu 、 asp被修飾后, lra的凝血活性並未受到大的影響,但tyr修飾后lra的促有絲分裂活性降低But in contrast of the research of chemical weathering of other rocks, such as granites and basalts, the research of chemical weathering of black shales both in width and depth still remains much to advance. after reading and investigating widely, we selected lower - cambrian black shales and their weathering profiles in hunan province as research objects of our work at first. then, based on field investigation of weathering status of lower - cambrian black shales and it ' s relationship with soil composition and human activities in hunan, we studied changes of chemical composition such as major and trace elements before and after weathering of black shales by comparison
根據文獻閱讀和野外調查,本文選擇了湖南安化、桃江、望城等地下寒武統黑色頁巖及有關風化剖面作為研究對象,並在查明湖南下寒武統黑色頁巖的風化現狀及其與土壤組成、人類活動的關系的基礎上,對比研究了黑色頁巖風化前後主量和微量元素等化學組成的變化,探討了元素的富集和遷移轉化機制以及黑色頁巖風化與區域環境質量的關系,得出了如下幾點主要成果和認識: ( 1 ) ti是黑色頁巖風化過程中的「不活動」元素,可作為參照元素,對其它元素的活動性進行質量平衡計算。The expressed apoe protein in central neuronal system functions potentially in deposition and clearance of amyloidal peptide, sustaining the stabilization of microtubule proteins, cellular signal transduction, immune regulation, glucose metabolism and oxidation stress. apoe plays a key biological active role in vivo
中樞神經系統中的apoe對腦組織澱粉樣蛋白的沉積與清除、微管蛋白穩定性的維持、細胞信號轉導、免疫調節、葡萄糖代謝、氧化應激等都有潛在的作用, apoe在體內發揮十分重要的生物學活性。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。In the present study, a compartment cultivation system and histochemical staining were used to investigate the influence of soil available p level, plant p status and soil organic p on the growth and metabolic activity of am fungi. differences in metabolic activity among am fungal isolates and the relationship between metabolic activity and mycorrhizal effectiveness were al so investigated. in addition, am fungi from a wide range of environmental conditions ( originally isolated from north, central and south china ) were used to study the ecological adaptability of am fungi and the influence of edaphic conditions on am fungal growth and metabolic activity
本研究採用分室根箱、組織化學等手段研究了土壤施磷水平、植物磷營養狀況、土壤有機磷對am真菌生長和代謝活性的影響;不同am真菌的代謝活性及其與菌根效應之間的關系,並對我國華北、華中和華南地區篩選出的高效菌株進行了生態適應性的比較,以期在理論上闡述宿主植物生長狀況及土壤條件對菌根真菌生長和代謝活性的調控機制,篩選出具有廣泛生態適應性的am菌株。A. the preparation of sliding ink for plastic printing. b., widely used in ht e preparation of double components epoxy paint and epoxy adhesive, the curing matter own fine mechanical and electrochemical property ; it is also applied in the manufacture of low temp
B二聚酸與多元胺反應生成具有活性胺基的聚酰胺,廣泛應用於製造雙組份環氧油漆及環氧粘結劑,固化物具有良好的機械電化學等性能。The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins
將帶有hwtx -基因的ppic9k經blgii線性化后,轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌,進一步用遺傳毒素g418篩選多拷貝的轉化菌株,命名為gh1 ;將gh1甲醇酵母菌用0 . 5的甲醇誘導表達,發酵上清經90飽和度的( nh _ 4 ) _ 2so _ 4沉澱, yw - 3 ( mwc03000 )的超濾膜超濾,再經cm陽離子交換, c _ ( 18 )反相hplc純化得到分子量為4kd左右的組分,其中4289 . 05的組分經質譜鑒定,氨基酸組成分析和序列測定為正確的表達產物,生物學活性表明其活性為天然毒素活性70 % ,表達量為80mg / l 。Specific pichia clony pcr product showed that foreign phytase gene was integrated into the host cell. the experimental results from flask fermentation and phytase activity assay indicated that phytase gene was effectively expressed by the recombinant pichia
挑選轉化子經過bmgy搖瓶培養、 bmmy誘導發酵后,用釩鋁酸按法測定了表達產物的酶活性,結果表明重組菌株可有效表達具有生物學活性的植酸酶。The results of treatments with different concentration of phosphate in the present study indicated, whether boea leaves were treated before desiccation or during rehydration, and whether they were intact leaves, leaf halves or leaf discs, the boea leaves were injured and their photochemical activity of psii were serious affected by treatment with 0. 1mol / l phosphate or over, thus resulted in poor resurrection for dehydrated boea leaves. the photochemical activity of psii was a sensitive parameter of physiological activities for boea leaves during dehydration and rehydration
本文利用不同濃度的磷酸鹽溶液處理牛耳草葉片,結果發現,不論是在乾燥前還是在復甦時處理,也不論是處理牛耳草整葉、半葉還是葉圓片, 0 . 1mol l以上的磷酸鹽溶液都對牛耳草葉片具有損傷作用,極大的影響了其光系統的光化學活性,使得牛耳草葉片在脫水后不能很好的復甦。Study on preparation of rice husk ash with high specific surface area and its chemical reactivity
具有高比表面積的稻殼灰的制備及其化學活性的研究Both of the two ways can reach fb5b standard of tdk company. the coercive force of strontium permagnetferrite can be improved when a12o3 or cr2o3 was added to caco3 - sio2 or caco3 - hbo3 multi - additives. ( 4 ) comparing with normal caco3 and sio2, the nano caco3 and sio2 improve the magnetic. for the nano caco3 and sio2 have high chemical activations and excellent distribution, the density of permagnetferrite can be improved and the sinter temperature of it can be reduced
納米caco _ 3 、 sio _ 2與普通caco _ 3 、 sio _ 2加入相比,鍶鐵氧體永磁獲得的最佳磁性能高,獲得最佳磁性能的添加量范圍變寬,即納米caco _ 3 、 sio _ 2提高了磁性能的穩定性,有利於大生產時鍶鐵氧體永磁的磁性能的穩定,對生產有重要的指導四川大學碩士論文意義;由於納米caco3 、 510 :分佈更均勻,具有高的化學活性,降低了銘鐵氧體永磁的最佳燒結溫度,提高了銘鐵氧體永磁的燒結密度,因而增大了caco3 、 510 :添加劑對銘鐵氧體永磁的改性效果。From the results of the experiment, we can see that simultaneity electrochemical polymerization of 3 - pyrrole - dna and 3 - [ 2, 5, 8, 11 - tetraoxa - tridecyl - 13 - ol ] - pyrrole was a new promising method for preparing dna chips because this method had such following advantages : first, the immobilization procedure can be controlled easily. second, with the progress of microelectronics, the miniaturization and integraterization of polypyrrole - based dna chip can be achieved in the future ; third, using an electrochemical active compound like the mb, the hybridization detection will be performed more easily
從以上實驗結果可看出,電化學聚吡咯方法制備dna晶元和傳統的方法相比具有下列優越性:首先,固定可通過電化學信號控制和完成,操作簡單易行;其次,微電子技術和電化學的進一步結合,可以提高晶元的集成程度,將dna晶元進一步向產業化方向推進;第三,通過應用電化學活性物質,有望建立無標記的dna晶元檢測技術,有利於減少環境污染、提高靈敏度、降低成本。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景The sol - gel film showed the excellent chemical and electrochemical properties as well as kept the quality electrochemical activity of those immobilized redox molecules. the modified molecules took place the typical adsorption controlled electrochemical reaction, and furthermore, the modified methylene blue gave the obviously electrochemical catalytic affection on oxidation of nadh or reduction of hemoglobin if they were immobilized in the film meanwhile
同時以硅溶膠?凝膠膜為載體制得化學修飾電極,用sol - gel法在金電極上固定亞甲藍、硫堇及茜素s ,發現固定於納米溶膠?凝膠膜內的亞甲藍和硫堇均有良好的電化學活性,對同時固定於膜內的nadh 、血紅蛋白等生物分子產生顯著的催化氧化還原作用。The sem and electrochemical studies showed that the composite film exhibited more compact structure and lower electrochemical activity than polyaniline film. the glucose biosensor based on the polyaniline / polyisoprene composite film showed high selectivity
掃描電鏡和電化學研究表明,該復合膜與聚苯胺膜相比,具有較緊密的結構和較低的電化學活性。Continuous sic fiber reinforced titanium matrix composites hold immense potential for advanced aircraft and aerospace structural applications. however, due to the high reactivity of titanium, brittle reactive products at fiber / matrix interface are easy to form and may lead to a degradation of the mechanical properties of sic / ti composites
Sic纖維增強ti基復合材料在航空航天領域有重要的應用前景,但由於ti的化學活性大,在復合材料的sic - ti界面處存在嚴重的界面化學反應,會極大的損害sic ti基復合材料的力學性能。It has discovered for the first time that the precursor b - ni1 - xcox ( oh ) 2, with pluffy and dendritic morphology, high specific surface area and low tap density, is the best starting material to produce lini1 - xcoxo2 materials, but not the presently thought that high density and spherical particle of ni ( oh ) 2 is fitting for the preparation of ni - cathode materials. using our own precursor can greatly reduce the degree of cation mixing ; improve the electrochemical properties of the aimed materials
發現表面蓬鬆、比表面積高和密度低、呈枝晶狀排列的- ni _ ( 1 - x ) co _ x ( oh ) _ 2前驅體具有較高的化學活性,制得的目標材料可有效抑制陽離子混排產物的生成,而非目前廣泛認為的高密度球形ni ( oh ) _ 2適合作鎳系正極材料的前驅體。Chapter 4 : nugh determinations of cyclic voltarnmetry and diff pulse voltammetry their electrochemical properties are studied. we find that each of them has nice electrochemical properties and reversible redox properties. whereaftef, we obtain some beneficiai conclusions via comparison and analysis
第四章對它們的電化學活性進行了研究,通過循環伏安法,差分脈沖伏安法測試,發現該系列化合物都具有電化學活性,且具有良好的氧化還原可逆性。分享友人