高度酸性的 的英文怎麼說
中文拼音 [gāodùsuānxìngde]
高度酸性的
英文
highly acid- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 酸 : 酸構詞成分。
- 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
- 高度 : altitudeheightelevation
- 酸性 : [化學] acidity; acidness; acerbic; acidic property酸性材料 acid material; 酸性促進劑 acid acceler...
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The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %
結果表明,在實驗條件下,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投量的增加而提高;原水藻類數量影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低;通過殺藻效果、經濟性以及安全性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻劑的優劣程度從優到劣排序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加量為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。Ammonifiers in suzhou creek can not use inorganic nitrogen and carbamide as nitrogen source ; additional carbon source and garbage lixivium have little influence on ammonifiers growth ; high content of salt and low temperature restrain ammonifiers growth ; alkalescent condition has little influence on ammonifiers, but acidic condition restrain ammonifiers growth ; the biomass of ammonifiers are not necessary correlated with the function of ammonifiers, adding glucose with 1g / l content into the water sample obviously promote the growth and function of ammonifiers. physiological groups of bacteria play significant role in the translation and
蘇州河的氨化菌無法利用無機氮和尿素作為氮源;在營養條件充足時添加額外c源和富含有機物的垃圾浸出液對氨化菌的生長基本無影響;高鹽度和低溫抑制氨化菌生長;堿性條件對氨化菌的生長影響不大,酸性條件對氨化菌生長具有抑制作用;氨化菌生物量的消長與轉氨活性之間不存在必然聯系, 1g / l的葡萄糖對蘇州河水樣中氨化菌的數量和轉氨功能具有明顯的促進作用。Our previous studies showed existence of apoplast cam in the plant cell and cam had many extracellular functions. so it supposed cam may be one of important extracellular polypeptides and trigger the intracellular signal transduction by binding the receptor. in this study, radiolabelled ligand is used to investigate the binding characteristic of cam and a. thaliana protoplasts. and chemical crosslinking is employed to explore binding proteins in the membrane. at first, ( 35 ) ~ s - cam was produced using ( 35 ) ~ s - labeled amino acid mixture in e. coli. sds - page and autoradiograph indicated high - purified, high - specific radioactivity ( 35 ) ~ s - cam was obtained. electrophoresis of ( 35 ) ~ s - cam is the same as that of unlabeled cam with ca ~ ( 2 + ) or egta ; a quatitive of protoplasts was prepared by enzymolysis
首先,用~ ( 35 ) s標記的氨基酸混合物喂養工程菌成功地制備了~ ( 35 ) s標記的擬南芥鈣調素( ~ ( 35 ) s - cam ) , ~ ( 35 ) s - cam純度高、放射活度高、 ca ~ ( 2 + )與egta存在時的電泳行為與未標記cam相同,可作為一種高靈敏性的探針用於進行受體學分析實驗;用擬南芥種子誘導愈傷,通過酶解制備了大量原生質體。This product is the newest filming technique, the latest achievement of usa electronic magic, it utilizes decomposition principle of electronic material to form a positive negative ions film on the surface of car coating, which has high water repellency and makes the surface of coat has more than 95 % brightness of mirror surface, lt has preeminent performance on weathering resistance, ageing resistance, oxidation resistance static resistance and wear resistance, with the force of charged ions, this product can easy removes the dirt, water drop acid rain and grease on the surface of the film and perennially and effectively protect coat surface, lt is the fourth generation car beauty and protective product which replaces glaze sealing products
本品屬于當今最新的鍍膜技術,屬美國電子工學魔法的最新成果,它利用電子物質的分解原理,在車漆表面生成持有高撥水性的正負離子覆膜,使漆面光亮度可達鏡面光澤的95 %以上,並具有超強的耐候性、抗老化、防氧化、防靜電、耐磨性極好的功能,它利用電離子的力量,可輕松彈去覆膜表面的污垢、水滴、酸雨、油脂等,平時只需清水沖洗,便可立即使之恢復離子效應,達到長期保護漆面的目的,是取代封釉的第四代汽車美容保護產品。It can germinate at 0 ? and develop at 3 - 5 c even suffer from chilliness of - 21 c. at the fifth or sixth year, it ablooms at july, fruits at august or september. when the seeds are scattered by wind, the plant turn to death
其自然生長環境的土壤偏酸性,有機質含量極低,氣候多變,最高月平均溫度3 5 ,最低月平均溫- 19 - 21 ,年降水量800mm ,無霜期僅有50d左右。The rising temperature in the cave, the lamp - light ' s toasting and the convictive air made the humidity of the whole or part of the cave descend, which made the speleothem sightseeing dry, cracked and weathering. the acid air from the outer and the highly dense co2 would cause acid erode action to the speleothem sightseeing with water vapor. the existence of lamp - light offered a good chance for the lightloving plant to grow up, thus a lot of bryophyte covered the speleothem sightseeing
洞穴升溫、燈光的烘烤及空氣的對流致使洞穴濕度或局部濕度降低,使景觀產生乾裂、風化;氣流帶入的洞外酸性氣體及高濃度co _ 2在高濕的條件下,結合水汽對洞穴景觀產生酸侵蝕作用;燈光的存在為燈光植物生長提供了條件,使大量的苔蘚類植物生長于鐘乳類景觀的表面;洞外大氣粉塵的進入,給洞穴帶來了非常嚴重的破壞,粉塵在洞內高濕的環境下大量沉降,附著于鐘乳類景觀的表面,致使受污染面發黑,毫無光澤。The base ratio of 1 : 1 for the bases adenine and thymine and the bases cytosine and guanine was the first clue to the specificity of base pairing in the nucleic acids
在核酸中的堿基配對高度專一性的原則決定了腺嘌呤與胸腺嘧啶,或鳥嘌呤與胞嘧啶之間的比值為1 : 1 。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。Abstract : methanesulfonic acid method was used to prepare five acylated chitins. except heptanoyl chitin, four of them, i. e. acetyl chitin, propionyl chitin, butyryl chitin and hexanoyl chitin, had high degree of substitution ( from 1. 5 to 2. 0 ) and exhibited lyotropic liquid crystalline behavior and cholesteric phase. as the length of the side chain increased the critical concentration ( w / w ) somewhat increased from 0. 21 to 0. 26 because the chain rigidity dropped. the critical concentration values of all the four derivatives were much higher than that of chitin ( 0. 12 ) due to the decrease of intramolecular hydrogen bonds. the four acylated chitin can form typical banded texture after being sheared. there minimum concentrations to form banded texture of them were evidently different, varied from 0. 25 ( for acetyl chitin ) to 0. 37 ( for hexanoyl chitin ). these results further indicated that liquid crystallinity decreased while the length of flexible side substituents increased
文摘:四種羧酰化甲殼素即乙酰化、丙酰化、丁酰化和己酰化甲殼素在二氯乙酸溶液中均呈現膽甾型溶致液晶相.臨界濃度隨側基長度增加而略有增加,衍生物的臨界濃度明顯都比原甲殼素高許多,這些規律都可以用鏈剛性的變化來解釋.四種羧酰化甲殼素在剪切時均能形成條帶織構,而且能形成條帶織構的最低濃度有明顯差別,隨側基長度增加而提高,進一步表明側基較長,液晶性減少Strain mrv and strain cvs are belong to the same genotype. however, strain mrv, ctn and cnx8511 are belong to different sub - genotype. finally, this researched also proved that the character of neuron tropism rabies viruses by comparison and analysis the homologies of amino acid sequence between 189 - 214 position and the bonding segment of snake venom curaremimetic neurotoxims and acetylcholine
從計算機建立的各毒株系統樹分析, mrv和cvs屬於一個基因亞型,和我國減毒株ctn以及人源野毒株cnx8511屬于不同的亞型,並且證明了189 - 214位氨基酸序列與蛇神經毒素同乙酰膽堿結合部位的序列具有高度的同源性,說明狂犬病病毒的嗜神經特點。Only the perchlorate shows marked sensitiveness and possibly initiating properties.
只有高氯酸鹽表現有顯著的感度和可能具有起爆性能。Using a pair of degenerate primers based on the conservative region, hmg - box, of human sry gene, tow different fragments of sox gene, essox3 and essox22 were amplified from female and male eriocheir sinensis, the sequence results indicated that essox3 and essox22 shown high homology to human sox genes, and the identities to human sox genes in dna sequence and amino acid sequence are 84 % 、 85 % and 97 % 、 81 %, respectively. it might be concluded that sox gene was highly conservative in phylogenesis
二、研究論文1 、參照人sry基因hmg - box保守區的序列,設計一對兼并引物, pcr擴增了中華絨螯蟹的sox基因,並對擴增產物進行了克隆和測序。結果在雌雄個體中篩選出兩個不同的sox基因essox3和essox22 ,其dna序列和編碼的氨基酸序列與人相應sox基因的相似性分別為84 % 、 85 %和97 % 、 81 % ,顯示該基因在進化上具高度的保守性。Sds - page results showed that as to mut + recombinant highest yield was obtained after 4 days inducing and with the culture time prolonged it reduced. pokeweed antiviral protein gene expressed well when methanol concentration reached 10g / l. pokeweed antiviral protein obtained high yield in thin acidic culture medium ( ph6. 0 - 6. 4 ) and its quantity in total mass of secrete protein exceeded 30 %
Sds - page分析結果表明, mut ~ +組菌株在甲醇誘導第四天後pap在培養液中積累量達到最高水平,延長培養時間會導致產量下降;在10g / l的甲醇濃度誘導下, pap的表達量達到最高;培養基ph值在偏酸性條件下( 6 . 0 - 6 . 4 ) pap的表達量都維持在較高的水平。Was multiplied and the tk gene was cloned. the cloned tk gene was retrieved by proper restrictive hemodynamics. the retrieved tk gene was labeled by digoxin according to the kit of labeling and detection of digoxin. then, the specificity and sensitivity of tk gene probe were detected with dot blot hybridization. the sequence of tk gene of nm98a strain was analysed. the result of the analysis of tk gene ' s sequence confirmed that autoploidy between tk gene of nm - 98a strain and issued strain was 99. 7 %
本研究中首次對iltv - nm98a株的tk基因進行了克隆和序列分析,結果表明: iltv - nm98a株tk基因的核苷酸序列與已發表的iltvtk基因的核苷酸序列具有高度的同源性,兩者之間僅相差4個核苷酸,同源性高達99 . 7 ,從而證實了iltvtk基因是高度保守的,為iltvtk基因核酸探針的制備提供了有力的依據。Pour in the bleaching solution at 20 ? c / 68 ? f, the bleach, being strongly acid, stops development almost instantly, and after about 30 seconds, the lid may be removed from the tank and the remainder of the process carried out in room lighting
倒入20 ? c / 68 ? f的漂白溶液,這漂白液,是高度酸性的,幾乎立刻就停止顯影,大約30秒鐘之後,片罐的蓋子可以移去,剩下的沖洗過程可以在室內光線下進行。The food the stomach deliver to me is highly acid.
胃傳送給我的食物是高度酸性的。Similar to ap2 in arabidopsis, hap2 have a highly basic 10 - amino acid domain that includes a putative nuclear located sequence kksr
類似於擬南芥的a類基因apz , hapz亦含有10個氨基酸長的高度堿性的區域,該區域具有核定位信號kksr 。The high sensitivity and good selectivity were accomplished in the determination of the dopamine due to the selective penetration and the accumulative effect of the. polyglycine membrane
利用聚甘氨酸膜的選擇滲透性和富集作用,研製了高靈敏度和高選擇性的多巴胺生物傳感器。One theory is that martian water is highly acidic, which could lower its freezing point to a temperature below those found on the red planet
有一種理論認為火星水是高酸性的,它們的冰點低於火星溫度。分享友人