相對酸度 的英文怎麼說

中文拼音 [xiāngduìsuān]
相對酸度 英文
relative acidity
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 酸構詞成分。
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 酸度 : [化學] acidity酸度計 acidimeter; acidometer; 酸度檢定 acidity test; 酸度控制 acidity control; 酸...
  1. 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的上升呈有規律的變化:隨海拔高上升,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升高而應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈性或微性,並隨海拔上升, ph值略微降低,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值和鹽基飽和呈極顯著正關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量比較穩定,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 。
  2. Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys

    開創性地用預燒結? ?洗工藝制備了同粒、不同beo含量的鈹粉,從而開展了beo含量單獨鈹材_ ( mys )影響的研究,得出一些新的結果:與beo含量比, beo在鈹中的分佈狀態_ ( mys )的影響更大。沿晶界、晶內彌散分佈的較細小beo基體鈹有彌散強化作用,使_ ( mys )即較高;如果beo較粗大地成簇狀聚集在晶界,反而_ ( mys )有不良的影響。
  3. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明:有機硅聚合物-聚丙烯酯梯膜有一個較寬的玻璃化轉變溫區,玻璃化轉變范圍組分材料的玻璃化轉變范圍發生了擴展:有機硅聚合物-聚甲基丙烯酯梯膜具有較好的熱學性能;硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  4. With 24 c or 4 c, the change trends of the content of the salidroside was basically consentaneous in the consecutive cultural eras of the callus. in the callus from the different explants, the influence was maximal to the the activity of pal enzyme and the influence was lowest to the the activity of ca4h enzyme, and the influence to the the activity of tal enzyme was ascertained according to the explant of the callus. so in the same explant with the different temperature or in the different explant with the same temperature, there was no incident between the content of the salidroside and the activity of enzymes pal, ca4h and tal, and we presumed that there may be emphasized particularly on different metabolic pathway of salidroside

    ( 2 ) 、愈傷組織的外植體來源、培養溫條件和不同的繼代培養數都影響著其中紅景天甙的含量和苯丙氨解氨酶( pal ) 、肉桂解氨酶( ca4h )和酪氨解氨酶( tal )這3種酶的活性;不管是葉來源還是莖來源,不管是24培養還是4培養的愈傷組織,在連續繼代培養中紅景天甙含量的變化趨勢基本上是一致的;無論是葉來源的愈傷組織還是莖來源的愈傷組織,培養溫pal酶的酶活性影響最大,ca4h酶的酶活性影響最小,tal酶的酶活性影響視不同的外植體來源而定;在同外植體來源的愈傷組織中及不同的培養溫的條件下,或是在不同外植體來源的愈傷組織中及同溫的培養條件下,其紅景天甙含量與pal酶、 ca4h酶和tal酶的酶活性之間沒有完全一致的應伴隨關系。
  5. Relative colour degree of humus acid

    腐殖
  6. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法,建立了適合醇-羧等系列二元體系的單參數margules方程,本文醇-羧系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據模型進行了檢驗,另外,本文利用理想狀態模型一個三元體系18烷-月桂-硬酯圖進行預測,通過與實驗數據進行比較,預測的低共熔溫與實驗測定溫較為吻合,其誤差為0 . 51 ,這將為快速獲取多元體系的變材料提供預測方法。
  7. In this thesis, aragonite whisker was synthesized by introducing co2 into ca ( oh ) 2 suspension mixed with mgcl2. the hyphenated technique of microscope - microcomputer was used to examine the morphology and microstructure of the products. the effects of reaction temperature, concentration of mgcl2, ph value of the initial suspension, flow velocity of co2, and stirring strength on the formation of the polymorphs of calcium carbonate were examined

    本文利用改進的碳化法制備了文石鈣晶須,採用高倍顯微鏡一計算機聯用技術、掃描電鏡和x射線衍射儀進行產品形貌觀察和晶型分析,討論了溫、 mgcl _ 2濃、初始ph值、 co _ 2的流速、攪拌速等因素制備文石鈣晶須的影響。
  8. Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously

    本文通過研究hno _ 3 - hf反萃和稀釋有機後用濃hno _ 3反萃這兩種分離方法,認為hno _ 3 - hf反萃由於在加熱去除hf時不易控制,導致鋯的部分水解,因而此方法不宜用於icp - ms中,然而稀釋有機後用濃hno _ 3反萃法用於icp - ms測量中,全程回收率為93 . 2 ,標準偏差為5 . 24 ,鈾的一次去污因子為3 . 2 10 ~ 4 ,鋯的測定下限為0 . 04ng / ml ,本文首次將tta萃取分離鈾中鋯用於icp - ms測量中,結果令人滿意,此方法適用於快速、準確測量鈾產品中微量鋯。
  9. Since 1980s, non - seismic geophysical instrumentation has achieved great progress in its acquisition accuracy, gathering styles and diversification of parameters, which provides new approaches for petroleum exploration in the newly developed area of western china and southern marine carbonate area, and also makes higher demands on data processing and inter pretation

    摘要20世紀80年代以來,非地震地球物理勘探儀器有了長足的進步,採集精的提高,採集手段與參數的多樣化,為我國西部新區和南方海鹽巖地區的油氣勘探提供了新的方法和途徑,同時數據處理與解釋也提出了更高的要求。
  10. Results of experiments on antibacterial and antifungal activities showed that extracts of alcohol and acetic ester had remarkable bacteriostasis effects against 6 bacteria ; aqueous extract was more effective against fungi, and slight against bacteria ; petroleum ether extract had no effect against bacteria and fungi ; butylalcohol extract had different effects against bacteria, but had no effects against fungi

    抑制活性試驗結果顯示:乙醇提取物和乙乙酯萃取物供試的6種細菌有較強的抑制作用;水供試的5種真菌有較強的抑制作用,而且細菌有較小抑制作用;石油醚真菌和細菌幾乎無抑制作用;正丁醇萃取物細菌有不同程的抑制作用,而真菌無抑制作用。
  11. The experimental results further demonstrate that the combination of incompatibility polydimethylsiloxane and polyacrylate by co - vulcanization improves the both compatibility and broadens the low temperature and high temperature functional region. while in sin, to improve microphase structures and damping properties, the design to increase compatibility between two compositions and modulate crosslinking density as well as relative reaction rate of two compositions, is also effective

    以上實驗結果表明,在復合橡膠阻尼材料中將聚硅氧烷與聚丙烯酯通過共混硫化結合,改進了二者的容性,拓寬了其阻尼功能區的低溫和高溫溫域;而在sin中通過改善組四川大學博士學位論文分間容性,調節交聯密控制其微結構和兩種組分反應速的快慢,進而控制材料阻尼性能的設計是行之有效的。
  12. Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions

    細胞色素b基因序列變異分析表明: 1 )雁形目鳥類細胞色素b基因全序列長一致,無插入和缺失:照雞線粒體密碼子系統全序列能全部翻譯成氨基序列,無無義突變,全序列內部無終止密碼子; 2 )序列比后1143加,含416個核著變異位點, 306個簡約信息位點,其中處於密碼子第三位的變異最大,第一位和第二位堿基的變異較小。
  13. It is noted that no displacement of ft ~ lr adsorption of rnse occurred after the preparation of lb film compared wtth that prior to the preparation. wth the thickness of lb filin incrasing, the peak value of adsorption is of the tendency of increasing which indhates that lb film can deposit even and effeetively

    Hihb的成膜性能及吸附蛋白質的研究( l )用langmuirra天平研究了不岡的亞hihb成膜性能的影響,結采腦刃,堿性亞中hihb的成膜性能較佳。
  14. Relative bioavailability of flunarizine hydrochloride capsules

    氟桂利嗪膠囊人體生物利用研究
  15. Chondroitin sulfate a ( c4s ), as a kind of endogenetic urinary macromolecule, not only increased the supersaturation of cac2o4 in solution, but also inhibited the two - dimensional growth and aggregation of com crystals. the growth of calcium oxalate crystals was influenced by surface pressure beneath dppc monolayer film. there were some crystals which have the same appearance as com crystals obtained from pure water system when monolayer surface pressure was hold 1, 10 and 30 mn / m while those growth at 20 mn / m were perfect orderly induced by dppc monolayer

    生物大分子c _ 4s作為一種內源性的尿大分子,它不僅從熱力學上提高ca ~ ( 2 + )在尿液中存在的濃,使體系中cac _ 2o _ 4保持較高的過飽和,降低草鈣結石成核的可能性;而且在晶體生長時,抑制com晶體晶面的二維生長和晶體聚集。
  16. The hydrolysis reaction of tetrabutyl titanate in adsorption was special because the reactor was nanophase, the mechanics of hydrolysis reaction had three characteristics : ( 1 ) the hydrolysis reaction rate of tetrabutyl titanate was small ; ( 2 ) the hydrolysis reaction in adsorption layer had three process, the influence of temperature on the last two process was small and different ; ( 3 ) the diffusion rate was the most insensitive to temperature

    吸附反應技術中使用的反應器是納米級的吸附層,因而吸附層中的鈦丁酯水解反應也與傳統的液法有著不同的機理:水解反應的速率較小;吸附層的鈦丁酯水解反應分成三個階段,后兩個反應都不敏感且敏感性也不同;擴散速率的敏感性最小。
  17. The polyurethane ( pu ) membranes modified with silk fibroin ( sf ), made from sf protein and liquid prepolymer with terminal - isocyanate groups, were obtained by the process of prepolymer having reaction on the surface of sf membranes and then controlling the moisture of system and the solution conditions

    摘要以再生絲素蛋白和液狀端異氰酯基預聚物為原料,使預聚物在絲素膜界面發生化學反應,再通過控制和溶解條件,制備了絲素改性聚氨酯膜。
  18. Maleic anhydride is a white needle - like, briquette or flaky crystalline with irritant odour and sour, inflammable and sublimating. it can be freely dissolved in water to form maleic acid. it has a specific density of 1. 480, a melting point of 52. 85

    順酐(又稱馬來酐)為無色針狀或片狀結晶,有刺激性氣味與味,易燃,升華,易溶於水生成順丁烯二為1
  19. Relative strength of acids and bases

    堿的
  20. It can be soluble in water, feeble soluble in hcl and naoh, hardly soluble in alcohol

    3 . 09 %溶於水,微溶於鹽、硝,極微溶於醇。
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