酸堿度表 的英文怎麼說

中文拼音 [suānjiǎnbiǎo]
酸堿度表 英文
ph meter
  • : 酸構詞成分。
  • : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  1. Study on the isolated bacteriocin ' s property shows that the bacteriocin has good stability against temperature and ph. the antimicrobial activity is not influenced disposed for 10 minutes under 80, and only 13 % loss of activity is suffered under the temperature of 100 for 10min

    對分離出的細菌素的性質研究明,細菌素具有較好的熱穩定性和穩定性,在溫80處理10min對活性沒有影響, 100處理10min活性僅損失13 ,在ph3 - 10的范圍內活性變化不大。
  2. Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid , methylacrylic acid , esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water , anti acidity or bascity and brightness in the products of same type

    以丙烯、丙烯酯、甲基丙烯、甲基丙烯酯等作為基料,在引發劑的存在下,以水或醇作溶劑進行聚合,加入苯乙烯、醋乙烯等改性,合成了3種不同的水溶性丙烯改性樹脂,並對其性能進行了測定.結果明:這3種樹脂的粘、水溶解性、乾燥后膜的吸脹性、抗性、光亮等性能均優于同類產品
  3. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深、孔隙、毛細吸水和滲透系數、持水量、抗壓強、抗鉆強、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、腐蝕后抗壓強的衰減、可溶鹽對保護效果的影響、及光照對面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和面防護中的可行性和保護效果給予了系統研究。
  4. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究:無氮培養條件下,測定溫、碳源、、滲透壓對w12生長及固氮能力的影響,結果明,在15 - 40下均能生長並達固氮酶活性,其最適生長及固氮的溫為25 - 35 ;能利用葡萄糖、蔗糖、蘋果、甘露醇等多種碳源生長並固氮,當培養基中同時存在蔗糖和蘋果時,細菌生長和固氮活性最強;在偏和偏的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長勢和較高的固氮酶活性,並能通過調節自身代謝平衡並適應環境的性變化,使培養液趨于中性:能耐受較高的滲透壓,培養液中卜、 5 naci濃對其生長和固氮酶活性影響不大,當naci濃升至2時,菌株的生長勢及固氮酶活性才有所下降:低濃的鉸對其固氮酶活性影響不大,在0
  5. Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge

    主要產品包括:數字壓力,數字膜盒壓力,數字溫,數字壓力變送器,數字溫變送器,數字液位計,數字防爆電接點壓力,一般用壓力真空壓力真空氧氣電接點壓力防爆電接點壓力耐震電接點氨用電接點磁助式電接點壓力耐震耐高溫耐耐氯耐硫全不銹鋼壓力隔膜壓力沈陽市優質產品精密壓力出風壓力膜盒壓力膜片壓力全不銹鋼膜片壓力鈦壓力及出口全不銹鋼,充油全不銹鋼系列壓力,壓差,壓力變送器,各種軸向軸向帶邊法蘭連接等多種形式。
  6. 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:對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 )序列比對后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,第一位和第二位基的變異相對較小。
  7. The expression efficiency difference between ped5 and pcdhfrl, a vector utilizing cmv enhancer / promoter ( pcmv - ie ) for foreign protein production, was analyzed using human interferon - p ( ifn - ) gene and human secreted alkaline phosphatase ( seap ) gene as reporters. when analyzed in transient expression, ped5 showed a little more protein produciton than pcdhfrl. however, in continuous expression, when serum concentration was lessened to slow down cell proliferation, ped5 expressed 3. 1 times more reporter proteins than pcdhfrl, which implied that pef - io was less affected by cell cycle status in contrast to pcmv - ie, making ped5 a good expression vector for foreign protein production

    應用人-干擾素( ifn - )和人分泌型性磷酶( seap )基因作為報告基因,對含有巨細胞病毒即早期啟動子( p _ ( cmv - ie ) )的達載體pcdhfr1和ped5達外源蛋白的能力進行了比較,發現對于瞬時達, ped5略好於pcdhfr1 ;在穩定達中,通過降低血清濃,使細胞增殖緩慢,這時ped5達外源蛋白的能力較pcdhfr1高3 . 1倍。
  8. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  9. Hydrophobicity analysis suggested that the v - h + - atpase subunit c from 5. salsa was a transmembrane protein with four transmembrane domains. earlier experiments indicated the conserve glutamyl residue in the fourth transmembrane domains might participate in the proton translocating across the membranes

    鹽地蓬液泡膜h ~ + - atpasec亞基第四個跨膜區存在高保守的谷氨殘基,先前的研究明此谷氨殘基可能與h ~ +跨脂雙層運輸有關。
  10. The experimental results indicated that the colour - changing ranges got narrow, and the titration accuracy was increased when an appropriate surfactant micellar solution was chosen as a titration medium

    實驗結果明,面活性劑存在時,指示劑的離解平衡及其變色范圍將發生改變,選擇適當的膠束溶液作為滴定介質,可以擴大指示劑的應用范圍,同時也可以提高滴定的準確
  11. Results the study had revealed that not only the bone tubular and the degree of mineralization, but also the activity expression of alkaline phosphatase of osteoblasts in fluoride group were better than the control group

    結果研究發現氟組成骨細胞不僅其礦化結節和礦化程,而且其性磷酶活性達都要早於對照組。
  12. Analysis of species diversity and soil factors by single factor and stepwise regression revealed soil moisture, soil salt and soil ph have significant effects on species diversity ( / j < 0. 01 )

    分別對物種多樣性和土壤指標進行了單因子和多元逐步回歸分析,結果明,土壤水分、鹽分和對物種多樣性有顯著影響( p < o 01 ) 。
  13. The results shows that the micro particle acidic proteinase is characterized by excellent heat satiability and resistance against acid, choline and high concentration meal ions

    結果明,微丸型性蛋白酶具有良好的耐熱性以及在預混料中耐、膽、高濃金屬離子等性能。
  14. The experiment indicated that the technology process can acquire pricklyash seed oil whose acidity is appropriate at the level of losing, meanwhile the method can notably decrease chroma of the pricklyash seed oil

    實驗室試驗明稀溶液分步間歇式煉的工藝流程,可以在低煉耗的水平上得到值較理想的花椒籽煉油,同時該煉方法也能顯著的降低花椒籽油的色
  15. Weifen shek series of quality products, fully promote, not pollution, and natural stone than physical quality permanent stability, more naisuanjian corrosion, not faded, not deformation, surface smoothness of 70 %

    微粉石系列產品內質完全玻化,不易污染,與天然石相比,理化品質恆久穩定,更耐腐蝕,不褪色,不變形,面光潔達70以上。
  16. Its unique compound formula can regulate the skin ph value, inhibit excessive sebum secretion, and decompose excessive greases through oxidizing reaction with greases on the skin surface ; the shrinking factor contained can smoothen and shrink pores inward, improve roughness arising from pore blocking, make skin look tight and fine

    其獨特的復合配方,能調節皮膚的,抑制皮脂線分泌過多油脂,並能與皮膚面的油脂發生氧化反應,使多餘油脂分解代謝,蘊含收斂因子更能暢通毛孔,令毛孔向內收縮,從而改善因毛孔阻塞而造成的粗糙問題,使肌膚看起來緊實細致。
  17. In order to investigate the effects of ph, temperature, naf and bivalent cations on the conformation of the phosphatase in solution, we monitored the difference of intrinsic fluorescence of the phosphatase and compared changes of the enzyme activity under those conditions. the tertiary structure loosed and the intensity of fluorescence decreased below ph 6. 0. the intensity of fluorescence was lowest at ph 5. 0 and the tertiary structure was reconstructed as the solution ph was increased

    其中在ph5 . 0及以下時,蛋白質的三級結構變得鬆散,熒光強下降, ph5 . 0時尤為顯著,而當溶液ph高於5 . 0時(酶的最適ph ) ,樣品的熒光發射強明顯增加,明酶蛋白受溶液的影響,構象發生部分變化,部分trp殘基向疏水環境移動,其三級結構得到恢復。
  18. Surface active agents - determination of free alkalinity or free acidity - titrimetric method

    面活性劑游離或游離的測定滴定法
  19. Surface active agents. determination of free alkalinity or free acidity. titrimetric method

    面活性劑.游離或游離的測定.滴定法
  20. For best results, use a ph balanced car wash product with conditioners specifically formulated to enhance the appearance and protection of automotive paint finishes

    要想得到最佳效果,請使用適用於可以平衡車漆的漆面護理產品。
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