水堿性溶液 的英文怎麼說
中文拼音 [shuǐjiǎnxìngróngyè]
水堿性溶液
英文
aqueous alkaline solution-
It is white crystal powder, odorless and slightly bitter ; hardly soluble in ethanol, chloroform, aether and benzene and soluble in solutions whose ph value is less or more than 7
本品在水中易溶,在乙醇、丙酮、氯仿或乙醚中幾乎不溶。本品為兩性化合物,能溶於酸性溶液或堿性溶液。The mineralization temperature is in a range of 90 ~ 300, and the mineralization fluid is a combination of slightly acidic - slightly alkalic precipitations, seawater and magmatic water
其成礦溫度在90 ~ 300之間,成礦流體為低鹽度的弱酸性弱堿性大氣降水、海水和巖漿水的混合溶液。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。The factors influencing on the performance of ash - jd such as the moore ratio of monomers, the reaction temperature and time, concentration, the ph value of reaction solution and the drippy speed of formaldehyde were studied carefully. through experiments, the optimum level of those factors was gained
論文詳細研究了反應單體的摩爾比、反應溫度、時間、濃度、反應溶液的酸堿度及甲醛的滴加速度等對產品ash - jd性能的影響,通過試驗,得到了這些因素的最佳水平。In this thesis, the uper - iron alkaline batteries. utilizing insoluble ferrate ( vi ) - k _ 2feo _ 4 as cathode active material, was more systematically investigated by the mothods of eb, xrd, and cv
本論文對以難溶高鐵酸鹽k _ 2feo _ 4為正極活性物質的水溶液堿性高鐵電池進行了較為系統的研究。Hartshorn ( nh4oh ) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate ( t203 )
摘要選用氨水溶液代替醋酸作為新型催化劑用於硫磷雙辛基堿性鋅鹽( t203 )的皂化反應。Alkali - resistant : without opparent change in 10 % oxyhydrogen sodium solution at 72 hour
耐堿性:在10 %氫氧化鈉水溶液中浸72小時無明顯變化The silver colloid in the composite material never changed the ability of zp to tune the potential of redox mediators. but the ability of the zirconium phosphate to adsorb neutral red and the redox reaction ability of this phenothiazine dye were enhanced significantly in the composite film due to the nanosize silver colloid
磷酸鋯降低了納米銀膠粒在水溶液中的聚集,提高了其催化活性,而銀膠粒保持了磷酸鋯對介體的電位調制能力,並大大的提高了磷酸鋯對堿性染料的吸附能力和染料分子的活性。Its water solubility is not affected by electrolysis, while it is not soluble in alkaline solution
對水的溶解性不受電解的影響,但不溶於堿性水溶液。They dissolve readily in water, dilute acids, and alkalis but do not coagulate readily on heating
組蛋白在水中很容易溶解,其水溶液呈弱酸性和堿性,加熱時不立即凝結。Raw optical glass. resistance to attack by aqueous alkaline solutions at 50 degrees celsius. test method and classification
未加工的光學玻璃. 50下含水堿性溶液的侵蝕抗性.試驗方法和分類Raw optical glass. resistance to attack by aqueous alkaline phosphate - containing detergent solutions at 50 degrees celsius. testing and classification
未加工的光學玻璃. 50下含洗滌劑溶液的含水堿性磷酸鹽的侵蝕抗性.試驗和分類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
研究結果表明: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度對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,漿體的密實度很高;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,酸、堿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。Basing on the practical experience and processing principle, the optimization of producing process, in which the butyl alcohol is abstracted from the water phase by the azeotropic distillation of the partly and mutually dissolved, is studied in this paper by utilizing the properties of the azeotropic distillation of the partly and mutually dissolved system of butyl alcohol and water, from the some questions such as rearranging of the equipments, dissolving with sodium hydroxide, treating of the wasted water, separating water and so on
摘要結合實踐經驗和工藝原理,利用丁醇和水組成的部分互溶系統的共沸特性,對從青霉素類結晶母液中提純丁醇的生產工藝進行了分析研究,從設備布局、堿洗、廢液處理和分水滯后等方面進行了優化處理。At the same time an apparatus of zone melting is designed, the method of zone melting is used to purify the purified product of recrystalizing. after purification, the homogeneity and stability of the purified product of antioxidant d and bht are examined by high performance liquid chromatography ( hplc )
實驗研究結果:防老劑d重結晶提純工藝為:每次取10g工業品防老劑d ,經過堿洗后,去離子水洗滌至中性,溶於100ml乙醇中,同時用粉狀活性炭( 1g次)脫色、過濾、母液靜置2h后,再放入冰箱結晶2h 。Suitable for the domestic water, food processing water, cool the circulating water, the boiler supplies water, exceed the filtration in advance of the pure water, steam condensation water, build well liquid and water flooding in the oil field, chemical liquid medicine, electroplate the filtration that the liquid, much kinds of acid or alkaline solution, emulsifier wash helping, cleaning solution, medical products, ink and water treatment of the semiconductor, electron trade
水過濾器適用於生活用水食品加工用水冷卻循環水鍋爐供水超純水的預過濾蒸汽冷凝水油田修井液及注水化學藥液電鍍液多種酸性或堿性溶液乳化劑洗滌濟洗滌液醫藥製品墨水的過濾及半導體電子行業的水處理。When using the method of periodically renewing electrolyte, the average current efficiency is 47. 3 % ( ii ) the solubility of k2feo4 in the solution of naoh is higher than that of the same concentration of koh solution and both of them become low with the growth of the alkaline concentration. the solubility of k2feo4 in the mixed solution of koh and naoh was influenced by both of common ions effect and salting - out effect and the influence of common ions effect is more heavy. the rate of methanol ' s reacting with k2feo4 is proportional to the content of water in the solid k2feo4. the stability of the potassium ferrate solution is far below the solid
( 2 ) k _ 2feo _ 4在naoh溶液中的溶解度高於同濃度koh溶液中的溶解度,且溶解度均隨著堿溶液濃度的增大而降低; k _ 2feo _ 4在koh和naoh混合堿溶液中的溶解度,受到同離子效應和鹽效應的共同影響,且同離子效應的影響更大;固態k _ 2feo _ 4被甲醇還原的速度與甲醇或固態k _ 2feo _ 4的含水量成正比; k _ 2feo _ 4溶液的穩定性遠遠低於固態k _ 2feo _ 4 ,少量水的存在,可促使k _ 2feo _ 4按溶解?分解?再溶解?再分解的過程分解。Glass - resistance to attack by boiling aqueous solution of mixed alkali - method of test and classification
玻璃耐沸騰混合堿水溶液浸蝕性的試驗方法和分級Glass - resistance to attack by a boiling aqueous solution of mixed alkali - method of test and classification
玻璃耐沸騰混合堿水溶液浸蝕性的試驗方法和分級Depending on the chemical composition of the influent gast, the x - lab scrubber can be operated by water or caustic or acidic solutions
根據進氣中所含化學成分的不同, x - lab洗氣塔可選用水,堿或酸性溶液作為循環液體。分享友人