醇凝膠 的英文怎麼說
中文拼音 [chúnníngjiāo]
醇凝膠
英文
alcogel-
The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
本論文以開發無機?有機復合納濾膜為出發點,首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜;選用聚乙烯醇和聚酰胺為表面功能層材料,分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑,採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜;以均苯二甲酰氯、哌嗪和二胺為單體,採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜,並對影響膜性能的諸多因素進行系統研究。Studies on the hardness of chitosan - polyvinyl alcohol hydrogel
聚乙烯醇水凝膠的硬度研究The pertinent research work has been carried out as follows : the transparent nano - tio2 films on soda - lime glass substrates were obtained by sol - gel process. the precursor of nano - tio2 film was ti ( oc4h9 ) 4 and the menstruum was c2h5oh. the preparation conditions which were effecting the nano - tio2 quality were researched
本文主要就納米tio _ 2薄膜的制備、探索用ecr氮等離子納米tio _ 2的摻雜改性等開展了如下的工作:本文採用溶膠?凝膠法,以鈦酸丁醋做前驅體、無水乙醇做溶劑,水解制備溶膠,然後通過提拉法制備納米tio _ 2薄膜。However the binary catalysts system favors low residue content. it was found that the residue content were remained at a low level with ethylene glycol as the reaction media and 6 % ( by mass ) of sulfuric acid as the catalyst in the presence of phenol. the contents of lipophilic products were investigated
經凝膠色譜法測定表明,以濃硫酸苯酚為催化劑、乙二醇為反應介質的反應體系,所得到液化產物的平均相對分子質量最低, m _ w為806 , m _ n為799 。According to the polarity, the residue was isolated with petroleum ether, chloroform, ethyl acetate, and n - buoh, respectively. the n - buoh fraction, confirmed as neuroactive component, was subjected to sephadex lh - 20 column chromatography to provide an extract fraction, as a buff powder, which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l
將菟絲子乾粉用75乙醇浸泡后,減壓蒸干后得到褐色漿狀物,經石油醚、氯仿、乙酸乙酯、正丁醇萃取,經柱層析后,再用葡聚糖凝膠對有效成份進一步純化,獲得了菟絲子中能誘導pc12細胞分化的活性組分。Common wheat and durum wheat. splitting of gliadin - type proteins by starch - gel electrophoresis for varietal identification
普通小麥和硬質小麥.用澱粉凝膠電泳測定麥醇溶蛋白分裂的方法進行變種鑒別There are abundant bioactive substances, which can kill many kinds of microorganism. in order to verificated the antibacteria substances of chinese forest frogs, the skins of fresh forest frogs were drawn out by methanol solution 80 % and filtered with sephadexg - 100, sephadexg - 50 and sephadexg - 25
為了驗證中國林蛙皮膚中抗菌活性物質,以新鮮林蛙皮膚為實驗材料,用80甲醇溶液浸提,再經sephadexg - 100 、 sephadexg - 50和sephadexg - 25凝膠提純,獲得了純度較高的抗菌活性物質。Common wheat. identification of variety by electrophoresis of gliadins in polyacrylamide gel
普通小麥.在聚丙烯酰胺凝膠中用麥醇溶蛋白電泳法對品種的鑒定This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved
第二章利用有機改性的溶膠-凝膠包埋方式,以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針,結合正交實驗方法探索了幾個重要因素,如加水量、醇硅比、催化劑、添加劑等對成膜性的影響,制備了對水中鉛離子有較好響應的傳感膜,其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,檢測限為3 . 6 10 - 8mol / l 。The gel by sodium alcoholate method, added benzoylacetone, have the obvious uv absorption peaks at 265nm and 337nm respectively. when the gel was placed in air, the chelate did n ' t have change. the absorption peak decreased until disappeared when the films were irradiated by the ultraviolet light with the relevant wavelength, which indicated that the films were obviously photosensitive
( 4 )通過三種方法制備感光性的sno _ 2 : sb ( ato )溶膠,採用醇鈉法,添加苯酰丙酮制備的二氧化錫凝膠膜,在265nm和337nm處存在明顯吸收峰,空氣中放置,所形成的螯合物不發生變化,用相應波長的紫外光照射時,這個吸收峰會減小直至消失,表明薄膜具有良好的感光性。How to add pre - gel resin with bad wetness systems such as epoxy resin, polyester, alkyd adapt to use pre - gel
對于潤濕性差的樹脂系統如環氧,聚酯,短油醇酸樹脂等使用yh系列有機膨潤土,預先製成預凝膠適意。The nanoparticle titanium dioxide was prepared with tnb as raw material by the sol - gel process, the effects of the alcohol salt concentration the kind of solvent the water volume hydro1yze temperature. the dried ways of the wet gel and the calcined temperature of the dry gel on the specific surface area. particle size
本文以鈦酸丁酯為前驅體,利用溶膠?凝膠法制備了納米級的tio _ 2粉體材料,通過正交實驗研究了醇鹽的濃度、溶劑的種類、水含量、水解溫度、乾燥條件和煅燒溫度等工藝條件對納米粒子的比表面積、粒徑大小及分佈、晶相組成等性能的影響。Then the gel film can be prepared by dip - coating or spin - coating technique on the surface of glass and followed by drying in the ethanol vapor
使用浸漬提拉法或旋轉塗敷法,並通過放在乙醇蒸汽中乾燥,可在玻璃表面得到均勻的凝膠膜。The ratio of tetraethyloxysilane ( teos ) : ethanol : distilled water is 1 : 3 : 4. n - n " dimethyl formamide ( dmf ) was used as solvent and drying control chemical additive ( dcca ) in a proportion of 0. 3 dmf / ethanol volume ratio. drops of hf / hc1 mixture acid was added to promote hydrolysis ( ph = 2 )
溶劑的選擇對基質凝膠孔的形狀基本沒有影響,但對其孔徑分佈有較大影響:在hf / hci混合酸催化情況下, dmf溶劑的樣品孔徑最小, dmf /乙醇混合溶劑的其次,乙醇溶劑的樣品孔徑最大。The results displayed that the spectra were wider than that of one single dye and there were energy transfer between c102 and rh6g. in silica films the energy transfer efficiency was higher than that in ethanol solutions
C102 : r上6gh元混合染料間存在著能量傳遞,將其摻雜到isio 。凝膠中,發現與無水乙醇溶液中相比;能量轉移效率增加,光譜i展寬,原因可能是出。An active metabolite was obtained by purification with precipitated by ethanol, sephadex g - 25 gel, deae - cellulose ion exchange resin and silica gel column chromatography
經乙醇( 95 )沉澱、 sephadexg - 25凝膠層析、 deae -纖維素離子交換層析和硅膠層析純化,得到抑制黑麴黴生長的單一組分。Sol - gel entrapped cobalt pyridine - carboxylate and its catalytic performance for oxidative carbonylation of methanol
凝膠包埋吡啶羧酸鈷及其對甲醇氧化羰化反應的催化性能In this thesis, we have done some research on the characterization of cu, zn - sod from hog blood by polyacrylamide gel electrophoresis, electric focusing electrophoresis and dealing with some different reagents
本文採用聚丙烯酰胺凝膠電泳,巰基已醇- sds -聚丙烯酰胺凝膠電泳,等電聚焦電泳以及各種凝膠層析的方法對豬血銅鋅超氧化物歧化酶進行了研究。As for the change of reaction temperature, a good appearance of microspheres will be observed. after heat treatment we obtain the mesoporous sio2 microspheres, the morphology, size and size distribution of microspheres before and after sintering were investigated by using the scanning electron microscopy ( sem ). the desorption of water and ethanol and decompostion of polymers in microspheres were analyzed by using tg - dsc machine
當r 1時將導致微球產生破裂,而r 4時則生成凝膠狀物質;其他條件不變時,微球形貌隨ph值的增大逐漸變差,最終破裂;乙醇含量增大時,微球粒徑逐漸增大;而隨著反應時間的進行,顆粒逐漸長大,微球形貌不斷完善,表面逐漸平滑;反應溫度的變化會得到更光滑的微球表面,微球粒徑隨之增大。The water dispersing solution of lukang ? gel is compatible with water - miscible solvent, such as 20 % ethanol, 50 % glycerin water solution, and so on
綠康凝膠的水分散液,能夠和可以以水相混溶的溶劑混合,如: 20的乙醇、 50的甘油等。分享友人