From 24th august of 2001 to 8th april of 2002, gala ( malus cv. gala ) and golden ( m. cv. golden delicious ), stored with three different models of cold storage, air condition and ultro - lower oxygen, were kindly provided in different sale time by inter - profession technique center of fruit and vegetable of france. the fruits were cut into three parts of the skin, pulp and core according to the human edible habit. the apple polyphenolics in the skin and pulp were determined by thiolysis hplc and unthiolysis hplc in institut national de la recherche agronomique, laboratoire de recherches cidricoles
為建立能全面測定蘋果果實多
酚的hplc方法,同時為蘋果營養標簽的制定提供不同銷售時期蘋果多
酚含量的依據,指導貯藏方式和時期的選擇,明確的消費信息,自2001年8月24日至2002年5月15日,由法國果蔬跨行業技術中心提供普通冷藏、氣調和超低氧方式下,不同銷售時期的嘎拉( malus , cv . gala )和金冠( m . cv . goldendelicious )為試材,根據蘋果食用習慣將果實分為果皮、果肉和果心二部分,利用
硫解hplc和非
硫解hplc定量分析世界主栽品種金冠和嘎拉果皮和果肉多
酚物質含量,並對不同貯藏方式下和同一貯藏方式下的不同商業貯藏時期多
酚物質含量作了比較。
Inhibition of hydroquinone on sulfite oxidation
對苯二
酚對亞
硫酸鹽的穩定作用
Dependence of anticorrosion of sulfite on hydroquinone
對苯二
酚對亞
硫酸鹽防腐蝕效果的影響
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 。
In compounds such as chorobenzene, brmobenzene and thiophenol the band lies close to the lower limit.
氯苯、溴苯和苯
硫酚化合物的譜帶出現于低限附近。
High gade dye - acid brilliant blue 6b, dye - intermediate - 2, 4 - disulfonic benzaldeyde, 4 - chloro - 2 - amino phenol - 6 - sulfonec acid, 0 - chloro - p - nitroaniline, benzaldehyde - 0 - sodium sulphonate etc obtained prizes from state and province, its qualit are almost equal to same kinds of products made in sandoz co. of swiss, bayer and hoechst co. of germany, the new product - dimethyltin - bis iso - octhl mercaptoacetate and methyl - tri iso - octyl mercaptoacetate plastic stabilizer was developed in 1997, it has filled in the gaps in the fields of scince and technology of domestic, it passed the shandong science committee of technology appraise, the quality indexare equal or exceed the same kinds of products made in u. s. a, another new product feeding additive - d - pantothenic acid calcium salt was developed in 1996, its quality are equal to the same kinds of product made in advanced countries, annual outputs are more than 100mt
高檔染料酸性艷藍6b染料中間體2 , 4 -二磺酸笨甲醛茜素4 -氯- 2 -氨基苯
酚- 6 -磺酸鄰氯對硝基苯胺脫氫
硫代對甲苯胺雙磺酸等均獲國家級優秀新產品獎和省科技進步二等獎,產品質量分別達到瑞士山道士西德拜爾赫斯特等公司同類產品水平公司1997年開發的塑料穩定劑-甲基錫產品為又一填補國內空白的高新技術產品,產品當年通過省科委技術鑒定,各項質量指標分別達到或超過美國同類產品水平。
Methods : the contents of total phosphatide, total polysaccharides and total saponins in sulphur fumigated lily and non - sulphur fumigated lily through phosphor molybdate blue and phenol hydrate - sulfuric acid and veniua - glacial acid were detected
方法:分別採用鉬藍比色法、苯
酚硫酸法和香草醛冰醋酸法測定
硫熏和非
硫熏百合中總磷脂、總多糖及總皂苷含量。
Filling flexibilizer, such as epoxy terminal block, polyurethane ether structure, thiokol and liquid ctbn to the system of expoxy - mannich amide, through the test on shear strength, bounding elasticity modulus and break strength of cured products, the different fuction could be found using different flexibilizers
摘要在環氧
酚醛胺體系中使用端環氧基聚氨酯醚、聚
硫橡膠、液體丁腈橡膠等活性增韌劑,通過對固化物剪切強度、彎曲彈性模量及斷裂強度的測試對比,可以看出不同增韌劑效果不同。
Northern blot results show that nos. 66 - 1, 84, 89 - 1, 97, 108, 152, 175 and 233 have stronger signal in sp6 - tester than in sp6 - driver ; and no. 23 has weak signal only in sp6 - tester, nos. 94, 165, 172, 185 and 191 have similar hybridization signals in both sp6 - tester and sp6 - driver ; nos. 4, 17, 18, 28, 6 9, 101, 156 - 1, 157 - 1 and 183 do not reveal hybridization signals in both sp6 - tester and sp6 - driver ; the results of sequencing and blastn and blastx on ncbi indicate that no. 23 cdna ( 846bp ) has significant alignments with nicotiana tabacum mrna for elicitor inducible beta - 1 - glucanase nt - sube76, and arabidopsis thaliana clone 7119 for glycosyl hydrolase family 17 ( protein id : at5g55180. 1, supported by cdna : 7119, supported by cdna : gi _ l 87001 54 ) and arabidopsis thaliana beta - 1 - glucanase - like protein ( gi _ 2 1594590 ) ; no. 84 cdna ( 560bp ) has significant alignment with lotus corniculatus aspartate aminotransferase mrna ( complete cds length = 1685, gi | 2605931 | gb | af029898. 1 | af029898 ) for aspartate aminotransferase ; no. 89 - 1 cdna has significant alignment with arabidopsis tha
與同源性最高的擬南芥類似晚期胚胎發生高豐度蛋白比較,二者都具有lea 2結構域、保守分泌蛋白cog5608結構域和低復雜度區,都具有pkc磷酸化位點、酪蛋白激酶磷酸化位點、 n十四酞化位點和
酚胺化位點,所不同的是: ( )在結構功能域上, 152全長cdna編碼的蛋白質序列中多了1個lea 2結構域、 l個保守分泌蛋白cog5608結構域和1個低復雜度區; ( 2 )在功能位點上, 152全長cdna編碼的蛋白質具有酪氨酸
硫酸化位點、多了l個酪氨酸激酶磷酸化位點和1個可能的天冬氨酸富集區,但沒有n糖基化位點; ( 3 )擬南芥類似晚期胚胎發生高豐度蛋白的lea 2結構域具有顯著性( e
Application of ferrisulphas and aluminum sulfate in phenol - containing waste water treatment
硫酸亞鐵及
硫酸鋁在
酚廢水處理中的應用
This paper reviewed new progress of biosensor applying to environmental monitoring, including detection of arsenide, sulphide, insecticide and herbicide ' s remains, on - line monitoring of wastewater quality, measurement of bod and ammonia nitrogen, detection of phenol and odorous compounds, as well as monitoring of air and exhaust gas
摘要綜述生物傳感器應用於環境監測的最新進展,包括對砷化物、
硫化物和殺蟲劑及除草劑殘留物的檢測,對廢水水質的在線監側,對bod和氨氮的測定,對
酚類和有氣味的化合物的檢測以及對大氣和廢氣的監測等方面。
The test solution is placed in a test tube, and a small amount of alpha - naphthol added ; concentrated sulfuric acid is then trickled slowly down the side of the tube
在試管中放入待檢測的溶液,加入少量的萘
酚,接著把濃
硫酸沿著試管壁緩緩滴入試管。
Abstract : the antioxidative effect, thermal stability and time stability of dilauryl thiodipropionate ( dltp ) were studied. the synergistic effect of dltp and phenolic antioxidatant was also discussed
文摘:研究了
硫代二丙酸二月桂酯的抗氧化效果、它與
酚類抗氧化劑的協同性及其熱穩定性和時間穩定性。
According to their pathogenic activity, three strain of marine bacteria were selected as l2 ( alteromonas sp ), g ( pseudomonas sp ), py ( pseudomonas sp ). the biochemical changes of malondialdehyde ( mda ), which is the lipid peroxidation end product and can be measured by thiobarbituric acid ( tba ) regeant, and polyphenol content, which reflected the host non - specific chemical defense activity and can be measured by folin - ciocalteu method, were determined at different time intervals during host pathogenesis
本研究採用海帶作為模式藻類生物,以褐藻酸降解菌l2 , g及非褐藻酸降解菌py為復染菌建立人工復染體系,用
硫代巴比妥酸( tba )試劑測定抗感染過程中海帶組織細胞膜脂肪氧化產物丙二醛( mda )的變化情況及folin - ciocalteu
酚試劑測定病原菌感染過程中海帶組織中多
酚含量隨時間變化情況。
Method : the polysaccharide was extracted by phenol - sulphoacid method
方法採用苯
酚濃
硫酸法提取多糖。
All the results are showed as following : 1. thiolysis and unthiolysis hplc together will be better to quantify the main apple polyphenolics
硫解和非
硫解hplc相結合能較全面地定量分析蘋果果實中主要多
酚化合物種類和含量。
Analysis of thiophenol by gas chromatography
苯
硫酚的氣相色譜分析
According to the problems in current research, my works have four parts as following : 1. cds nanoparticles were synthesized by surface - modified with thiourea and stabilized by poly ( n - vinyl - 2 - pyrrolidone ) ( pvp ). the results showed that cds nanoparticles, which exhibited significantly quantum size effect and enhanced luminescence, were prepared through the surface modified with thiourea
鑒于目前使用苯硫酚修飾對cds納米粒子的熒光具有強烈的淬滅作用,而硫醇具有較強的毒性,本研究用硫脲作表面修飾劑,以聚乙烯吡咯烷酮( pvp )作穩定劑制備了粒徑分佈較均勻、性能穩定的cds納米粒子。