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diphenyl n.【化學】1.聯(二)苯。2.二苯基。

diphenylamine

Poly ( m - phenylene - isophthalamide ) ( mpia ) , poly ( p - phenylene and 4 , 4 ' - diphenyl ether terephthalamide ) ( dpeta ) etc nanoflbers are electrospun , and the different diameters of different polymers nanoflbers are described . the result is related with different molecular chains , and the structures of molecular chain decide the diameter ranges of electrospun fibers . the blend solutions of pan & second cellulose acetate ( sca ) are electrospun to get synthetic fabrics 進行聚間苯二甲酰間苯二胺( mpia ) 、聚4 , 4 ’ -二氨基二苯醚撐對苯二甲酰對苯二胺( dpeta )等高性能纖維的電紡絲,發現不同高聚物所能得纖維細度有較大差別,這與二者的分子鏈結構有很大的關系。

Eighteen compounds in the oil were identified by g c / ms . they are : seven ketone compounds : 2 - undecanone , 6 , 10 - dimethy , 1 - cyclohexanol - l - butanone , 2 , 5 - hexanedione , 2 ( 4h ) - benzofuranone , 5 , 6 , 7 , 7 , a - tetrahydro - 4 , 4 , 7a - trimethyl , 3 - buten - 2 - one , 4 - ( 2 , 6 , 6 - trimethyl - 1 - cyclohex en - 1 - yl ) - , ( e ) , 6 - dodecanone , 3 - buten - 2 - one , 4 - ( 2 , 6 , 6 - trimethyl - 7 - oxabicycl o4 . 1 . 0hept - l - yl ) ; three alcoholic compounds : a - terpineol . benzyl alcoho 1 , phytol ; two alkyl and acyl amine components : undecane , tetradecane and hydrazinecarboxamide , n , n - diphenyl - , acetamidobenzene ; one ester , a idehyde , alkyne and acid : butanoic acid : 2 - propenyl ester , 1 - octadecyne , 1 - octadecyne , palmitic acid 三甲基一7一氧雙環p , l , 0庚烷基什丁烯酮上;醇3種:苯甲醇、 a松油醇、 3 , 7 , 11 , 15十六烯2醇1 ;烷2種:十一烷、十四烷;酚胺2種:姘基甲酚h苯胺、乙酞苯胺;酯、醛、炔、和酸備是1種:丁酸烯丙酯、十八碳醛、十八炔、十六碳酸。

On the basis of the conditions of diphenyl ( dp ) , ortho - phenyl phenol ( opp ) , thiabendazole ( tbz ) , imazalil ( imz ) application for fruits and vegetables preservative , the analytical methods for residues and their progresses are summarized 摘要結合防腐劑聯苯、鄰苯基苯酚、噻苯咪唑、抑霉唑在水果蔬菜中的使用狀況,綜述了果蔬中防腐劑殘留分析方法及其進展,并著重對氣相色譜、液相色譜及防腐劑殘留分析新技術毛細管電泳技術、免疫分析法等進行闡述。

It was shown that vsmcs growth was suppressed by as2o3 with correlation to its concentration and the reaction time , especially marked in 72h with last concentration of 3 . 0 ~ 4 . 0umol / l as2o3 , by using 3 - ( 4 , 5 - dimethylthiazolzy ) - 2 , 5 - diphenyl tetrazolium bromide chromatometry analysis 首先應用四甲基偶氮唑藍比色法分析顯示as _ 2o _ 3能夠抑制vsmc的生長,呈濃度及時間依賴性。在as _ 2o _ 3終濃度為3

The perovskite - type metal oxides supports and the corresponding supported pd catalyst were prepared by microwave , and characterized by xrd , sem and used in the direct synthesis of diphenyl carbonate ( dpc ) 摘要利用微波法制備了鈣鈦礦型復合氧化物載體及把負載鈣鈦礦型催化劑,用xrd和sem對載體及催化劑進行了表征,并將微波法制備的催化劑用于一步氧化羰基化合成碳酸二苯酯( dpc )實驗。

Workplace air - determination of hexavalent chromium in airborne particulate matter - method by ion chromatography and spectrophotometric measurement using diphenyl carbazide 工作場所空氣.空中漂浮顆粒物質中六價鉻的測定.使用二苯卡巴肼的離子色譜法和分光光度計測量法

Workplace air - determination of hexavalent chromium in airborne particulate matter - method by ion chromatography and spectrophotometric measurement using diphenyl carbazide 工作場所空氣.氣載顆粒物質中六價鉻的測定.用二苯基卡巴胼的離子色譜法和光譜測定法

Hb - liposome has low acute toxicity and skin photoallergy hypocrellin a , hypocrellin b and 5 , 15 - diphenyl - 2 , 3 - dihydroxychlorin are promising new second generation photosensitizers 初步研究表明竹紅菌乙素的急性毒性和皮膚光敏毒性能滿足臨床需要。

It is found that hypocrellin a , hypocrellin b and 5 , 15 - diphenyl - 2 , 3 - dihydroxychlorin ( dpcoh ) have stronger photodynamic effect than in hpd same concentration . 2 二羥基葉吩( dpcoh )在印g尬1的光敏劑濃度下,明顯強于相同濃度hpd的殺傷效應。

In this paper , a varieties of purification processes are carefully discussed according to three methods of synthesis of diphenyl carbonate 摘要本文按合成碳酸二苯酯的三種方法光氣法、酯交換法和氧化羰化法,詳細介紹了碳酸二苯酯的提純工藝。

Chemical analysis methods and determination of physical performance of alumina determination of chromium sesquioxide content - diphenyl carbazide photometric method 氧化鋁化學分析方法和物理性能測定方法二苯基碳酰二肼光度法測定三氧化二鉻含量

Methods for chemical analysis of iron , steel and alloy - the sodium carbonate separation - diphenyl carbazide photometric method for the determination of chromium content 鋼鐵及合金化學分析方法碳酸鈉分離-二苯碳酰二肼光度法測定鉻量

N , n - diphenyl - hydrazinecarboxamide , which content was high to 17 . 26 % , was found in the essential oil extracted from s . chamaejasme leaves 瑞香狼毒葉揮發油中含有姘基甲酚二苯胺,且相對含量很高,達到了17 26 。

Methods for chemical analysis of gallium - the 4 , 7 - diphenyl - 1 , 10 - phenanthroline photometric method for the determination of iron content 鎵化學分析方法4 , 7 -二苯基- 1 , 10 -二氮雜菲光度法測定鐵量

Synthesis and characterization of the complexes of lanthanide perchlorates with n , n ' - dimethyl - n , n ' - diphenyl - 3 , 6 - dioxaoctane diamide 三甘雙酰氮甲基苯胺稀土高氯酸鹽配合物的合成及表征

Methods for chemical analysis of iron ores - the diphenyl carbazide photometric method for the determination of chromium content 鐵礦石化學分析方法二苯基碳酰二肼光度法測定鉻量

Chemical analysis of nitrate of rare earth for agriculture - determination of chrome content - sys - diphenyl carbazide spectrophotometric method 二苯氨基脲分光光度法測定鉻含量

Diphenyl - thiocarbazone extraction and spectrophotometry for determination of residual chlorine in water distribution system 鰲合物間接紫外分光光度法測定水中微量氯離子

Determination of the composition and the apparent stability constant of n - benzoyl - n ' , n ' - diphenyl thioureacopper complex 配合物組成及表觀穩定常數的測定