羥基氫 的英文怎麼說
中文拼音 [qiǎngjīqīng]
羥基氫
英文
hydroxyl hydrogen
-
羥 :
名詞[化學] (羥基) hydroxyl (group)
-
氫 :
名詞[化學] (氣體元素) hydrogen (h)
-
A review on application of monohydrated sodium bisulfate as catalyst in synthesis of ester, such as monocarboxylic esters, dicarboxylic esters, chloroacetates, hydroxycarboxylic esters, aromatic esters and the reusability of sodium bisulfate with
摘要介紹了一水硫酸
氫鈉在催化合成酯(如一元羧酸酯、二元羧酸酯、氯乙酸酯、
羥基酸脂、芳香酸酯)中的應用及其重復催化性能。
-
The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了硫酸、對甲苯磺酸、氨
基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸
氫鈉、固體超強酸、雜多酸等催化劑催化合成對
羥基苯甲酸乙酯的方法。
-
Chiu, c. h., i. c. guo, and l. s. wu. 2000. effects of steroid hormones on progesterone secretion and apoptosis of caprine luteal cell line. j. chin. soc. anim. sci. 29 [ suppl. ] : 178
費軫尹、邱智賢、陳家真、吳兩新、郭應誠。 2001 。抗牛、豬與山羊之3
羥基類固醇去
氫酵素多株抗體的制備。中國畜牧學會會志, 30 ( 4 ) : 198 。
-
The protected amino acids were z - ser ( bzl ), boc - asp ( obzl ) and glu ( obzl ) 2. the quality of the synthesized tripeptide : ser - asp - glu ( sde ) by thin layer chromatography, amino acid analysis and liquid chromatography - mass spectrometry is pure. the paam beads with different length arms were obtained by coupling the various length linear spacer, such as ethylene diamine, glutaraldehyde, 1, 6 - diaminohexane and amino caproic acid to paam beads
按照從梭
基端到氨
基端的合成路線,用風n 』二環己
基碳二亞胺( dcc ) l
羥基苯驕三氮哩( hobt )液相合成法逐步接肽,制備得到對應的帶保護
基的中間體,用催化
氫化還原脫去所有的保護
基。
-
Deoxy sugar a sugar in which oxygen has been lost by replacement of a hydroxyl group ( oh ) with hydrogen ( h ). the most important example is deoxyribose
脫氧糖:
羥基被
氫原子置換導致失去氧的一類單糖。最重要的脫氧糖就是脫氧核糖。
-
Effect on prostaglandin dehydrogenase in hypothalamus in both the pyretic and hypothermia rats by guizhi tang
羥基前列腺素脫
氫酶活性的影響
-
The barnidipine hydrochloride were prepared via cyclocondensation from m - nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy ( s ) - n - benzyl - 3 - py - rrolidinol, recrystallisation and salification
摘要研究了以碳酸
氫銨,間硝
基苯甲醛和乙酰乙酸甲酯為原料,經縮合、部分水解,再與( s ) - n -芐
基3 -
羥基吡咯烷經酯化、分步重結晶、成鹽得到鹽酸巴尼地平的工藝路線。
-
Gc binds to mr with higher affinity than gr. this gc - receptor interaction is also controlled at the pre - receptor level by two important factors : corticosteroid binding globulin ( cbg ) and 11 b - hydroxysteroid dehydrogenases ( 11 - hsds )
糖皮質激素與受體結合的量除與血漿中糖皮質激素水平、皮質醇結合蛋白( cbg )濃度有關外,還受到細胞內受體前糖皮質激素代謝酶? 11 -
羥基類固醇脫
氫酶( 11 - hsd )的調節。
-
At the same time, we also can supply taed, thiourea, melamine, aluminum sulphate, titanium dioxide rutile and anatase, rubber accelerator, methyl cellulose, hydroxypropyl methyl cellulose, monoammonium phosphate and other phosphates, 2 - ethyl anthraquinone, etc
同時還可為客戶提供四乙酰乙二胺硫脲三聚氰胺硫酸鋁鈦白粉橡膠促進劑甲
基纖維素
羥乙
基甲
基纖維素
羥丙
基甲
基纖維素,磷酸二
氫銨2 -乙
基蒽醌等十幾種優質化工品。
-
P - or o - hydrogen atom of phenolic group
酚
羥基的鄰位或對位
氫
-
Basic silicones for industrial use. determination of hydroxyl groups. methods by reduction with lithium - aluminium hydride
工業用
基礎硅塑料.
羥基類的測定.
氫化鋁鋰還原法
-
S - hydroxy tetrahydrofuran
羥基四
氫呋喃
-
3 ) raman and ir spectroscopy techniques have been used to study kaolinite - organic intercalation mechanism. during the intercalation reaction, the original hydrogen bonds between the al ( o, oh ) (, octahedral hydroxyl groups and the sio4 tetrahedral oxygens were broken, and the new hydrogen bonds between organic molecular and kaolinite were formed
甲酰胺和聚丙烯酰胺以c = o
基與高嶺石內表面
羥基形成
氫鍵, nh
基與高嶺石si - o
基形成
氫鍵並部分嵌入高嶺石的復三方孔洞。
-
Dihydroxybenzyl alcohol is synthesized from 3, 5 - dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems, which gives a convenient synthetic method
摘要以3 , 5 -二
羥基苯甲酸為原料,經酰化、硼
氫化鈉還原體系還原,合成了3 , 5 -二
羥基苯甲醇。
-
Ft - ir spectrum show that water insert between the inner layer of kaolinite with potassium acetate, which form hydrogen bond with the inner surface hydroxyl of kaolinite
傅立葉變換紅外光譜顯示,水和乙酸鉀一同插入到高嶺土的層間,並與高嶺土的內表面
羥基形成了
氫鍵。
-
The absorption is ascribe to physical absorption. silane combines with h of hydroxyl on surface of sericite, the absorption is ascribe to chemical absorption. in silane and stearic acid cooperation modification, c = o absorption peak appears in spectrum and the regional vibration of si - o - si becomes wide, which shows the physical absorption of stearic acid and chemical absorption of silane produce an effect on surface of sericite
採用紅外光譜對絹雲母改性機理進行分析,結果表明,硬脂酸改性絹雲母吸附強度較弱,容易脫附,以物理吸附為主;硅烷改性絹雲母,與絹雲母表面的
羥基形成
氫鍵,以化學吸附為主;硅烷與硬脂酸復合改性,其光譜中出現了c = o鍵特徵吸收峰,並且si ? o 、 si ? o ? si振動吸收區變寬表明復合偶聯劑在絹雲母表面既有硬脂酸的物理吸附,又有硅烷的化學吸附。
-
Thiolysis hplc will be better for the dihydrochalcones which includes the compounds of xyloglucose phloretin and phloretin, the catechins and their end units. unthiolysis hplc will be better for the hydroxycinnamic acids, procyanidin b2 and catechin monomers. 2
硫解hplc分析兒茶素類及其末端單元和二
氫查耳酮(根皮苷和木糖根皮苷) ;非硫解hplc分析
羥基肉桂酸類、原花青素b2 、花青素及兒茶素單體。
-
By choosing different solvents, concentrations and temperatures, and using nmr spectrum technique, to determine the hydroxyl of z / e isomers of perillartine, the concentration of which was 3. 125 mg / ml, present different chemical shifts in c6d6, solvent and carbon tetrachloride and in the 1h nmr, and accordingly, conduct qualitative and quantitative analysis of z / e isomers of perillartine
摘要本文利用核磁共振波譜儀,通過對紫蘇葶溶液不同溶劑、不同濃度和不同測試溫度的選擇,使順式結構和反式結構的紫蘇葶
羥基峰在核磁共振維
氫譜中呈現出不同化學位移值,從而對其順式結構和反式結構進行了定性、定量分析。
-
Economy ? series of guar gums are absorbed very rapidly on the cellulose fibres owing to their structural similarity with cellulose and in addition they carry a large number of hydroxyl groups, suitable for the formation of hydrogen bonds
這里的瓜爾膠系列產品都能很快地被纖維細胞所吸收,是由於它們的細胞結構和纖維細胞非常相像,其次它們帶有大量的
羥基團適合
氫鍵的形成。
-
By mixing with bioactive fillers, such as hydroxyapatite ( ha ), a bony bond can be established on the interface between the composite material and the host bone. it is considered that a higher interfacial strength resulted from the chemical bonding can prevent the aseptic loosening
其表面的羥基容易導致彼此之間以氫鍵產生團聚; ha是一種極性的、親水的物質,在弱極性的有機母相中,將產生二次團聚,很難用物理方法解聚。