黃原素 的英文怎麼說
中文拼音 [huángyuánsù]
黃原素
英文
xanthogen-
Results emodin, astragaloside, protocatechuic aldehyde, paeoniflorin, bupleurum root, and barbary wolfberry fruit could be detected with thin layer chromatography, in which distinct, reproductive and specific spot responsible for every ingredient was observed
結果在薄層色譜中均能檢出大黃素、黃芪甲苷、原兒茶醛、芍藥苷、柴胡、枸杞子,且色譜斑點清晰,重現性好、專屬性強。This paper explained the technology that taking calces of pyrite as theraw materials, using the way of chemical process of mineral, dislodging the detrimental impurities with the measures of dipping lye and dipping acid oxide, wich aimed to get the rate of recovery of valuable metallic elements au 87 %, ag 76 %, cu 82 %
摘要以黃鐵礦燒渣為原料,通過化學選礦的方法,採用堿浸及氧化酸浸的工藝,除去有害雜質和回收有價金屬元素金、銀、銅,回收率分別為87 % 、 76 % 、 82 % 。In peel of citrus fruit, red cultivar " mantouhong " accumulated mainly p - citraurin component, whereas orange cultivar " owari satsuma mandarin " accumulated mainly p - cryptoxanthin component. 4. effects of shading fruit with opaque paper bag at the late stage of fruit enlargement on change in chlorophyll, carotenoid, sugar content and peel color in " hongshigan " citrus ( c. suavissima hort. ex tanaka x c. sinensis osbeck ) were examined
與光照處理相比,遮光前期果皮糖含量下降不大,而後期下降明顯;若在後期去袋照光,果皮糖含量上升,與此相應,類胡蘿卜素,尤其是卜隱黃質的積累增加,顏色加深,這一結果表明光對果皮類胡蘿卜素合成尤其是卜隱黃質的積累有促進作用,其原因可能是光以環境信號的方式影響果皮的類胡蘿卜素形成。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。Staphylococcal food poisoning is resulted from the ingestion of enterotoxins preformed in food by certain strains of s. aureus. staphylococcal enterotoxins ( ses ) are categorized to a family of seven major serological types of emetic enterotoxins with heat stability
金黃色葡萄球菌(簡稱金葡菌, staphylococcusaureus )是常見的食物中毒和醫院污染的主要病原菌之一,金葡菌能產生多種體外毒性蛋白,其中最重要的是葡萄球菌腸毒素( staphylococcalenterotoxins , ses ) 。At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。The other is ferredoxin / thioredoxin system located in nonphotosynthetic tissue and cytosol of photosynthetic cell, which includes ferredoxin, ferredoxin dependent thioredoxin reductase, thioredoxin h. this two system constitutes important cellular redox regulatory system and can regulate the redox intercellular environment, metablism and signaling transduction
另一個是nadp ( h ) -硫氧還蛋白系統,該系統是由h -型的硫氧還蛋白、 nadp ( h ) 、和依賴于nadp ( h )的硫氧還蛋白還原酶(一種黃素蛋白)組成。Phytoalexins are low molecular weight chemicals that plants produce and accumulate in response to infection especially of fungal origin. sakuranetin is a kind of flavanone phytoalexin isolated from ultraviolet - irradiated rice leaves. recent research work on flavanone phytoalexins represented by sakuranetin is reviewed. interesting novel structures, stucture - activity relationships and synthetic methods are discussed
植物抗毒素是植物受到外界病原微生物侵擾后所產生並積累的一類具有抗菌活性的小分子物質,櫻花素是從水稻稻瘟病感染組織中分離鑒定的一種黃烷酮類植物抗毒素.對以櫻花素為代表的水稻抗毒素及其類似物的結構與活性、黃烷酮類植物抗毒素合成方法的研究概況進行了綜述Landscape pattern analysis for loess plateau
黃土高原土壤中微量元素的中子活化分析The flooding of yellow river led to the change of soil microelement, which in turn played an invisible role in the disintegration of the civilization of huanghuaihai plain
摘要由於黃河泛濫造成的土壤的微量元素的變化是黃淮海平原文明衰變過程中一隻看不見的手。The great bustard is polyphagia bird, but it feeds mainly on plants. the feeding field habitat selection relate with that whether the grassland burn or not last year. the important factors that determine the feeding field selection are the plant species, vegetative cover score. density hemerrocallis minor and the density of pedacularis sp. on burning grasslandsjthe density of vegetation. insects quanlity. plant species richness and the height of plant are the main factors that determine the feeding field selection on unburning grasslands
大鴇是雜食性鳥類,但以植物性食物為主。對于取食地的選擇往往跟草原上一年是否被火燒過有關。在火燒地,植物種類數、植被蓋度、小黃花菜密度和蒿密度是取食地選擇的重要因素;在非火燒地,植被密度、昆蟲數量、植物物種豐富度及植物高度在大鴇取食地選擇中發揮重要作用。Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record
粘土礦物、碳酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨勢分析、 poc c ~ ( 13 )及底質沉積物的c ~ ( 13 )等多方面研究表明:以黃海暖流為主導,南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質,黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。The ps ii native fractions ( 20 % and 30 % ) were loaded onto a deae column. the fraction eluted with 150 mm nacl was presented dcip reduction activity and was highly depleted in chi c and xanthophylls, and as such could be considered a ps ii core complex
對于有dcip光還原活性的20和30層帶的復合物,進一步deae離子交換層析純化。 150mmnacl洗脫純化后的樣品經過熒光激發光譜測定發現,已經去除了葉綠素c和墨角藻黃素,並且仍然具有dcip的光活性,分析是ps核心復合物。There are some nutritional factors and antinutritional factors in soy, nutritional factors include soy phospholipid and soy isoflavone, antinutritional factors include trypsin inhibitors, antigenic protein, lectins and phytic acid, soy oligosaccharides and soy saponins have nutritional and antinutritional effects
摘要大豆中含有抗營養因子和營養因子,營養因子包括大豆磷脂、大豆異黃酮等,抗營養因子包括蛋白酶抑制因子、抗原蛋白、凝集素、植酸等,大豆低聚糖和皂甙具有營養和抗營養雙重作用。Tea ( camellia sinensis ) is one of the most common beverages consumed worldwide. tps ( tea pplyphonels ) are most abundant in green tea and they are mostly in the form of flavanols commonly known as catechins which include ( - ) - epicatechm ( ec ), ( - ) - epicatecbjn - 3 - gallate ( ecg ), ( - ) - epigallocatechin ( ecg ), ( - ) - epi gallocatechin - 3 - gallate ( egcg )
茶多酚( teapolyphonels , tps )是以茶葉為原料提取出來的一類多酚類化合物,除含有酚酸、黃酮、黃酮醇和花色素外,其主要成份是茶兒茶素(黃烷醇類) ,約佔tps的60 - 80 。In this paper, we selected a widely used organophosphorous pesticide - - monocrotophos, used goldfish as model animal, and chose the vitellogenin induction of male fish as the main indicator, - gtp of sertoli cell in testes, the changes of microstructures of testis and ultrastructures of pituitary and testis as assistant indicators, we finally built up a screening system to effectively detect the environmental estrogen effect of organophosphorous pesticides, and reported that the monocrotophos had the activity of environmental estrogen for the first time in the world
因此,本文選擇國內廣泛使用的有機磷農藥? ?久效磷,以金魚為模型生物,以雄性金魚卵黃原蛋白產生、精巢支持細胞- gtp酶活性,並輔以生殖軸線器官? ?垂體和精巢超微結構的變化,在國內首先建立了有機磷農藥環境雌激素效應的篩選體系,並首次確認久效磷具有環境雌激素活性。Analyze the yellow river estuary sediment transport and distributing affected factors, utilize the field measured data, based on the hydraulics, river hydrodynamic and statistics fundamental theory, analyze the estuary sediment transport and settling deposition regulation, yellow river estuary gate area sediment deposition mechanism and estuary delta coastline dynamic balance, and some important achievements acquired
研究報告分析了黃河河口泥沙輸移和分佈的影響因素,利用實測資料,運用水力學、河流動力學、統計學等基本理論和原理,對河口泥沙輸移及其分佈規律、黃河河口口門區域泥沙沉積機理以及河口三角洲岸線的動態平衡問題進行了分析探討,並取得了部分重要認識和進展。In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4The optimal preparing conditions were found to be as follows : the initial viscosity of cellulose xanthate ranging from 5, 000 to 8, 000 cst, the mixture of pump oil and chlorobenzene with a 6 : 1 mass ratio as disperse phase, the mass ratio of disperse phase to water phase at 6 : 1, the mixing speed at 350 ~ 400 rpm
詳細研究了一些影響復合微球形成的因素,得到較優的工藝條件為:纖維素黃原酸酯粘膠粘度為5000 8000cst ,分散相為6 : 1 ( w w )泵油和氯苯混合物,攪拌速度為350 400rpm 。Methods to investigate the suspending effect of the following hydrophilic polymer : hpmc, cmc - na, pvp k90, xanthan gum and mc
方法考察常用的羥丙基甲基纖維素、羧甲基纖維素鈉、聚維酮、黃原膠、甲基纖維素等輔料對干混懸劑的影響。分享友人