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botanical     
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  植物学
     Meiosis and botanical characters of Pennisetum purpureum Schumach
     象草(Pennisetum purpureum Schumach)的减数分裂及植物学特征
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     Advances in Study of RNA Interference and its Botanical Significance
     RNA干涉机制的研究进展及植物学意义
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     Genetic Analysis and Botanical Character in Male Sterile W205 AB Line of Marigold
     万寿菊W205雄性不育两用系的遗传及植物学特征研究
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     2. The effect of ~(12)C heavy ion beams irradiation to botanical characters of rapeseed.
     2.~(12)C重离子束辐照对油菜植物学性状的影响。
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     Botanical Characters Expression of Distant Hybrid F_1 in Mulberry
     桑树远缘杂交F_1代植物学性状的表现分析
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  植物
     According to the International Code of Botanical Nomenclature (ICBN), the taxa is combined into Roegneria tsukushiensis (Honda) B. R.
     按照国际植物命名法规(ICBN)上述两个材料应组合为:Roegneria tsukushiensis (Honda) B. R.
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     Development and Design of Instant Botanical Information System Based on D/S Architecture
     D/S架构即时型植物信息系统的开发设计
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     Results All of the cases ,82 cases of basically cured,(72 %)19 improved (17) ,4releasedfromthe hospital (3 .5 %) ,4 botanical existenceee(3 .5 %) ,11 5 mortalities(4 %) .
     结果基本治愈82例(72%),好转19例(17%),自动出院4例(3.5%),植物生存4例(3.5%),死亡5例(4%)。
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     In terms of the International Code Botanical Nomenclature (Article 36. 1, 37.1 and 11.3), the Latin names of two subspecies of rice Should be established as Oryza sativa L. subsp, japonica Kato and Oryza sativa L. subsp, indica Kato.
     根据《国际植物命名法规》规则第36.1、37.1、及11.3的规定,稻二亚种的拉丁学名应为Oryza sativa L. subsp.
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     Development of 2.5% Sankusu aqueous solution,a botanical pesticide
     植物源杀虫剂2.5%三苦素水剂的开发试验
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  植物源
     Development of 2.5% Sankusu aqueous solution,a botanical pesticide
     植物源杀虫剂2.5%三苦素水剂的开发试验
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     Research and Application of Botanical Acaricides
     植物源杀螨剂研究与应用前景
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     Studies and applications of botanical insect antifeedants
     植物源昆虫拒食活性物质的研究和应用
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     This system was designed by Visual Basic 6.0 and Microsoft Access 2004.It can perform the expert action and concide to the need of the research and development of botanical pesticide.
     该系统是用Visual Basic 6.0 和Microsoft Access 2004 设计而成,在植物源农药的研究与开发中能起到一定专家的作用,符合当前植物源农药学科发展的需要。
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     Advances in Research and Application of Botanical Pesticides
     植物源农药的研究和应用进展
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  植物性
     The Development of Botanical Pesticide
     植物性农药的发展
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     14.246,6.231,4.753. Above studies have improved that the physical and medical steady the new compound preparations with botanical insecticide were
     14.246,6.231,4.753。 上述结果证实,利用植物性杀虫剂研制出物理和化学性质较为稳定、的新复方制剂是抗动物微小牛蜱高效、低毒,较为理想的药物。
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     Using the botanical pesticide KPT EC to control the Phyllonistis citrella by leaf and new shoot immersion at the concentration of ai. 30, 15 mg/kg respectively, results showed that the moralities of the larvae after 5 days' treatment were 89.63%, 63.02% by 3s' leaf immersion.
     用植物性杀虫剂苦皮藤素Ⅳ(KPT乳油)有效成分30、15mg/kg防治柑橘潜叶蛾,采用离体叶片浸叶法处理5s,3d后,幼虫校正虫口减退率分别为89.63%、63.02%;
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     The Prospect of Botanical Pesticides in China
     中国植物性农药开发前景
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     Botanical safeners can protect crop plants from herbicides injury , and it don't result in new pressure to environment.
     植物性安全剂来源于植物,能够保护作物免受除草剂的药害,且不降低除草剂的活性,环境相容性好,不会给环境造成新的压力。
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  botanical
Seasonal dynamics of the structure of bacterial communities and, in some soil types, its spatial dynamics accounted for by changes in the botanical structure of peat across its profile have been revealed.
      
The dependence of the characteristics of the regional floras on their positions in the system of botanical-geographic zones, the size of the protected area, and other factors have been studied in these reserves.
      
Five classes of ecologically valuable areas are distinguished according to the need for integrated protection of landscapes and their components or botanical and zoological objects.
      
Experience in Combined Glaciological and Botanical Studies on the Primary Plant Successions on Young Moraines in the Central Alt
      
A comprehensive study of paleobotanical materials collected in the northern part of the Eastern Sayan was performed, including botanical analysis of peat, palynological and carpological analysis, and radiocarbon dating.
      
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1. Each spieces of plant possesses a particular kind of pollen grain, therefore the morphological characters of pollen grains may be used for the identification of the botanical origin of certain crude drugs. 2. 46 kinds of Chinese drugs included in the Pen-tsao have been examined for their pollen grains. Full descriptions of the pollen grains found in these drugs are given together with an analytic key and 31 figures. 3. The pollen grain was first observed under microscope in dry form to see its side...

1. Each spieces of plant possesses a particular kind of pollen grain, therefore the morphological characters of pollen grains may be used for the identification of the botanical origin of certain crude drugs. 2. 46 kinds of Chinese drugs included in the Pen-tsao have been examined for their pollen grains. Full descriptions of the pollen grains found in these drugs are given together with an analytic key and 31 figures. 3. The pollen grain was first observed under microscope in dry form to see its side view, and then put into solution to absorb moisture and swell up to spherical form for the purpose of observing its polar view.

(1)每种植物的花粉,各有特殊的形状,因此花粉的形态特徵对於鉴定中药,尤其粉末生药的原植物有很大帮助。(2)本文叙述46种中药的花粉,除作形态的描述外,并编一分析检索表,另附三图版共31图。(3)本文所述花粉的形态,包括乾燥的侧面形,及吸湿膨胀後所现的极面形。本文曾由楼之岑教授提出宝贵意见,附图为刘安佑同志所绘特此致谢。

Chang Shan, the subterranean portion of Dichroa febrifuga Lour. (family Hydrangeaceae), and Shu Chi, the leafy tops of the same plant, have been used in Chinese medicine more than two thousand years, but their antimalarial action has been scientifically proved and constituents investigated only in recent years. A brief account of their history, botanical source, plant habit, cultiva-tion and collection and a detailed description of their sensory, macroscopical and microscopical characters are given. ...

Chang Shan, the subterranean portion of Dichroa febrifuga Lour. (family Hydrangeaceae), and Shu Chi, the leafy tops of the same plant, have been used in Chinese medicine more than two thousand years, but their antimalarial action has been scientifically proved and constituents investigated only in recent years. A brief account of their history, botanical source, plant habit, cultiva-tion and collection and a detailed description of their sensory, macroscopical and microscopical characters are given. The important diagnostic features of Chang Shan are:-vessels with long oblique end-plates having well-marked scalariform perforations and often containing tyloses; septate xylem-fibres; idioblasts containing bundles of acicular crystals embedded in mucilage; thick-walled pericyclic fibres; the deep-seated origin of the cork. A well-marked medullary sheath of thick-walled, lignified and pitted parenchyma occurs in the pith of both the stem and rhizome. The important diagnostic features of Shu Chi are:-thick-walled, warty, unicellular trichomes; paracytic (rubiaceous) stomata; epidermal cells with pitted anticlinal walls and finely striated cuticle; water-pores in the teeth of the leaf; idioblasts with bundles of acicular crystals em-bedded in mucilage; droplets of fixed oil in most of the cells of the leaf; thick-walled pericyclic fibers from the stem as well as deep-seated cork and characteristic vessels as seen in the subterranean organs. The significance of some of the microscopical findings as a further illustration of the connexion between anatomy and taxonomy is also discussed.

1.常山是八仙花科植物黄常山Dichroa.febrifiuga Lour.的地下部分,而蜀漆是本植物的带叶枝梢,两者都有抗疟的效力。2.木文简单地介绍了前人研究常山的情况,然後详细地描述了,常出和蜀漆的性状和组织构造;并指出了某些组织特徵在分类学上的意义。3.常山的重要特徵是:(1)导管,末梢壁长而斜置,有显著的梯纹穿孔,并常含有侵填体;(2)分隔木纤维;(3)含草酸钙针晶束的异细胞,针晶束外有粘液包围;(4)厚壁的中柱梢纤维;(5)内生性的木栓层。根茎和茎的根部周围有显着的根鞘,根鞘由厚壁的木化细胞所成,壁上有单纹孔。 4.蜀漆的重要特征是:(1)厚壁有疣的单细胞毛;(2)平轴式气孔;(3)垂周壁上具有纹孔的表皮细胞;(4)叶绿锯齿上的水孔;(5)含草酸钙针晶束的异细胞,针晶束外有粘液包围;(6)脂肪油珠,存在於大多数叶肉细胞中。此外、并有由茎中来的厚壁的中柱鞘纤维和内生性的木栓层,以及特殊的梯纹导管,其形状和在地下器官部分所见的一样。

A new alkaloid, sipeimine, has been isolated by the authors from a Chinese drug, Si-Pei-Mu, with a yield of 0.12-0.2% (based upon the dry drug), being the highest for Fritillaria alkaloid so far. Sipeimine has an empirical formula C_(27)H_(43)O_3N, m.p. 269℃, [α]_D -33.8° (CHCI_3), [α]_D-39.4°(C_2H_5OH). It crystallises in colorless prisms, and is easily soluble in chloroform or ethyl acetate, soluble in methanol, ethanol, acetone or ether but insoluble in water, sodium hydroxide or petroleum ether. From it,...

A new alkaloid, sipeimine, has been isolated by the authors from a Chinese drug, Si-Pei-Mu, with a yield of 0.12-0.2% (based upon the dry drug), being the highest for Fritillaria alkaloid so far. Sipeimine has an empirical formula C_(27)H_(43)O_3N, m.p. 269℃, [α]_D -33.8° (CHCI_3), [α]_D-39.4°(C_2H_5OH). It crystallises in colorless prisms, and is easily soluble in chloroform or ethyl acetate, soluble in methanol, ethanol, acetone or ether but insoluble in water, sodium hydroxide or petroleum ether. From it, a hydrochloride in the form of a colorless, amorphous and hygroscopic powder with a m.p. 210° (sealed tube), [α]_D-51.1° (H_2O), a thiocyanate, C_(27)H_(43)O_3N·HCNS·H_2O, in the form of colorless prisms with a m.p. 170° (262° decomp.), an aurichloride with a m.p. 1638 (decomp.) and a platinichloride with a m.p. 239° (decomp.) are prepared. Sipeimine is a strong monoacidic tertiary base, containing one alcoholic hydroxyl group and one carbonyl group. Its methiodide, C_(27)H_(43)O_3N·CH_3I, colorless needles, m.p. 252°(decomp.), methoperchlorate, C_(27)H_(43)O_3N·CH_3ClO_4, colorless needles, m.p. 281° (decomp.), monoacetyl derivative, C_(29)H_(45)O_4N, colorless prisms, m.p. 189°, [α]_D-39.6° (CHCl_3) and mono-oxime C_(27)H_(44)O_3N_2, colorless needles, m.p. 171°, are obtained. It contains at least three carbon-methyl groups but has no active ethylenic linkage, nor has any active methylene group been detected. It does not form sparingly soluble digitonide with digitonin. From the similarity of its empirical formula, botanical origin and properties, sipeimine probably belongs to the steroidal alkaloids as peimine does. A partial formula is presented as follows:

由西貝母提得新植物鹼西貝素(sipeimine)C_(27)H_(43)O_3N,熔點269°,[α]_D——33.8°(CHCl_3),[α]_D-39.4°(C_(2)H_(5)OH),為無色柱狀結晶,易溶於氯仿,可溶於甲醇、乙醇、丙酮及醚,不溶於水、石油醚及苛性鹼溶液。其氫氯酸鹽,熔點210°;硫氰酸鹽,熔點262°;氯金酸鹽,熔點163°(分解):氯鉑酸鹽,熔點239°(分解)。西貝素合一個叔胺基[碘甲季銨鹽,熔點252°(分解)],一個醇羥基[乙醯西貝素,熔點189°,乙醯西貝素氫氯酸鹽,熔點271°(分解)],一個羰基(肟,熔點171°),及至少三個碳甲基。其部分分子式如下:

 
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