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相关语句
  shoot
     To subculture the young shoot on MS+BA1-1.5mg/L+NAA 0.2mg/L+GA_32mg/L for 40 days the rate of shoot proliferation was above 3.5. It showed that the concentration of BA in media 1~1.5mg/L is good for shoot multiplication.
     将嫩接种于MS+BA1~1.5mg/L+NAA0.2mg/L+GA_32mg/L的培养基中培养40天,增殖系数可达3.5以上。
短句来源
     Shoot regeneration rate was the highest on NN69 supplemented with 5 mg/L BA and 0.1 mg/L NAA, D'Anjou was 100%, Red D'Anjou was 85.7%.
     NN6 9附加BA5mg/L及NAA 0 .1mg/L ,不定再生率最高 ,绿安久达 10 0 % ,红安久为 85 .7%。
短句来源
     The best combination of phytohormones was BAP 0.5ppm+NAA0.005ppm, the best ratio of BAP: NAA was 100:1 to bud and effective shoot multiplicaling.
     芽及有效嫩增殖最佳的激素组合为BAP0.5ppm+NAA0.005ppm,BAP:NAA的最佳比例为100:1。
短句来源
     in the new shoot leaves after the autumn growth period, the ratio was 0.302 ABA : 0.039 GA1+3: 32.630 IAA : 67.029 CTKs, the CTKs quantity was made up of 65.438% ZRs and 34.562% iPA.
     秋停止生长时叶片的构成比率为ABA 0.302%、GA1+3 0.039%、IAA 32.6 30%、CTKs 67.029%,其中CTKs由65.438%ZRs和34.562%iPA组成。
     Comparing with the hormone quantity which as 100 obtained from the control plants, ABA quantity of the treatment leaves in the spring shoot was 140.14, GA1+3 was 62.89, IAA was 86.75, CTKs was 144.58, ZRs was 149.69, iPA was 128.90, the sum of the hormone was 120.72;
     当以对照树新叶中每种激素平均含量作为100时, 处理树春叶中的ABA相对含量为140.14、GA1+3为62.89、IAA为86.75、CTKs为144.58、ZRs 为149.69、iPA为128.90、激素总量为120.72;
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  shoots
     6-BA and NAA was more efficient than the others, 3 subcultures of leaf discs from adventitious shoots on the medium amended with MS+6-BA3mg/L+NAA0.2mg/L GA30.5mg/L+AgNO35.0~10.0mg/L gave 6.4% of regeneration frequency.
     在MS+6-BA3mg/L+NAA0.2mg/L+ GA30.5mg/L+AgNO35.0~10.0mg/L 培养基上,通过3 次继代培养的不定的叶片,再生不定芽的频率达6.4%。
短句来源
     When the nodular calli of the three varieties were transferred to 1/2 MS medium added with1.0mg/l BA and cultured for 43 days,respectively,rates of regenerated adventitious shoots were 1.6%—30%.
     当三个品种的球状愈伤组织分别转移至1/2MS附加BA1.0mg/1培养基上,不定分化率为1.6%—30.0%。
短句来源
     The optimum spraying periods for control of the canker werethat when the spring,summer and autumn shoots were 4-5cm,6-7cm and5-6cm in length,and when the fruit sizes were 0.8-1.0cm,1.8-2.0cm and2.8-3.0cm in cross diameter,respectively.
     溃疡病药剂防治适期是春、夏、秋长分别为4—5、6—7、5—6cm 时,以及果实横径为0.8—1.0、1.8—2.0、2.8~3.0cm 时。
短句来源
     Stem sections of side autumn shoots of 'Thompson seedless' grape as in vitro plants adopted in middle September were cultured. The suitable culture medium B5+6-BA 2.0 mg/L+IBA0.5 mg/L+3% suger+0.6% agar,pH was regulated 5.8~6.0.It was the best medium for in vitro culture of grape stem section for bud initiation.
     该试验采用无核白鸡心葡萄秋季副的茎段为外植体,最佳的取材时间为9月中旬,适宜的基本培养基为B5+6-BA2.0mg/L+IBA0.5mg/L+3%蔗糖+0.6%琼脂,pH值调至5.8~6.0,为无核白鸡心葡萄茎段离体培养的最佳启动萌芽培养基;
短句来源
     BA was more efficient than TDZ, 3 subcultures of leaf discs from adventitious shoots on the medium amended with WPM + BA 5mg/L +IBA 0.7mg/L gave 52.4% of regeneration frequency.
     在WPM +BA 5mg/L +IBA 0 .7mg/L培养基上 ,通过 3次继代培养的不定的叶片 ,再生不定芽的频率达 5 2 .4%。
短句来源
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  tip
     Among the grapevine description character, color of shoot tip(OIV 002,003),tendrils distribution type,changing of leaf type,hair on lower surface of mature leaf(OIV 084,085),size of mature leaf(OIV 065),hair on shoot tip(OIV 004,005),basic shape of teeth, bunch density(OIV 204) are very important in wild grapevine taxonomy native to Yunxi.
     在野生葡萄描述性状中,尖颜色(OIV 002,003)、卷须分布类型、叶型变化、成龄叶背绒毛(OIV 084,085)、成龄叶大小(OIV 065)、尖绒毛(OIV 004,005)、锯齿基本形状、果实紧密度(OIV 204)等对郧西野生葡萄分类具有很重要的价值。
短句来源
     It is shown that the effciency of the propeller with sawtooth shape tip is increased about 2.5% at heavy loading condition and the vibration and noise descend 44.2% and 3_5dB simultaneously.
     试验结果表明 ,用锯齿形叶螺旋桨在高负荷时效率可提高2 .5 % ,激振力降低 44 .2 % ,噪声下降 3 -5dB。
短句来源
     The strongest electroantennogram (EAG) response was evoked by Z-9-tetradecenyl acetate (A), Z-11-hexadecenyl acetate (B), Z-11-hexadecenal (C) and Z, E-g, 11-tetradecenyl acetate (D) to the antenna of the male moth of the pine tip moth Dioryctria rubella Hampson (Lepidoptera: Pyralidae). The biol ogical activities of the four compounds in different proportion were confirmed in field tests.
     在46种标样化合物中,4种化合物激起本种松螟Dioryctria rubella Hampson(鳞翅目螟蛾科)雄蛾强烈的触角电位(EAG)反应,它们是Z9-14∶Ac(A),Z11-16∶Ac(B),Z11-16∶ALD(C),和Z9E11-14∶Ac(D)。
短句来源
     The results showed that the yield of spring tea,sprouting time of spring tea tip by light-pruning after spring tea and summer tea were increased by 46. 54%,39. 25%and advanced 7 -10 days than that of light-pruning after autumn tea separately;
     结果表明:春茶、夏茶后轻修剪的春茶产量,分别比秋茶后轻修剪提高46.54%、39.25%,春萌发时间提早7~10天;
短句来源
     he best fertilizer applying period was on the 9th of February for bud fertilizer,the 31st of March for spring tip and the 20th of May for summer tip;
     最佳施肥期是2月9日、3月31日、5月20日,分别施萌芽、春、夏肥;
短句来源
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  cycle shoot
     In the fields,satisfactory effects were achieved in controlling the disease by successive spray with Bordeaux mixture(1%)or 40% thiram(1:600)three times at ten-day intervals at the beginning of spring cycle shoot formation.
     用1:1:100波尔多液和600倍40%的福美双液于春抽发期每10天左右连续喷3次,其防治效果较好.
短句来源
     There are 3 kinds of shoots-spring cycle shoot, summer shootand autumn shoot-sprouting yearly on the Citrus changshan-hugou, with springcycle shoot being dorminant,Spring cycle shoot is also a main fruit bearingmother shoot, which accounts for 90.90%~100.00%in adult trees,96.89%~99.16%in trees that begin fruiting.
     常山胡柚每年抽发春、夏和秋3种枝,以春为主。 春是主要结果母枝,成年树占96.90%~100.00%,初投产树占96.89%~99.16%。
短句来源
     As a desirable fruit bearing shoot,spring cycle shoots should have a diameter of over 0.30 cm, But it’s not easyfor spring cycle shoot with a thickness of over 0.40 cm to spring fruitbearing shoots.
     枝粗大于0.30cm的春结果母枝较为理想,但枝粗大于0.40cm的春不易抽生结果枝。
短句来源

 

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  shoot
The root hydraulic conductance (LP) determined by radical water transport inside the root is a major influence on the shoot water status, plant growth, and development.
      
mosseae increased plant height, stem diameter, leaf area, shoot dry weight, root dry weight and plant dry weight, when the soil water content was 20%, 16% and 12%.
      
The results showed that slight sand burial could accelerate ramet growth and enhance leaf biomass, stem biomass and shoot biomass, while heavy sand burial reducesed the biomass of the plant and impairs survival and growth of the ramets.
      
Under heavy sand burial, ramets connected to other ramets not buried in sand were more in terms of height increment, stem biomass, leaf biomass and shoot biomass compared to the ramets encountering sand burial but disconnected from other ramets.
      
The original and transgenic plants exhibited differences in shoot development, which were observed both in control settings (no ambiol) and in the presence of various ambiol concentrations.
      
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  shoots
Physio-ecological response of Haloxylon persicum photosynthetic shoots to drought stress
      
It was due to stomatal limitation and osmotic organic molecules accumulation that would affect the photosynthetic shoots to resist severe drought stress.
      
canadensis reproduces asexually via underground rhizomes and nodes on the stem base to recruit new individuals, and in plants that experience mechanical damage, this reproductive strategy is used to produce clonal shoots.
      
Further, with increasing mechanical damage, the quantity of shoots produced by the plant decreases.4)The morphological parameters of the root system of S.
      
In this paper, Artemisia ordosica, which grows in the Tengri Desert, was selected to analyze the changes in the plant water potentials in the soil-plant-atmosphere continuum (SPAC), the water contents in the roots, shoots and leaves of A.
      
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  tip
AFM-tip-induced crystallization of poly(ethylene oxide) melt droplets
      
The AFM-tip-induced crystallization of poly(ethylene oxide) (PEO) melt droplets was studied.
      
For the PEO samples with average molecular weights (Mn) ranging from 1.0 × 103 g/mol to 1.0 × 104 g/mol, the lateral perturbation from the AFM tip in the hard-tapping or nanoscratch modes could not induce the growth of the flat-on lamellae.
      
In contrast, under AFM nanoindentation mode, the tip-induced crystallization occurred when a sufficiently high vertical tip force was applied to the melt droplets of PEO with Mn ? 1.0 × 104 g/mol.
      
Moreover, the experimental results indicated that the AFM-tip-induced crystallization of PEO in the nanoindentation process had molecular weight dependence.
      
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  其他


The present paper gives a report on the observations of the citrus psylla, Diaphorina citri Kuwayama, found in Focchow and Changchow of Fukien Province. The insect has been reported as an important citrus pest in south-eastern Asia, and is heretofore recorded from Kwangtung by Hoffmann (1936) and from Taiwan by Shiraki (1934). The citrus psylla attacks l3 species of plants of the family Rutaceae. Eggs are laid on the leaves of the young growth. The feeding of both the nymphs and adults on foliage of the new...

The present paper gives a report on the observations of the citrus psylla, Diaphorina citri Kuwayama, found in Focchow and Changchow of Fukien Province. The insect has been reported as an important citrus pest in south-eastern Asia, and is heretofore recorded from Kwangtung by Hoffmann (1936) and from Taiwan by Shiraki (1934). The citrus psylla attacks l3 species of plants of the family Rutaceae. Eggs are laid on the leaves of the young growth. The feeding of both the nymphs and adults on foliage of the new terminal growth results in the leaves, becoming thick and leathery. The leaves and the young shoots are usually distorted, dwarfed, or in severe cases, even dried. The annual life cycle of the insect in Fukien Province has not been investigated thoroughly. However, preliminary observations made during the year of 1952 show that different developmental tsages of citrus psylla could be found all the year round. There is no marked phenomenon of hibernation. Concentration of a number of adults on the same leaf usually occurs during the winter months. Both nymphs and adults become very abundant in April when dam- ages are most severe. Sixteen days are required for the insect to complete a generation in August. The number of individuals de- creases after September. The nymphs are attacked heavily by three species of chalcid parasites of the family Encyrtidae. Morphological descriptions of the different stages of the insect are also given in this paper.

柑桔木虫分布于亚洲东南的热带和亚热带地区,为害芸香科植物,是柑桔类主要害虫之一。国内除台湾、广东外,其他各地尚无报告。现知福建的福州、漳州也都有,本文系在福州观察的记述。成虫栖息取食常在芽和叶里的叶脉上。产卵于嫩芽,若虫孵化后就在新为害。被害叶芽枯干,枝萎缩,新叶畸形卷曲。生活史尚待详细研究,但根据一年来的初步观察,一年到头都可以找到各个虫期;自四月以后为害渐见严重,至九、十月则逐渐减少。夏季完成一个世代约需十六天。冬季多以成虫密集叶里,但无休眠迹象。育得跳小蜂科寄生蜂三种,九月至十一月若虫被寄生者甚多。本文对于柑桔木虫各期形态有简略的叙述。

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...

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,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。

This paper is a description based on the Sinanthropus materials including5 teeth and two fragments of humerus and tibia recovered since the restorationof the Choukoutien excavation in 1949.The teeth of Sinanthropus are much bigger than those of modern man.Theleft medial upper incisor bears well-developed basal tubercle on the lingualsurface.The upper first and second premolars are robust in size and theirchewing surfaces are covered with wrinkles of special patterns.The crowns ofthe first and second lower molars...

This paper is a description based on the Sinanthropus materials including5 teeth and two fragments of humerus and tibia recovered since the restorationof the Choukoutien excavation in 1949.The teeth of Sinanthropus are much bigger than those of modern man.Theleft medial upper incisor bears well-developed basal tubercle on the lingualsurface.The upper first and second premolars are robust in size and theirchewing surfaces are covered with wrinkles of special patterns.The crowns ofthe first and second lower molars are characterized by their lowness in relationto their lengths and breadths.Pronounced cingulum is present on the buccalsurface of the crown.The humeral shaft is almost identical with that of modern man.Thetibial shaft is slender and its anterior border is blunt.The walls of the tibiaare extraordinarily thick and its medullary cavity is very narrow.The results of the study of Sinanthropus pekinensis by the present authorsand others clearly show that the upper extremity bones of Sinanthropus arealmost identical with those of modern man;the lower extremity bones are definitely human in form and appearance,but possess also some primitive cha-racters.The teeth and skulls possess many primitive features.The cranialcapacity is considerably smaller than that of recent man.It is due to labour,and the operations of the hands that the upper extremity is differentated fromthe lower one.The differentiation of the extremities is followed by the deve-lopment of the brain and the brain case.These results further enrich Engels'theory of the transition from ape to man and testify to the truth that“labour(?)eated man himself”.

1.本文系根据1949年北京解放后迄今在周口店中国猿人化石产地发掘而得的及由过去发现的碎骨中清理而得的中国猿人化石,加以研究,计有单独的牙齿5枚(左上内侧用齿,右上第一及第二前臼齿,左下第一和第二臼哲各1枚),肱骨及胫骨干各一小段,而胫骨化石是在周口店首次发现的新材料。2.中国猿人的牙齿有大小两种头型,大型为男性,小型为女性,本标本中的上门齿,下第一及第二臼齿属大型,所以是男性的,上第一及第二前臼齿属小型,所以是女性的。3.中国猿人的牙齿,无论其齿冠或齿根,都远较现代人或尼安德特人为硕大和粗壮。4.上内侧门齿齿冠舌面的基部有很发达的底结节及由其延伸而来的指状突, 舌面两侧增厚且向内捲而使舌面成为铲形?莞氤莨诘某ぶ嵩谝恢毕呱隙蝗缦执说某莞氤莨诘某ぶ岢欢劢恰?.上第一前臼齿的齿冠和齿根都大而粗壮。齿冠的唇面有三角形隆起,但其尖端偏向前方。唇结节较舌结节为大和高,嚼面的唇半大于舌半,具有特殊型式的纹理。齿根极宽,部分分为唇舌两枝。6.上第二前臼齿稍较上第一前臼齿为小,舌结节不如第一前臼齿的倾向前方。唇舌两正中(?)互相连续而将嚼面分为前后两半。唇舌两结节的大小和高度约等。齿冠唇面三角形隆起的尖...

1.本文系根据1949年北京解放后迄今在周口店中国猿人化石产地发掘而得的及由过去发现的碎骨中清理而得的中国猿人化石,加以研究,计有单独的牙齿5枚(左上内侧用齿,右上第一及第二前臼齿,左下第一和第二臼哲各1枚),肱骨及胫骨干各一小段,而胫骨化石是在周口店首次发现的新材料。2.中国猿人的牙齿有大小两种头型,大型为男性,小型为女性,本标本中的上门齿,下第一及第二臼齿属大型,所以是男性的,上第一及第二前臼齿属小型,所以是女性的。3.中国猿人的牙齿,无论其齿冠或齿根,都远较现代人或尼安德特人为硕大和粗壮。4.上内侧门齿齿冠舌面的基部有很发达的底结节及由其延伸而来的指状突, 舌面两侧增厚且向内捲而使舌面成为铲形?莞氤莨诘某ぶ嵩谝恢毕呱隙蝗缦执说某莞氤莨诘某ぶ岢欢劢恰?.上第一前臼齿的齿冠和齿根都大而粗壮。齿冠的唇面有三角形隆起,但其尖端偏向前方。唇结节较舌结节为大和高,嚼面的唇半大于舌半,具有特殊型式的纹理。齿根极宽,部分分为唇舌两枝。6.上第二前臼齿稍较上第一前臼齿为小,舌结节不如第一前臼齿的倾向前方。唇舌两正中(?)互相连续而将嚼面分为前后两半。唇舌两结节的大小和高度约等。齿冠唇面三角形隆起的尖端并不偏向前方而在正中位置。齿根仅在尖端分为唇舌两枝。7.下第一及第二两臼齿大小相似。齿冠硕大,但其高度若与其长度和宽度相比,则相对极为低矮。齿冠唇面有明显的扣带,两臼齿全属五结节齿型,以前内结节为最高和最大。齿根极为粗壮,分为前后两枝,前枝较短而直,后枝则较长而明显向后倾斜。前枝末端分叉,后枝末端则为单独一尖端。8.肱骨干完全具有现代人的形式,唯一真正与现代人的不同之点在共髓腔较小和骨壁较厚,此外其三角肌粗隆特别发达。9.胫骨细长,前缘较为圆钝,中段的横切面呈圆钝的三稜形。胫骨干中央大部为海棉骨质所填充,髓腔极小。中国猿人的胫骨较苏鲁人稍细,但两者颇为相似。10.过去及本文对于中国猿人化石研究的结果,明显指出中国猿人的上肢骨与现代人极为相似;下肢骨虽已具有现代人的形式,但又有若干明显的原始性质;而牙齿及过去发现的头骨,则远较现代人为原始,脑量也远在现代人之下,说明了最初是由于劳动,由于手的使用而使手足发生了分化,脑子随着发展了起来,头骨和牙齿的形态发生了改变,这种结果进一步充实了恩格斯从猿到人的理论,阐明了“劳动创造人类”的真谛。

 
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