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peach
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    ACCUMULATION LEVEL OF 42 KINDS OF CHEMICAL ELEMENTS IN LEAF TISSUE OF PEACH TREES
    42种化学元素在树叶组织内的积累水平
短句来源
    CYTOGENETIC STUDY ON THE STERILITY OF PEACH FRUIT BORER Carposina nipponensis ( Wals.)
    小食心虫Carposina nipponensis(Wals·)辐射不育的细胞遗传学研究
短句来源
    The maximal rate of population increasing was 4.38n-1 in the apple orchard, was 3.96n-1 in the pear orchard, was 5.99n-1 in the apple, pear and peach orchard.
    种群最大增长率在苹果园为4.38n-1,梨园为3.96n-1,苹果、梨、混栽园为5.99n-1。
    Effect of Ripening, Wounding and Ethylene Treatment on Expression of ACC Oxidase Gene of Peach Tissue
    伤处理和乙烯对ACC氧化酶基因表达的影响
短句来源
    AMPLIFICATION OF PEACH ACC OXIDASE cDNA BY SINGLE SPECIFIC PRIMER AND EXPRESSION IN E.COLI
    用单个特异引物扩增ACC氧化酶cDNA及其在大肠杆菌中的表达
短句来源
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  桃树
    BACTERIUM STRAIN 1-1-4 Pseudomonas fluoresens FOR BIOCONTROL OF PEACH CROWN GALL DISEASE
    桃树根癌病的防治菌株荧光假单胞菌1-1-4
短句来源
    Cloning and Expression Analysis of β-galactosidase Gene cDNA in Peach
    桃树中β-半乳糖苷酶基因cDNA克隆和表达分析
短句来源
    Total RNA from young leaves of peach was extracted by chomczynsk’ single stepmethod of RNA isolation, which was partially modified on the basis of the features ofbiochemistry composition in fresh peach leaves.
    根据桃树叶片生化特点,应用 Chomcznski 一步法,并作了部分修改,从鲜叶中分离、提取总 RNA。
短句来源
    By the Blast programcomparison, the analysis of the product showed that the nucleotide shared more than 80%homologous to the corresponding parts of beta-galactosidase gene family of Pyraspyrifolia, Lycopersicon esculeutum, Arabidopsis thaliana, Cicer arietinum, Vigna radiateetc. The results indicate that 3285bp sequence is probably complete cDNA fragment ofbeta-galactosidase in peach.
    经 Blast 搜索表明:克隆所得碱基序列与已克隆出的沙梨、番茄、葡萄、拟南芥、鹰嘴豆、绿豆等植物体内 β-半乳糖苷酶基因的 cDNA 序列有80%以上的同源性,我们推断所得到的序列可能为桃树中 β-半乳糖苷酶基因 cDNA 的全长序列。
短句来源
    Experiments were carried out to study the morphological characters of Myzus persicae (Sulzer) on tobacco, rape and peach from different localities of China. The results showed that the number of accessory hairs on ultimate rostral segment had no difference among all samples in 14 mor phological characters used by Blackman in this study.
    对来自中国不同地区的烟草、油菜和桃树的桃蚜形态特征研究结果表明:在所研究的14个形态特征中,喙末节端部的次生毛的数目这一形态特征在所有的样本中均无显著差异。
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  “peach”译为未确定词的双语例句
    Effect of Water Stress on Enzyme of Carbohydrate Metabolism in Peach Source and Sink Leaves
    水分胁迫对“庆丰”桃源、库叶碳代谢酶活性的影响
短句来源
    Determination on the Vitality of Peach Pollen
    桃花粉生活力的测定
短句来源
    It was found that the major fatty acids in the ripening peach fruit included palmitic acid(16∶0),stearic acid(18∶0),oleic acid(18∶1),linoleic acid(18∶2)and linolenic acid(18∶3).
    结果表明 ,细胞膜脂脂肪酸组分主要有棕榈酸 ( 16∶0 )、硬脂酸 ( 18∶0 )、油酸 ( 18∶1)、亚油酸 ( 18∶2 )和亚麻酸 ( 18∶3)。
短句来源
    The peach pollen vitality of Zaohongbaoshi and Zaoloupantao were common under 5~15℃.
    早红宝石和早露蟠桃在5~15℃条件下花粉生活力一般。
短句来源
    peach kernel(2.87 %);
    桃仁含量次之,平均为2.87%;
短句来源
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  peach
When transferred onto plum and peach, the spider mite adapted to the new hosts in the second generation; however, on cherry and apricot, it adapted in the third generation.
      
This was particularly observed under stress plant growth conditions on phytotoxic peach substrates.
      
Quantitative assessment of the infection rate of the entomophthoraceous fungus,Zoophthora anhuiensis against the green peach aph
      
A two-step method was developed to quantitatively assess the infection rate of the entomophthoraceous fungus,Zoophthora anhuiensis (Li) Humber, on the green peach aphid,Myzus persicae (Sulzer).
      
Recoveries for each pesticide added to a peach sample were obtained after applying different extraction systems.
      
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A method of extraction,separation and determination of the residual rogor (O,O-dimethyl S-(N-methyl-carbomoylmethyl) phosphorothionate) in vege- tables and fruits is described.The residual quantities of the rogor retained in the cabbages of different growing stages,in two-varieties of rapes and in leaves and fruits of peach tree were determined successively at intervals of the first,third,fifth and seventh day after the spraying of the insecticide. The insecticidal effects against the aphids as measured...

A method of extraction,separation and determination of the residual rogor (O,O-dimethyl S-(N-methyl-carbomoylmethyl) phosphorothionate) in vege- tables and fruits is described.The residual quantities of the rogor retained in the cabbages of different growing stages,in two-varieties of rapes and in leaves and fruits of peach tree were determined successively at intervals of the first,third,fifth and seventh day after the spraying of the insecticide. The insecticidal effects against the aphids as measured by lethal rate (in %) in respective period were recorded. It is found that at the first day after spraying the residual rogor in buds and stem of the cabbages at budding stage is about 2.5 times as that of the leaves of the same plant,while the amount of the insecticide in the whole plant at seedling stage is between the latter two.The rogor residue in Sun-li rape (cabbage type) is higher than that of the Pai-go rape (Chi- nese cabbage type).For the peaches,the rogor retained in the leaves is about 5 times as that of the fruits.The insecticidal effect agrees very well with the residual rogor in the tested samples. All the rogor residues retained in the tested samples are below I ppm. which is far below the recognized safety margin,2 ppm.

1.作者描述了一个效果较好而又节省有机溶剂的提取及分离乐果的方法。2.不同生育期青菜(四月慢)中乐果残留量的测定指出:在同株孕蕾抽苔期青菜上,苔莢中乐果含量为菜叶的2.5倍(施药一天后);同时也大于小菜期全株的含量。3.所试两种不同类型的油菜中,甘蓝型(胜利油菜)的乐果残留量大于白菜型(白果油菜)。这种差具可能由于生态的而非生理的原因所致。4.施药一天后,同株桃树上,桃叶中的乐果残留量为桃子的5倍。5.施药五天后,所测各样品的乐果残留量均小于1ppm,这个数值低于规定的安全限量2ppm。

Quednau, W., in 1956 and 1960, proposed to take biological characteristics as thecriteria for distinguishing the species or ecotypes of Trichogramma but neglected thestructure of the male genitalia. Ishii (1941) published a paper indicating that the structures of the male genitaliawould be the main characteristics for identification of species of Trichogramma and des-cribed two new species, namely Trichogramma chilonis and T. jezoensis, for the specimenscollected by himself. Owing to the preparation technique,...

Quednau, W., in 1956 and 1960, proposed to take biological characteristics as thecriteria for distinguishing the species or ecotypes of Trichogramma but neglected thestructure of the male genitalia. Ishii (1941) published a paper indicating that the structures of the male genitaliawould be the main characteristics for identification of species of Trichogramma and des-cribed two new species, namely Trichogramma chilonis and T. jezoensis, for the specimenscollected by himself. Owing to the preparation technique, the structures of the malegenitalia had not been brought out clearly so that his drawings were not accurate enough.The present writer has improved somewhat the preparation technique, making the parts ofthe male genitalia of Trichogramma more distinguishable. The male genitalia of Trichogramma consist of a dorsal sheath with a dorsal medianprocess extending backwards. Beneath the sheath lies a subgenital spiculum, the shapeand size of which are variable in different species. Joined to its lateral sides, is a pairof parameres or claspers. At the extremity of each clasper a hook is attached. Theaedeagus, that extends ventrally under the spicule, is armed at the extremity with twovalves or laminae aedeagus, in which the endotheca is sometimes visible. Besides thestructures mentioned above, there are two stiffer lateral lobes, extending out from thephallobase for protection. For the purpose of comparative study, both the egg-parasite of the corn-borer, Tricho-gramma chilonis, and that of peach tortricid, T. minutum were examined and conspicuousdifference in the parts of the genitalia were found between them (Fig. 1, A & B). At the same time, the writer has found that the ciliation of the forewing of T.chilonis is quite different from that of the rice paddy borers' parasite, T. japonicum, es-pecially at the junction of the 6th (longitudinal) and 8th (transverse) lines(Fig. 2, A & B). Moreover, T. chilonis possesses a smaller subgenital spicule in the malegenitalia, while T. japonicum lacks it. According to these characteristics, the writer, there-fore, prefers to retain Ishii's species. In this connection, a hitherto un-recorded species, Trichogramma embryophagum, isreported. It is first found in Tantung vicinity (in Liaoning Province), parasitic on Chineseoak silkworm eggs, and appears to be of a "thelyotokous ecotype".

Quednan,W.在1956、1960年连续发表文章,提出用生物学特性的标准来辨别赤眼蜂种或生态型,是具有一定科学意义的,但忽视雄外生殖器的构造。石井悌(Ishii,T.,1941)曾建议根据雄虫外生殖器的构造来区别几种赤眼蜂,并成立两个新种,即Trichogramma chilonis与T.jezoensis。因为制片的关系,雄外生殖器构造部分看不清楚,故他所绘的图是不甚完善的;作者现改进了制片方法,使赤眼蜂雄外生殖器内部构造,在显微镜检视下较为明显,特为补充,重行描述,并取北京地区玉米螟卵赤眼蜂(T.chilo-nis)与桃捲叶蛾卵赤眼蜂(T.minutum)作为典型,以资比较。同时发现这两种赤眼蜂的前翅毛列与稻螟赤眼蜂(T.japonicum)有显著的差异,特别是第6条纵毛行与第8条横毛行汇合处,前者有缺口,呈倒“八”字形,后者无缺口,呈倒“人”字形(图2,A、B);而且稻螟赤眼蜂雄外生殖器内不具“针”,故不同意Quednau把T.chilonis并入T.japonicum种内作为“同物异名”,而应该维持石井悌的T.chilonis 仍为—个独立种。 作者1963,年在辽宁省丹东市郊区于柞蚕卵内发现一...

Quednan,W.在1956、1960年连续发表文章,提出用生物学特性的标准来辨别赤眼蜂种或生态型,是具有一定科学意义的,但忽视雄外生殖器的构造。石井悌(Ishii,T.,1941)曾建议根据雄虫外生殖器的构造来区别几种赤眼蜂,并成立两个新种,即Trichogramma chilonis与T.jezoensis。因为制片的关系,雄外生殖器构造部分看不清楚,故他所绘的图是不甚完善的;作者现改进了制片方法,使赤眼蜂雄外生殖器内部构造,在显微镜检视下较为明显,特为补充,重行描述,并取北京地区玉米螟卵赤眼蜂(T.chilo-nis)与桃捲叶蛾卵赤眼蜂(T.minutum)作为典型,以资比较。同时发现这两种赤眼蜂的前翅毛列与稻螟赤眼蜂(T.japonicum)有显著的差异,特别是第6条纵毛行与第8条横毛行汇合处,前者有缺口,呈倒“八”字形,后者无缺口,呈倒“人”字形(图2,A、B);而且稻螟赤眼蜂雄外生殖器内不具“针”,故不同意Quednau把T.chilonis并入T.japonicum种内作为“同物异名”,而应该维持石井悌的T.chilonis 仍为—个独立种。 作者1963,年在辽宁省丹东市郊区于柞蚕卵内发现一种食胎赤眼蜂(Trichogramma embryophagum(Hartig)),在国内为初次记载,确是产雌性孤雌生殖型。

In 1975 we synthesized the sex pheromone of the oriental fruit moth, Grapholitha molesta (Busck), cis-8-dodecenyl acetate, and field trials were conducted with traps baited with the synthetic pheromone in a peach orchard near Peking in the summer of 1975 and the spring of 1976. The results of field trials show that the attractiveness of the synthetic pheromone is very good; the addition of a small percentage of the trans isomer to cis-8-dodecenyl acetate can increase the attractiveness, and the addition...

In 1975 we synthesized the sex pheromone of the oriental fruit moth, Grapholitha molesta (Busck), cis-8-dodecenyl acetate, and field trials were conducted with traps baited with the synthetic pheromone in a peach orchard near Peking in the summer of 1975 and the spring of 1976. The results of field trials show that the attractiveness of the synthetic pheromone is very good; the addition of a small percentage of the trans isomer to cis-8-dodecenyl acetate can increase the attractiveness, and the addition of 10% the trans isomer gives the best capture. It is interesting to note that the synthetic pheromone is also attractive to males of the summer fruit tortrix, Adoxophyes orana (Fischer von Roslertamm), another important pest, whose sex pheromones are cis-9- and cis-11-tetradecenyl acetates. The optimal attractiveness for this insect requires 12% the trans isomer in cis-8-dodecenyl acetate.Some factors influencing the captures of the male oriental fruit moth have been investigated in field trials. In good weather, catches were greatest in the evening, i.e., at 17:00-18:00 in spring, and 20:00-21:00 in summer, Little or no oriental fruit moths were captured during the periods of strong wind or heavy rain.

1975年我组合成了梨小食心虫性外激素顺-8-十二碳烯醋酸酯,并于1975年夏季和1976年春季在北京市通县果园进行了田间诱蛾试验。试验结果表明:合成的梨小食心虫性外激素具有强烈的诱蛾活性。在顺-8-十二碳烯醋酸酯中加入少量反式异构体能显著提高诱蛾活性,当反式异构体的含量为10%时活性最好。在田间试验中我们还发现,这种合成的昆虫性外激素对另一种重要害虫棉卷蛾(已知它的性外激素是顺-9-和顺-11-十四碳烯醋酸酯混合物)也有一定引诱作用,当反式异构体的含量为12%时诱蛾活性最高。我们对影响梨小食心虫诱蛾效果的其它因素进行了观察和研究。在一般天气下,梨小食心虫的交配活动主要在傍晚前后进行,春天在下午5—6点,夏天在下午8—9点,这时捕蛾量最多。刮大风或下大雨时它们很少活动,几乎捕不到雄蛾。

 
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