Under appropriate conditions, it is capable to produce 21 nymphs/ vivipara and 9 eggs/ oviparous female.

  • 孤雌蚜在条件适宜时,一生可产21头若蚜,1头雌性蚜可产卵9粒。
  • 来源:互联网更新时间:2025-03-09 23:31:37

  • 重点词汇
  • femaleadj.女性的;雌性的;阴的;
  • itpron.它;他;正好是所需的;事实[情况];
  • nymphsn.稚虫,幼虫;(希腊、罗马文学中的)仙女( nymph的名词复数 );
  • to produce录制,制片;
  • 9 nine;
  • capableadj.有能力的;胜任的;
  • eggsn.卵( egg的名词复数 );蛋;卵子;卵细胞;
  • viviparan.胎生动物;田螺;
  • isvt.& vi. 是(be的三单形式);
  • conditionsn.(居住、工作或做事情的)环境;(影响某事发生的)物质环境;<保险>承保险别;条件( condition的名词复数 );状况;健康状况;环境;
  • andconj. 和,与;而且;于是,然后;因此;
  • appropriateadj. 适当的;恰当的;合适的;
  • 相关例句
1、

A New Rearrangement in N-Substitution of β-Phenylethylamine

β-苯乙胺N-取代反应中的重排反应

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2、

In this paper, R-α-phenylethylamine and S-α-phenylethylamine are prepared with a type of facile reagent called R (-) TTCA by chemical derivation.

本文主要从化学衍生法着手,研究一种易得的手性试剂R(-)TTCA来制备R-和S-α-苯乙胺。

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3、

Dark chocolate is a good source of those age-fighting antioxidants, and it also contains the mood elevator phenylethylamine, according to the California Academy of Sciences.

黑巧克力中的抗氧化剂能延缓衰老。据加利福尼亚科学院研究,巧克力中的苯乙胺能提升情绪抗抑郁。

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4、

Reversed-phase HPLC Determination of the Reactant and Product of N-Substitution of β-Phenylethylamine

β-苯乙胺的N-取代反应过程中反应物和产物的反相HPLC分离测定

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5、

Effects of Phenylethylamine on Adipose Metabolism and Skeletal Muscle Hypertrophy in Pigs

克喘素类似物(苯乙醇胺)影响猪体脂代谢和骨骼肌增生的研究

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6、

Determination of Enantiomeric Purity of ( S)-(-)-α-phenylethylamine by NMR

核磁共振光谱法测定(S)-(-)-α-苯乙胺的对映体纯度

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7、

The experiment was conducted to observe effect of phenylethylamine ( PEA) on the body's metabolism by swine fed.

试验用苯乙醇胺(Phenylethylamine,PEA)饲喂猪,观察它对机体代谢的影响。

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8、

Phenylethylamine, an alkaloid also found in chocolate, is thought to influence mood and attention. When these neurotransmitters are released throughout the body, they result in sensations of giddiness and euphoria.

苯乙胺,是一种同样存在于巧克力中的生物碱,它能够影响人的情绪和注意力。身体释放这些神经递质时,人就会有幸福和眩晕的感觉。

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9、

Effect of Phenylethylamine on the Level of Hormone and Metabolism in Swine

苯乙醇胺对猪激素及代谢水平的影响

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10、

In the paper another method to prepare α-phenylethylamine with optics activity by inducing crystal is studied.

本文还对另一种诱导结晶制备光学活性α-苯乙胺的方法进行了研究。

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11、

The Preparation and Analysis of α-phenylethylamine

手性物α-苯乙胺的制备和分析研究

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12、

Determination of optical purity of α-phenylethylamine by high performance liquid chromatography with pre-column derivatization

手性试剂柱前衍生化高效液相色谱法测定α-苯乙胺的光学纯度

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13、

Stereochemical Effect in Mass Spectrometry ( 19)── Determination of the Optical Purity of α-Phenylethylamine by Mass Spectrometry

质谱中的立体化学效应(19)&对映异构的α-苯乙胺光学纯度质谱测定

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14、

Enhancement of Enzymatic Preparation of p-Hydroxyl Phenylethyl β-D-Glucoside

酶催化制备p-羟基苯乙基β-D-葡萄糖苷过程强化

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15、

They were: Isoamyl acetate, 1-Hexanol, Caprylic acid, Ethyl caprate,β-Phenylethyl alcohol, Isobutyl alcohol, Ethyl acetate, 2-Phenylethyl acetate, Isoamyl alcohol.

它们是:乙酸异戊酯、1-己醇、正辛酸、癸酸乙酯、β-苯乙醇、异丁醇、乙酸乙酯、乙酸苯乙酯、异戊醇。

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16、

The asymmetric reduction of acetophenone ( ACP) to chiral α-phenylethyl alcohol ( PEA) in an aqueous phase catalyzed by Saccharomyces cerevisiae cells was studied as a model reaction.

以苯乙酮为模型底物,研究了水相体系中酵母细胞催化前手性芳香酮不对称还原生成相应手性醇的反应特性。

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17、

Synthesis of Phenylethyl Malonic Acid Complex Agent

苯乙基丙二酸络合剂的合成

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18、

From a structural point of view, phenylethyl malonic acid is with the above characteristics.

从结构上看,苯乙基丙二酸正具备上述特点。

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19、

Using sulfamic acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied.

采用苯酚和乙酸酐直接酯化合成乙酸苯酯,用红外光光谱对反应产物进行了分析。

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20、

In phenylethyl alcohol method-( 4-hydroxyphenylethyl) alcohol was synthesized by esterification, nitrofication, reduction and diazo-tization from-phenylethyl alcohol in 24.0% overall yield.

在苯乙醇合成法中,以苯乙醇为原料通过酯化、硝化、脱酯、还原、重氮化这五步反应合成了β-对羟基苯乙醇,总收率达到24.0%。

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