Nicotine content in the upper leaves of the plants increased with the postponing of harvest, but it decreased from 5.07% in the non-girdled control to 4.23%, 4.33% and 4.69%, respectively, in the three girdling treatments.

  • 结果表明:随着采收期推迟,上部烟叶烟碱含量逐渐增加,未环切处理上部烟叶烟碱含量为5.07%,环切后各处理烟碱含量分别降至4.23%,4.33%,4.69%;
  • 来源:互联网摘选更新时间:2026-07-14 03:05:36

  • 重点词汇
  • andconj. 和;与;而且;于是;然后
  • decreasedv.(使)缩短,减小,减少( decrease的过去式和过去分词 );
  • nicotinen.尼古丁;[化]烟碱;
  • respectivelyadv.各自地;各个地;分别地;
  • contentn. 内容;(书等的)目录;满足;容量;
  • postponingv.延期,推迟( postpone的现在分词 );
  • butconj.但是;而是;除了;只因为;
  • with the与...;
  • 相关例句
1、

Content of total P, anthraquinone and soluble protein in the upper leaves were higher compared with that of the other leaves, similar situation for total N in down-site leaves was observed as well.

不同叶位叶片各指标含量存在较大差异,上位叶中全磷、总蒽醌及可溶性蛋白质的含量较高,全氮在下位叶中积累较多。

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2、

In addition K-Cl ratio was less than 4 in the upper leaves in common vetch treatment, and in the rest it was more than 4.

除苕子处理上部叶钾氯比小于4,其余均大于4。

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3、

The upper leaves of Luoyang and Sanmenxia tobacco had bigger degree of relation with that of imported tobacco, with better comprehensive properties.

上部叶,以洛阳和三门峡的烟叶与进口烟叶的关联度较大,综合性状较好;

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4、

Effects of "Yanboshi" active agent on growth and smoking quality of the upper leaves of flue-cured tabacco

烟博士活性制剂对烤烟上部烟叶生长及其品质的影响

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5、

The upper leaves, then the performance of the facilities has been high in the two oil dry processing, the chlorophyll content than the control.

而上部叶,则一直表现为施油枯量高的二个处理,叶绿素含量高于对照。

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6、

Compared with chemical fertilizer, organic manure treatments improved total nitrogen, nicotine and protein content of the upper leaves.

与无机肥相比,有机肥一般能提高上部叶的总氮、烟碱及蛋白质含量。

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7、

Study of using chemical improve quality of the upper leaves of flue_cured tobacco

利用化学试剂改善上部烟叶品质

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8、

The upper leaves are smaller and with lower photosynthetic rate.

上部叶片较小且光合速率较低。

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9、

Robert gets the upper hand over me for the position of section chief.

罗伯在争取科长职位方面比我占优势。

provided by jukuu

10、

So far, caterpillars seem to have the upper hand.

目前,毛毛虫稍占上风。

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11、

Social principal part that it gets the upper hand of social environment factor is different in each phase.

在每一阶段中,社会主体制胜于社会环境的因素是不同的。

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12、

So, despite hedging against China, China continues to have the upper hand.

那么,在与中国的对抗中,中国仍然占据上风。

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13、

Rational analysis becomes harder, allowing emotional responses to gain the upper hand;

这使到交易员无法做出理性的分析,被情绪控制;

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14、

It is different from modern western nutrition. They have the upper hand and characteristics by themselves.

它与西方近代营养学虽同属营养科学的范畴,但分属两个不同的医学理论体系,各自具有自身的特色和优势。

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15、

You always had the upper hand

你总是占着上风

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16、

Two years ago, firms had the upper hand in dealing with their investors.

两年前,私人股本公司在与其投资者打交道时占据上风。

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17、

Our team gained the upper hand in the second half of the match.

我们队在下半场控制了场上局势。

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18、

When it comes to that first phone call, men have the upper hand.

打第一个电话这方面,男性占优势地位。

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19、

My Boyfriend has definitely got the upper hand over me.

我男朋友分明是占了我上风。

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20、

Now, in many sectors, employers have the upper hand.

如今,在许多行业,雇主都占据了上风。

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