None of them were prepared to comment on this study or discuss the detailed nicotine content of their products.
他们都不愿意对这项研究发表评论，也不愿意讨论他们产品中尼古丁的具体含量。
However, none of them were prepared to comment on this study or discuss the detailed nicotine content of their products.
然而，他们都不愿意对这项研究发表评论，也不愿意讨论他们产品中尼古丁的具体含量。
Under the law in Massachusetts, tobacco companies have to measure the nicotine content of every type of cigarette and report the results.
根据马萨诸塞州的法律，烟草公司必须测量每种香烟的尼古丁含量并报告结果。
I only smoke cigarettes with a low nicotine content.
我只抽尼古丁含量低的香烟。
Phytohormones affected obviously the growth and nicotine content of the hairy root.
烟草发状根培养中，激素对发状根生长和烟碱合成有较大影响。
The field trials were done to study on the effects of nitrogen amount on the yield and nicotine content of sun-cured tobacco.
通过田间试验，研究了不同施氮量对晒烟烟叶产量和烟碱含量的影响。
Reducing sugar was improved slightly, nicotine content was reduced remarkably and polyphenolic content was affected slightly.
还原糖含量略有提高，烟碱含量降低显著，对多酚含量影响较小。
The fructose content increased remarkably in root system, whose increase tendency is same as nicotine content in root system.
根系中果糖含量增加比较显著，且与根系中烟碱含量的增加趋势相同。
Unfortunately, we have failed to press the manufacturers into declaring their tar and nicotine content because we don't have LABS to check the information.
不幸的是，我们还没有强制制造商宣布他们的焦油和尼古丁含量，因为我们没有实验室来检查这些信息。
Most farmers in this rain-dependent region have been cultivating tobacco for years, mainly for export due to its special characteristics like low nicotine content.
多年来，这个依赖降雨的地区的大多数农民一直在种植烟草，由于这些烟草尼古丁含量低等特点，它们主要供出口。
The changes of accumulation of sugar content and nicotine content in leaf of Oriental tobacco were investigated in Baoshan Oriental tobacco growing areas of Yunnan province.
研究了云南保山香料烟产区冬春香料烟和夏季香料烟生长发育期间叶片中总糖含量、淀粉含量和烟碱含量的累积变化规律。
When the strain preparation is spayed, the soluble total sugar content and the reducing sugar content of tobaccos can be increased, while protein, total nitrogen and nicotine content are reduced.
喷施该菌株制剂可以使烟叶可溶性总糖、还原糖含量增加，使蛋白质、总氮、烟碱含量下降。
The N, B and Nicotine content in tobacco leaves drop significantly in the order of top leaves, middle leaves and bottom leaves, while K, Fe and Reducing Sugar increase significantly in the same order;
氮、硼、烟碱含量从上部烟叶到下部烟叶显著地依次降低，而钾、铁、还原糖则从上部烟叶到下部烟叶显著地依次升高；
The N, B and Nicotine content in tobacco leaves drop significantly in the order of top leaves, middle leaves and bottom leaves, while K, Fe and Reducing Sugar increase significantly in the same order;
氮、硼、烟碱含量从上部烟叶到下部烟叶显著地依次降低，而钾、铁、还原糖则从上部烟叶到下部烟叶显著地依次升高；
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