Gossypol, which is produced by gland cells in the leaves of cotton, is an attractant to the boll weevil.

But in the early years of the century, the boll weevil began devastating the cotton farms in the south.

然而在上世纪初期，棉铃象甲开始侵嗜美国南部的棉花农场。

You can also see in this photo that I began making the double cross bollards!

您也可以看到在这方面的照片，我开始把双交叉护柱！

Specify whether the light is standard or bollard.

请指定此灯是标准式还是柱式。

Installation of guidance channel of the floating mooring bollard of Three Gorges Permanent Lock

三峡永久船闸浮式系船柱导槽安装

In this paper, the detailed construction scheme and quality assurance measures for the floating bollard groove are introduced.

介绍了浮式系船柱槽的详细施工方案和质量保证措施。

Poland, Hungary, and the Netherlands also eat donuts, and Holland has ollie bollen, puffy, donut-like pastries filled with apples, raisins, and currants.

波兰、匈牙利和荷兰人吃甜甜圈。荷兰人的“甜甜圈”olliebollen质地松软，里面的馅儿有苹果、葡萄干和加仑子。

The Twitter-analysis program was written by Johan Bollen, professor of informatics and computing at Indiana University and he used it to predict market movements at the Dow Jones in New York with 87.6 per cent accuracy last October.

这个微博客的分析程序是由印第安纳大学信息和计算系的教授约翰·保伦完成的。他用这个来预测纽约股市的道琼斯指数，并且在上个10月份达到了87.6%的准确率。

Johan Bollen and his colleagues at Indiana University in Bloomington have created an anxiety rating based on an analysis of hundreds of millions of tweets by people in the US.

Johan Bollen和他的在印第安纳大学布卢明顿分校的同事们，在分析成千上万的美国人发布的推文的基础上，已经创建了一个焦虑等级。

For instance, a curious piece of research was published last year by three computer scientists, Johan Bollen, Huina Mao and Xiao-jun Zeng.

比如，去年3位计算机科学家约翰博伦（johan bollen）、毛慧娜（音译）和曾晓军（音译）发表了一篇奇特的研究报告。

Their paper has not yet been published, but Bollen says they too found that increases in anxiety on their scale correlated with lower than expected stock prices.

他们的论文还尚未公布，但是Bollen说他们也发现在他们可承受的范围之内焦虑的增长与预期的股票价格的关系甚浅。

Despite his doubts about social media stock picking, Prof Bollen believes broader Internet mood analysis could lead to something big, and likens the pursuit to the Californian gold rush.

尽管他质疑通过社交媒体选择股票的方法，但博伦教授认为，整体的互联网情绪分析能产生重大收获，就像当年加州淘金热一样。

Prof Bollen believes there is indeed value in looking at the broader emotional states of society on the Internet.

博伦教授认为，从互联网上研究整体的社会情绪状态确实有价值。

" The inevitable downhill sequence to hypertension and heart failure was changed by the addition of grape powder to a high-salt diet," said Bolling.

高盐饮食惯常不可避免的发展到高血压和心衰的结果可以被葡萄粉饮食阻断。

Different flowering dates and bolling positions had a significant effect on the individual boll weight, boll period and fiber quality of cotton.

棉花的不同开花期和结铃部位对铃重、铃期和纤维品质有显著影响。

Put noodle into bolling water for6-10 minutes.

将粉丝放入滚烫水煮6-10分钟，再放入凉水后沥乾。

Applying nitrogen fertilizer prolonged the duration of cotton bolling increase and delayed the increasing trend of shedding rates;

施用氮肥延长棉铃增长的时间，并相对滞后脱落率上升的趋势；

Effects of applying potassium fertilizer at peak bolling stage on cotton photosynthetic characteristics and its yield and quality under different population

盛铃期补施钾肥对不同群体棉花光合特性和产量品质的影响

Study on Compacting Mechanism of Hollow Workpiece by 3-Roll Cross Wedge Bolling

三辊楔横轧空心件成形机理的研究

After bolling stage, the root physiological activity fell slowly and functional period was prolonged.

结铃盛期后，根系活力下降缓慢，功能期延长。

Preliminary Research on Volatilization of N from Cotton Plant at Bolling Stage in Xinjiang

新疆棉花铃期植株氮素挥发初步研究