He was tasked with finding a solution for a printing company in Brooklyn that was having problems: Its paper was expanding or contracting in the variable East Coast humidity.

他受命为布鲁克林一家印刷公司解决难题：该公司的纸张在东海岸多变的湿度下或膨胀或收缩。

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According to the water and heat balance principle, this paper discussed the influence of the Baiyangdian Lake on the air temperature and humidity.

本文首先根据水热平衡原理，讨论了白洋淀对气温和湿度的影响。

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In this paper, it is suggested that using solar heating technology to warm up the basement for lowering the humidity would be a good solution.

实践结果表明，按本文提出的方法求集热面积比和有效集热面积，符合实际情况，达到了采暖降湿的预期目的。

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Although improper storage such as using plastic bags rather than paper or exposing the evidence to too much humidity or heat can degrade DNA, Hagan says that current technology can even recover complete profiles from poorly stored evidence, the kind usually available in very old cases.

CNN: Solving the cold case: Time, DNA and ingenuity can help

Paper does not ship well, as it is both bulky and susceptible to humidity.

ECONOMIST: Paper