The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.
卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。
Printing a black-and-white negative on to colour paper produces a similar monochrome effect.
将黑白底片冲印在彩色纸上产生一种类似的单色效果。
This "negative," as Talbot called it, could then be used to print multiple positive images on another piece of treated paper.
这种被Talbot称之为“负片”的东西，随后会被用在另一张经过处理的纸片上来洗印多张正面图像。
Sometimes, people need to get the negative thoughts out …speak them to a good friend, write them down on a piece of paper, and be done with it.
有时候，人们需要避开消极的思想……把那些消极的思想向好朋友倾诉，写在纸上，然后与之拜拜。
Sometimes, people need to get the negative thoughts out... speak them to a good friend, write them down on a piece of paper, and be done with it.
有时候，人们需要避开消极的思想……把那些消极的思想向好朋友倾诉，写在纸上，然后与之拜拜。
The 2006 paper showed general negative feelings, including feeling anxious and upset, could partially explain the relationship they saw between socially prescribed perfectionism and poorer health.
2006年的论文表明了普通的消极情绪，包括焦虑和心烦，会部分地解释他们发现的社会定向型完美主义与糟糕的健康状况之间的关系。
A 1994 paper by Mortensen and Pissarides, which builds on work by Diamond, showed how sharp rises in unemployment can cause a negative, self-reinforcing cycle to set in.
1994年莫特森和皮萨里·德斯在戴蒙德工作的基础上发表了一篇文章，此文章揭示了当失业率增长速度为多快时会引起一个负面的，能够自我强化的循环圈的发生。
So, if social networks can promote negative health states, they might also be exploited to promote positive ones, Rosenquist and his coworkers indicated in their paper.
所以，罗森奎斯特与同事在论文中指出，社会关系既可以改善健康状况，又可能使健康恶化。
But the process was cheaper involving a weakly developed negative being placed on back card or paper to appear as a positive.
这种方法廉价些，因其把微弱曝光的负片放在背板或背纸上作整片。
But now, says the Lancet paper, clinical microbiologists increasingly agree that multidrug-resistant Gram-negative bacteria, which thrive in the gut, pose the greatest risk to public health.
但是该论文指出，现在临床微生物学家日益赞同，活跃于肠道中的多耐药性革兰阴性菌，才对公众健康构成最大威胁。
In this paper, the nucleation process of diamond by filament CVD was analyzed, and enhanced flux of ions by negative substrate bias was investigated in theory.
木文对热灯丝cvd沉积金刚石膜的核化过程进行了分析，从理论上研究了负衬底偏压增强活性离子的流量。
Results covering the fake positive and negative result in test of inspecting urine albumen, blood and white blood cell on chemistry test paper.
结果：发现干化学试纸条在尿蛋白、尿潜血和尿白细胞的测定中均有假阳性和假阴性结果。
This paper dialectically reveals the impact of visual literacy education on high school English teaching: the positive and negative effects.
这篇文章从积极影响和消极影响两方面辩证地揭示视觉素养教育对高中英语课堂的影响。
Another long-standing myth is that we allow one negative referee to determine the rejection of a paper.
还有一个长期存在的神话是只要有一位审稿专家给出负面意见，这篇文章就算是被毙了。
The SEC staff declined to recommend IFRS, in a paper that was more negative than observers had expected.
而美国证券交易委员会的员工却拒绝在这份消极程度远超观察员预期的论文里推荐IFRS。
This paper analyzes the positive and negative influence of CAD in the design, and states the system, it will make the designer keep the objective attitude in the application.
本文分析了CAD在设计中引起的正面和负面影响，并进行了系统的阐述，从而使设计者在应用中能够保持客观的态度。
The paper analyzed the negative influence of the truck for coal which the overload transportation and the reason, and the question of the expressway be disturbed by the truck.
论文分析了煤车超限超载运输的原因及其造成的负面影响，及车辆超限超载运煤干扰高速公路网功能的问题。
In this paper, thermodynamics of irreversible processes at negative absolute temperatures is discussed.
本文讨论负绝对温度下的不可逆过程热力学。
The water content in insulating paper in transformer is the one of factor that affects transformer life, which has obvious negative influence for the ageing of transformer.
变压器内绝缘纸中的含水量是影响变压器寿命的因素之一，对变压器的老化有着明显的负面影响。
This paper makes analysis and contrast of the negative sentences for both similarities and differences between Chinese and Uygur by employing contrastive linguistic theories and methods.
本文用对比语言学的理论和方法，对汉维语否定句进行了分析和对比，既求同又求异。
This paper presents a practical method for routine evaluating the quality of processed motion picture negative file original before copying release cine-film.
本文提供一个简便实用的质量鉴定方法，用于在制作发行拷贝前，辨别电影画原底片的优劣。
This paper analyses the positive and negative effects of international tax competition, and provide OECD provision on the harmful international tax competition.
本文分析了国际税收竞争的正负效应，并给出了OECD关于有害税收竞争的规定。
This paper USES theory of correlation analytic method to detect and locate the leakage of oil conveying according to the negative press wave method.
主要依据负压波方法，应用相关分析法理论对输油管道进行泄漏检测和定位。
This paper presents negative effect of the water resources development to Keerqin wetlands of state nature reserve located semiarid area in downstream of the Huolin River.
指出上游水资源开发对地处霍林河下游半干旱区域的科尔沁国家级自然保护区湿地带来的负面效应；
From the point of view of modern educational theory, the paper concludes that competitive teaching atmosphere has a lot of negative effects on the educated.
从现代教育学理论的观点出发，可得出竞争性的教育环境有它的负面作用。
This paper suggests that the negative proposition, as a unique form of thinking, has its important logical function and cognitive value.
本文认为否定命题作为一种独特的思维形式，有着重要的逻辑功能和认识价值。
This paper introduces a new air negative ions producer with liquid electrodes.
本文介绍一种新型液体电极式空气负离子发生器。
This paper introduces a new air negative ions producer with liquid electrodes.
本文介绍一种新型液体电极式空气负离子发生器。
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