In 1829, he began working with Louis Daguerre to improve photography. Together they developed the "Physical Carbon Printing Method," which uses lavender oil.
在1829年，他就开始和路易·达盖尔合作改善照相术。他们一起开发出“物理碳印法”，这一过程要使用薰衣草油。
Training is to improve the skill and method of working.
训练是改善工作的技巧和方法。
We have to improve our working method.
我们得改进一下工作方法。
This method can improve the working status of adaptive structures and enhance their load capacity.
这一方法能够改善自适应结构的工作状态因而提高承载能力。
Conclusions Scene simulation teaching method can exert students' ability and improve their study interest and working ability.
结论情景模拟带教更能发挥护生的主观能动性，提高其学习兴趣和工作能力。
This method can reduce Labour intensity, improve working efficiency and ensure the deburring effect of Cu alloy part.
这种方法能降低劳动强度，提高工作效率，较好地保证铜合金零件抛光去毛刺效果。
In order to improve working reliability, increase grain mass, and achieve ignition and stage separation at the same time, a successful method is to apply an external igniter to solid rocket motor.
为了提高固体发动机工作可靠性，增加装药质量，同时实现二级点火和级间分离，应用体外点火器是一种成功的方法。
Conclusions To master the method of time-management scientifically can promote the working efficiency and improve quality.
结论掌握科学管理时间的方法，能提高工作效率和工作质量。
To establish and improve teacher 's working archives it is necessary to define the scope of filing and the method of filing and to systemize and standardize filing.
建立健全教师业务档案要确定归档范围并明确立档方法，使之制度化、规范化。
The structure and working theory of data mapping tier is explained, and the method can improve the specialization of programming, reusability and maintainability of code.
结合项目实际，说明了它的结构和工作原理，该法提高了编程工作的专业化水平和代码的可重用性，增加了可维护性。
In the long-term work, he found that the conversion using the traditional method of low efficiency, cost him a lot of time and effort, so he wanted to change his working methods to improve efficiency.
在长期的工作中，他发现，采用传统的转换方法，效率较低，耗费他大量的时间和精力，所以他想改变他的工作方法，以提高工作效率。
The author states in detail the construction method and points for attention of each working procedure in the concrete construction to improve its extension quality.
为了提高混凝土的外观质量，本文作者详细论述了混凝土施工各工序的施工方法和注意事项。
It is important to replace cleft grafting and cutting grafting with belly grafting as a method of top working to correct chlorosis and improve growth of new cultivar.
用腹接取代劈接和切接作为果树高接更新品种的方法对于克服缺铁失绿症、促进更新品种生长具有重要意义。
The method can also improve the purity of hydrogen, improve the working stability and prolong the service life of the membrane.
本发明还可提高产氢纯度，改善膜的工作稳定性，延长膜的使用寿命。
In this paper a method to improve the working life of stamping die from the friction loss, dearance and material selection is introduced.
本文从冷冲压模具的磨损、间隙、选材等方面提出了提高模具寿命的措施。
It is capable to rapidly and accurately calculate the forces in backhoe working mechanism. It provides a valid method to elevate and improve the working characteristics of excavator.
计算结果表明，本方法可有效地对挖掘机反铲传动机构进行快速而精确的计算，为提高和改善挖掘机性能提供了一条有效途径。
The ideal, for plan time, step by step, improve weaknesses, toast and since Mr, in retrospect, combining exertion, seek the backing, concentration, all is the method of working.
追求理想计划时间，一步一步改进弱点，举杯自贺，回顾往事，劳逸结合，寻求后盾，专心致志，都是巧干的方法。
The ideal, for plan time, step by step, improve weaknesses, toast and since Mr, in retrospect, combining exertion, seek the backing, concentration, all is the method of working.
追求理想计划时间，一步一步改进弱点，举杯自贺，回顾往事，劳逸结合，寻求后盾，专心致志，都是巧干的方法。
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