Starting in 1829 he began collaborating on improved photographic processes with Louis Daguerre, and together they developed the physautotype, a process that used 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。
The bigger point is that Mr Putin's rule has coincided with a spectacular rise in oil prices, leading to improved living standards for millions of Russians.
最主要的是普京的统治期间正好是石油价格上涨的时期，这使得数百万的俄罗斯人的生活水平得以提高。
With overhead wet cylinder liner, oil consumption is reduced and reliability is improved.
采用的顶置湿缸套技术，降低机油耗、提高可靠性。
The surface hydrophobicity of the samples coated with TDI/castor oil is improved greatly compared with the pure TPS, while the samples coated with TDI/PEG have poor hydrophobicity.
TDI/蓖麻油体系涂层样品表面的疏水性能与TPS相比有了很大的改善，而TDI/PEG涂层样品表面的疏水性差；
With improved BP network, Adopting deep, short resistivity, and acoustic logging, the model to recognize oil layer and water flooded layer is established.
利用改进的BP算法，采用深、浅侧向电阻率、声波时差测井建立了油层、水淹层的识别模型。
The oil resistance and mechanical properties of NBR/PVC blends were improved with the increase of mass fraction of acrylonitrile of NBR.
结果表明，随着NBR中结合丙烯腈质量分数的增加，NBR/PVC共混胶的耐油性能明显增强，力学性能也相应有所改善；
A self - made instrument for measuring time is introduced. The method of measuring time in Milton oil experiment is improved and the result is compared with the method.
本文介绍了一种自制的时间测量仪，利用此仪器改进了密立根油滴实验的时间测量方法并对测量结果和方法进行了比较。
The screwdown block is improved by mechanics analysis with boundary element method, and a simple device is designed for dynamic load of oil film bearing used in high-speed wire rolling mill.
通过采用边界元法对高线轧机压下垫块改造模型进行力学分析，开发设计一种适合测量高线轧机油膜轴承动态载荷特性的简易装置。
Diamond bearing with the air, oil and water, low coefficient of friction and high load rate characteristics, compared with some of the technical aspects of stainless steel bearings to be improved.
金刚石轴承具有在空气、油和水中摩擦系数低以及高负载率的特点，与不锈钢轴承相比一些技术方面有待提高。
The result showed that the cracking performance and light oil yield can be improved significantly, compared with the old catalyst Y-15.
试验表明，该催化剂的裂化性能、轻油收率均比原来用的Y-15催化剂高5％左右。
Based on single column process of packed poromeric chromatographic column, the chromatographic analysis process of transformer oil with SP3430 gas chromatographic apparatus has been improved.
采用填充多孔高聚物色谱柱单柱流程对SP3430气相色谱仪的变压器油色谱分析流程进行了改进。
Biomass of plant and oil degradation rate can be improved evidently when inoculated with ECM fungi, degradation rate increased by 32.3% than control at most.
接种外生菌根真菌可明显提高植物生物量和矿物油降解率，降解率最高比对照增加32.3%。
The results indicated that with the increase of the content of the extender oil, the tensile strength decreased, while the elasticity increased and elongation at break improved.
结果表明：随着填充油用量的增加，拉伸强度下降，弹性回复增加，断裂伸长率也增大。
The high-altitude ignition performance of high density fuel is rather poor, but can be significantly improved by mixing it with a small quantity of low density oil(about 10 percent).
大比重油的高空点火性能相当不良，但用少量优质大庆油掺混（约百分之十）后可得到显著改善。
The new system has realized the communication and control for different kinds of computers. And the production capability of seamless oil casing tube with high additional value has improved greatly.
改造后的计算机系统顺利实现异种机之间的通讯和控制，大幅度提高了高附近加值无缝石油套管的的生产能力。
The improved hermetic connection method includes spot welding to connect the filling pipe and fuel oil tank and then adhesion connection and sealing with adhesive.
一种汽车燃油箱加油管连接密封处工艺改进方法，先用点焊方法将加油管与油箱连接若干点，然后用粘接胶将加油管与油箱连接处密封。
The improved hermetic connection method includes spot welding to connect the filling pipe and fuel oil tank and then adhesion connection and sealing with adhesive.
一种汽车燃油箱加油管连接密封处工艺改进方法，先用点焊方法将加油管与油箱连接若干点，然后用粘接胶将加油管与油箱连接处密封。
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