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提出了预报和控制扩散氢的方法,这对焊条设计具有指导意义。The methods of forecasting and controlling the diffusible hydrogen are presented.

按照甘油法测定焊缝金属扩散氢的含量。The content of diffusible hydrogen in welded metal was determined according to the Glycerine method.

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利用消化酵素将固体食物分解为细小,简单和可扩散的份子。The process of breaking down the solid food into smaller, simpler and diffusible molecules by the digestive enzymes.

分析了梯级水电工程环境影响具有累积性、波及性和潜在性等特点。Environment Impact of cascade hydropower project is characterized with accumulating, diffusible and potential effects.

环右侧最大电场也出现在结处,随着环间距和横向扩散深度的增加,最大电场均减小。The maximum field on the right of ring junction decreases with the increase of ring spacing and lateral diffusible depth.

企业周围应无有害气体、烟尘、灰尘、放射性物质及其他扩散性污染源。There shall be no harmful gas, soot, dust, radioactive substances or other diffusible sources of pollution around the enterprise.

采用该配方试制的焊条,不仅具有良好的操作工艺性,而且熔敷金属扩散氢含量低,焊缝金属具有良好的强韧性匹配。The electrode has not only good usability but also low diffusible hydrogen, and the weld metal has matched strength and toughness.

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若孔径小,离子内扩散阻力大,电容下降更为迅速,扩散层对双电层电容的影响增大。Further, the smaller the pore sizes of carbon electrodes, the more diffusible electrical double layer is, resulting in a sharp decrease in capacitance.

然而,由于化学,扩散氢水平的焊缝,克制,或切片厚度的增加,需求的预热也随之增强。However, as the chemistry, diffusible hydrogen level of the weld metal, restraint or section thickness increases, the demand for preheat also increases.

扩散氢含量低,低温冲击性能优异,适用于低温钢、中碳钢等压力容器的焊接。It has low diffusible hydrogen and good low-temperature impact toughness, suitable for welding middle-carbon steel and pressure containers of low-temperature steel.

离断的外周神经可释放可溶性的因子促进离体培养的成年DRG神经元突起的生长并影响突起的形态。Conclusion The denervated peripheral nerve can release diffusible factors to promote the outgrowth and influence the morphology of neurites of DRG neurons in culture.

血液中包含一些可扩散因子,能够从血管中渗出从而影响神经活性,而血液提及的改变能够影响这些因子的浓度。Blood contains diffusible factors that could leak out of vessels to affect neural activity, and changes to blood volume could affect the concentration of these factors.

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确定了在200℃以下,变动试样加热温度时,只改变扩散氢的测定时间而不影响测氢结果。It is determined that under 200℃, the change of the heating temperature of samples only changes the time of measuring diffusible hydrogen and does not affect its results.

在碱性铁粉焊条药皮中添加不同量的纳米稀土氧化物粉体,对焊缝进行扩散氢含量、低温冲击及化学成分的测试和分析。Adding the different nanometer CeO2 content to alkali iron powder electrode, the diffusible hydrogen content, low-temperature impact and chemical composition of the weld were tested.

而增大炭材料的孔径或电解液浓度,可明显减弱甚至消除扩散层对电容的影响。But, the effect of diffusible double-layer on double layer capacitance is re-duced and even eliminated through increasing pore sizes of carbon electrodes or electrolyte concentration.