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The thermodynamics quantities were calculated based on the first relaxation process. The results indicated that active enthalpy△H and active entropy △S all decreased with the increase of decrystallization extent. And, it was concluded that the relaxation process of untreated wood is for endothermic reaction and that of treated wood for exothermic reaction.

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The maximum field on the right of ring junction decreases with the increase of ring spacing and lateral diffusible depth.

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The study shows that: evergreen broad-leaved species during the middle and later period succession have better adaptability under the different light surroundings, such as Elaeocarpus glabripetalus, Ilex integra, Photinia prunifolia, Cinnamommum camphora. And Fluorescent Characteristics also verifies the above result. The experiment results indicate that: PSⅡreaction centers of majority tree species are not marked oxidized under the full light surroundings. Photosynthetic electron transport activity can maintain highly, in this way, it is helpful to enhance radiant energy dissipation and thus dissipate excess light energy. That is to say, the increase of non-photochemical quenching coefficient can conduce to protect PSⅡ, and mitigate the effect of high light on photosynthesis.

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There exist electrodissolution and Cu2O layer formation on the Copper electrode during anodic processes.The increase of temperature promotes the growth of Cu2O layer and argon gas purging also influences Cu2O layer formation.

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The influences of Ce on the microstructure and mechanics performances of Ti-Fe-Mo-Mn-Nb-Zr alloys were studied and presented in this paper. The microstructure of no-Ce Ti-Fe-Mo-Mn-Nb-Zr alloy was thick, long and dendritic,and the microstructure of alloy was fined by Ce. With the increase in Ce wt%, the microstructure became equiaxial gradually.

研究了稀土 Ce對 Ti- Fe- Mo- Mn- Nb- Zr合金組織與力學(xué)性能影響，結(jié)果表明：不含 Ce的為粗大的長枝晶組織大码老熟女Av毛片免费，加入 Ce后組織有所細(xì)化国产精品熟女30p，并隨 Ce量增加而逐漸等軸化，直至形成等軸晶欧美在线视频一区18p；硬度方面隨 Ce的加入有所降低99riav6；在 Ce含量較少時(shí)隨 Ce的增加壓縮強(qiáng)度也增加，但當(dāng) Ce含量增大一定量時(shí)国产精品99久久久久久久www，Ce增加降低了壓縮強(qiáng)度尤物网站。

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Besides, the effects of mixed acid on the reaction were analyzed, and the results indicated the mixed acid would react with stainless steel at the temperature higher than 118℃with a sharp exothermal, and could catalyze product decomposition, increase thermal hazards as well.

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