On the other hand,it is demonstrated that pitting sensitivity of Al-6Mg-Zr-Sc alloy in the SRB solution is decreased and its microbiologically influenced corrosion r.

結(jié)果表明，添加Sc元素后，合金的氧化膜更加致密，具有更好的保護(hù)作用，使電極開路電位正移100 mV左右超碰aⅴ人人做人人爽，同時(shí)Sc元素的加入降低了材料在SRB菌液中的點(diǎn)蝕敏感性，使材料耐微生物腐蝕性能得到提高性爱一区二区三区，但是添加Sc后的合金對SRB更加敏感91丝袜制服。

The present study found that the contents of ferromagnetic elements in lagenal otoliths of adult homing pigeons were less than 0.7% and were the same order in magnitude as those in saccular and utricular otoliths.

本研究的結(jié)果發(fā)現(xiàn)：成年信鴿瓶狀囊耳石中鐵磁性元素Fe、Co中文字幕字幕网在线、Ni的含量不足Ca元素的0.7%加勒比中文官网字幕，與球囊和橢圓囊耳石中的含量為同一數(shù)量級。

Bile and gastric and pancreatic secretions are re- sponsible for zinc excretion, and once in the intestine this endog- enous zinc behaves just like the dietary zinc.

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In this paper, the transformable conditions and the transformation matrices of two arbitrary B-spline bases are studied, and the theoretical results about the representation and properties of the elements of the transformation matrices are given.

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During solidification,α-Al phase nucleates first in the interstices between the short fibers and grows gradually toward the surface of Al2O3 short fibers. The content of Cu and La element around the surface of Al2O3 short fibers increases, both of them enrich almost in the same region, but the content of Cu element in the interstices of short fiber decreases gradually.

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The mechanism and the physical model of the developing process of rafted γ′ during HIP and the relationship of the rafted γ′ piece width to original size、volume fraction and the elements diffusion flux of γ′ were detailed discussed.

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By using AAS and XRF, the contents of Cr, Pb, Mn, As, Se, Hg, Cd, Zn in raw coal, bottom ash and fly ashes are measured quantitatively in a 220 t/h pulverized coal boiler. Factors affecting the distribution of trace elements are investigated, including fly ash diameter, furnace temperature, oxygen content and trace elements' characters. The coefficient of Meij is also improved to more directly show element enrichment in combustion products. Elements may be classified into three groups according to volatility features of trace elements.

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