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Among the four species of Bovidae, genetic differentiation in the HSL genes between yak and buffalo is equivalent to that between buffalo and cattle and between buffalo and zebu.

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Furthermore, the genetic distances in the HSL genes are much smaller between yak, cattle, and zebu than those between each of the three species and the buffalo. Therefore, it is reasonable to consider yak as an independent species of the genus Bos.

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The result shows that firstly,zebu ismost closely related to cattle;secondly,closely related to yak,buffalo,pig,human,lastly,related to rat and mouse.The results of the phylogenetic trees reflect the molecularevolution relationship among these species,consistent with the zoological classification.The genetic distances among yak,cattle and zebu were relatively small,but geneticdistances between these three species and buffalo were relatively large.

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The biggest advantage of this mean is that don"t need to computer the perturbation matrix element by using zero level wave function, even don"t need to give out high rank amendatory result using infinite series to sum like the ordinary perturbation theory. Thus, it not only avoids many complicated integral operation, but also obtains high rank amendatory result that it is very difficult to get or cant get.

這種方法最大的優(yōu)點(diǎn)就是不需要用零級波函數(shù)來計(jì)算微擾矩陣元乱伦日韩一区二区，更不需要像普通微擾論那樣用無窮級數(shù)求和給出高階修正的結(jié)果，這樣一來videossex性暴力野外，不僅避免了許多繁復(fù)的積分運(yùn)算爱搞.com，而且求得了普通微擾論很難得到或不可能得到的高階修正的結(jié)果。

When MAA yeast was used to catalyze other systems, such as reducing ethyl 4-chloroacetoacetate to ethyl-4-chloro-3-hydroxybutyrate and ethyl acetoacetate to ethyl-3-hydroxybutyrate, the yield also improved at various degrees.

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The grindability of cement clinker was better than ordinary Portland cement, for example, on the same condition it took the high alite content Portland cement clinker 4.5min to grind to a specific surface area of 320m2/kg, while the o...

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Nineteen alloplasmic common wheats whose origins of cytoplasm are Aegilops and nuclear donor F94-111 were taken as study materials, the flag leaf area, net photosynthetic rate of flag leaf were measured and relative Chl. content of flag leaf, and genetic effects of Aegilops cytoplasm were studied. Ae. Squarrosa, Ae.

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