小粒

In this paper the thymus DNA of calf and the pBs plasmid are the main objects of our studies in ultraweak luminescence. By means of PIAS(Photon-counting image acquisition), ultraweak luminescence detector and Lambda Bio 40 of UV/VIS spectrophotometer, we studied the UL of DNA induced by the three oxygen free radicals: singlet oxygen Oa, hydroxy radical and superoxide anion(O2 ). We found that the OH can greatly increase the UL intensity of DNA.

本论文以小牛胸腺DNA和质粒pBs为实验材料，利用光子图像探测系统(Photon-counting image acquistion，PIAS)、微弱发光测量仪和UV／VIS分光光度计和生物统计学的成组比较法原理对单线态氧(~1O_2)、羟自由基、超氧阴离子(O_2~-)三种氧自由基诱导DNA超弱发光的变化过程进行了研究，结果发现这三种氧自由基中·OH能诱导DNA的超弱发光发生显著的增强变化，而其他两种氧自由基对DNA的超弱发光并无显著诱导作用。

It was attributed to the plasticization of FPP and AA.

在相同分散程度下，粒径较小的填料填充

Stomia The site at which a sporangium or pollen sac ruptures to release the spores or pollen.

裂口：孢子囊或花粉囊的开裂位置，小孢子或花粉粒从中散出。

The results show that,the MIE of polyethylene has an exponential relationship with maximum particle size.

研究结果表明，聚乙烯粉体的最小点火能量和最大粒径近似成指数关系。

There was obviously positive interaction between root cutting and correspondent fertilizer application.

施氮虽然改变了籽粒的灌浆进程，但对最终粒重增加的影响相对较小；随施氮量的增加，氮肥的增产效应显著降低。

Though there was no powder in it; but about two pound of fine glaz'd powder, in three small flask s, kept, I suppose, for charging their fowling-pieces on occasion

箱子里没有很多火药，只有两磅压成细粒的火药，装在三只小瓶里；我想大概是装鸟枪用的。

The proprieties of nano-scale materials differ from those of bulk materials due to their small size.

纳米材料由於粒径小而具有许多特殊的不同於块体材料的性质。

All nature, from the smallest thing to the biggest, from a grain of sand to the sun, from the protista to man, is in a constant state of coming into being and going out of being, in a constant flux, in a ceaseless sate of movement and change.

自然中所有事物，从最小到最大，最一粒沙到太阳，从原生物到人，是处在一个不断生成和消亡状态中，不断变迁，永远不停的运动和变化中。

The first gut reflux moves digesta from the gizzard back into the proventriculus once for each gastro-duodenal contraction cycle.

这种收缩循环会重复很多次，直至饲料粒径降到1毫米以下，最后通过向十二指肠括约肌转运物质的小缝离开肌胃。

The results show that catholic reduction of pyrolusite can be conducted, but the reduction rate is low. The effects of temperature to pyrolusite reduction on the cathode are remarkable. The exchange current density increases with the increase of temperature. The presence of irons is favorable to reduce pyrolusite.

结果表明软锰矿粒可以在阴极上还原，但所占比例较少，温度对软锰矿影响量大，软锰矿在石墨阴极还原的交换电流密度随温度的升高而增大，阴极极化的传递系数很小，添加铁离子有利于软锰矿的还原。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。