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Taxonomic Study on the Butterfly Subfamily Coliadinae (Lepidoptera: Pieridae) from China;2. Mitochondrial gene fragments of COⅠ and Cyt b of 24 species in the subfamily Pierinae and Coliadinaewere amplified and sequenced.

测定了粉蝶科的粉蝶亚科和黄粉蝶亚科14属共24种线粒体COⅠ和Cyt b基因部分序列，并从GenBank中下载了2种粉蝶的同源序列，以眼蝶科的2个物种为外类群，运用NJ法、贝叶斯法分别重建了分子系统树，探讨了它们的系统发生关系。

Mitochondrial gene fragments of COⅠ and Cyt b of 24 species in the subfamily Pierinae and Coliadinae were amplified and sequenced. Combing these with the homologous sequences of 2 species from GenBank and using 2 species of the Satyridae as the outgroups, the molecular phylogenetic trees of these groups were reconstructed with neighbor-joining and bayesian inference methods.

测定了粉蝶科的粉蝶亚科和黄粉蝶亚科14属共24种线粒体COⅠ和Cyt b基因部分序列，并从GenBank中下载了2种粉蝶的同源序列，以眼蝶科的2个物种为外类群，运用NJ法、贝叶斯法分别重建了分子系统树，探讨了它们的系统发生关系。

Dissimilatory Fe oxide reduction under anaerobic condition is a process which is an anaerobic respiration with Fe as the terminal electron acceptor. This anaerobic respiration showed important environmental significances. Dissimilatory Fe reducers can use diverse electron acceptors including many toxic heavy metals and metalloids such as Mn、Cr、Co insides Fe. So these toxic metals were detoxified or were immobilized reductively.

这种厌氧呼吸作用具有重要的环境学和地学意义，Fe还原微生物可利用除Fe以外的许多其它电子受体包括许多有毒重金属和类金属，如Mn、Cr、Co等，从而对这些有毒重金属起到还原解毒或还原固定的作用；还原过程还可促进一些有机污染物的降解； Fe氧化物的还原偶联着Si、P等元素的变化，对提高这些营养元素的有效性发挥着重要作用。

It is emphasized the experiments on reuse of waste rinsing water and regenerant. The results show that, the rinsing water volume can be reduced greatly if introducing CO〓 into tap water for rinsing.

此外还着重研究了再生液与淋洗水的重复利用，并提出在自来水中鼓入CO〓的作为淋洗水的工艺路线可以大幅度降低淋洗水量。

Sandeep Sood, chief executive of Monsoon Co., a Berkeley, Calif.

加州软件公司Monsoon Co。

Creatininase could be induced by the reagents such as creatinine, creatine, sarcosine, choline chloride and urea. Mn(superscript 2+) Co(superscript 2+) could remarkably increased the productivity of creatininase.

诱导物肌酐、肌酸、肌氨酸、氯化胆碱和尿素可以诱导酶的产生，Mn(上标 2+)、Co(上标 2+)对酶的产生有促进作用。

Noise can be reduced by about 2 dB by using oil-resistant rubber isolator to reduce solid-borne sound transmission;the setting-up of semienclosed noise barriers can not only reduce the work region's noise of workshop by 13 dB,but also adapt to the gas's characteristic involved with H2S,CO,and other poisonous components without supplied m...

通过选用耐油性好的橡胶隔振器减少固体传声，可降低噪声约2 dB；设置半封闭式机组隔声屏障可降低生产车间工作区域内的噪声达13 dB，并且适合瓦斯发电气源中含有H2S、CO等有毒有害气体的特点，不需增加强制通风措施；在生产车间四周墙壁和顶棚上敷设吸声体，最大可降低空间噪声8 dB；根据瓦斯发电机排烟噪声频谱特性设计的阻抗复合式消音器的消音量可以达到30 dB以上。

Noise can be reduced by about 2 dB by using oil-resistant rubber isolator to reduce solid-borne sound transmission; the setting-up of semienclosed noise barriers can not only reduce the work region's noise of workshop by 13 dB, but also adapt to the gas's characteristic involved with H2S, CO, and other poisonous components without supplied mandatory ventilation; locating the noise absorbers on the walls and ceiling of workshop can reduce noise by 8 dB; the exhaust silencer's elimination volume can reach above 30 dB which is designed in accordance with the exhaust noise spectrum characteristic of gas-combustion generator. By the combination of these measures, the noise of the gas- combustion generator will be under effective control, so that the gas power plant's noise pollution problems can be resolved.

通过选用耐油性好的橡胶隔振器减少固体传声，可降低噪声约2 dB；设置半封闭式机组隔声屏障可降低生产车间工作区域内的噪声达13 dB，并且适合瓦斯发电气源中含有H2S、CO等有毒有害气体的特点，不需增加强制通风措施；在生产车间四周墙壁和顶棚上敷设吸声体，最大可降低空间噪声8 dB；根据瓦斯发电机排烟噪声频谱特性设计的阻抗复合式消音器的消音量可以达到30 dB以上。

A reasonable explanation was given to this phenomenon in terms of the mechanism of anodic dissolution and characteristics of CO〓 corrosion. The corrosion behavior of P110 steel at lower temperature and pressure showed that, the corrosion product film initially was thin and discontinuous, then with the increase of temperature and exposure time it became thicker and sludgy, at last a new crystalline film formed on the sludgy film.

阳极极化和自然腐蚀电位下的EIS谱随温度变化规律表明，在两种电位下，室温到90℃的温度范围内，都存在一个临界温度，低于CT，电化学阻抗谱表现为三个时间常数，高于CT，谱图为双容抗弧，从阳极反应机理和CO〓腐蚀特征出发对试验结果进行了解释。

The results indicated that these surfactants were soluble in SC CO〓 and could form surfactant aggregates, which can solubilize significant amounts of water.

相态结果表明，这些表面活性剂能够溶解在SC CO〓中，并且能够形成增溶一定量水的表面活性剂聚集体。

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。