查询词典 period

This paper detaily discussed the technical principle of activated-sludge process and the reaction mechanism of biological nitrogen and phosphorus removal in anaerobic period,anoxic period and aerobic period.

本文系统详细的论述了活性污泥法的工艺原理以及生物除磷脱氮工艺的厌氧、缺氧、好氧反应阶段的反应机理。

The results showed that No.10 to No.30 leaves,charactered with longest growimg period,hight temperature accumulation,were main function leaves.From No.20 leave,sugar beet enter into beet root,sugar inercasing period.From No.55 leaf,it enter into sugar accumulation period.

叶片是甜菜的唯一光合器官，叶片的数量、寿命、生长与枯萎等都影响着甜菜块根的形成和糖份的积累，最终决定着甜菜块根的产量和含糖量，所以，对具有光合作用的功能叶片的研究，尤为重要。

Bull; Wine is a living thing,"the more the more Xiang Chen," does not apply to wine: wine bottle stopper with the outside world through the wood and non-stop air exchange of changes in the life cycle of its age is shallow - the development phase - the mature - the peak period - the degradation period - old period.

bull；葡萄酒是有生命的，&愈陈愈香&不适用于葡萄酒：葡萄酒装瓶后透过木瓶塞与外界空气交换而不停变化，它的生命周期是浅龄期－发展期－成熟期－高峰期－退化期－垂老期。

Testimony to this is the discovery, in excavations, of coins of the Han period but the outstanding monument to this turbulent period must undoubtedly be the fine brick-built tomb uncovered at Lei Cheng Uk in 1955 with its array of typical Han tomb furniture, dateable from the early to middle Eastern Han period.

上述情形，可从在本港发掘到汉代的钱币得到证明。但这动荡时期的显著遗迹，当是一九五五年在李郑屋发现的完整砖墓。这座古墓陈放？典型汉代冥器，可推定为东汉初期至中期的古迹。

New methods for preventing and treating bottom water coning are found out through deeper understanding of the development practice and rational adjustment, which are to control liquid production in low water cut period, to produce oil and water simultaneously in medium water cut period, and to drill side - track well or to shut well down to kill coning in high water cut period.

针对小型块状边底水油藏特征，编制了适合油藏特点的开发方案，在开发实践中不断加深认识，合理调整，探索出低含水期控制液量、中含水期油水同采、高含水期老井侧钻、关井压锥等有效防治扣治理底水锥进的新方法，形成了小型边底水油田开发的成熟技术，实现了油田高速高效开发，为今后同类型油田的开发提供了借鉴。

The saving-water effect of Radish and Cabbage under PFM and appropriate irrigation,and the drought-resisting of radish seedling which seed was soaked by CaCl_2 were systematicly reseached by field observation and the experiment in door.The main results were summaried as follows:The soil temperature of 0~20cm cultivated layer was increased 3-4.5℃ in early growth period was only 1℃ in late growth period by PFM;there was more water saved up to 20.84mm in 0~60cm soil layer by PFM than no PFM in the early growth period of Radish;the yield and water use efficiency of Radish in L4 were exceeded respectively 10.1% and 21.9% of that contrast, the yield and water use efficiency of Cabbage in G4 were exceeded respectively 8.7% and 26.58% of that contrast, under PFM and appropriate irrigation.

主要研究结果如下：地膜覆盖在植株生长前期耕作层平均可增温3～4.5℃，在生长后期增温幅度减小，仅有1℃左右；地膜覆盖在植株生长前期可有效的保持土壤水分，在萝卜生长前期，使0～60cm土层内多储水20.84mm；在覆膜不灌水充分利用自然降雨的条件下生产萝卜，可比裸地正常灌水萝卜增产10.1%，水分利用效率提高21.9%；覆膜只浇一水生产甘蓝，可比裸地正常灌水生产甘蓝增产8.7%，水分利用效率提高26.58%。

Structural traps may form in three different periods, with anticlines associated with faults in the early period (Eocene-Oligocene), drape structures in the middle period and compressive anticlines in the late period (Pliocene-Holocene).

圈闭形成有3期，早期形成的构造圈闭主要是与断层相关的背斜构造，中期形成的构造圈闭主要是披覆背斜，晚期形成的主要是挤压背斜。

Structural traps may form in three different periods, with anticlines associated with faults in the early period（Eocene-Oligoeene）, drape structures in the middle period and compressive anticlines in the late period （Pliocene-Holocene）.

圈闭形成有3期，早期形成的构造圈闭主要是与断层相关的背斜构造，中期形成的构造圈闭主要是披覆背斜，晚期形成的主要是挤压背斜。

His carters generally were included Amdo period, Lhasa period and south Asian period, and he made many paintings during these times.

他作为上世纪最早受西方绘画和艺术思想影响的藏族画家，在西藏现代美术发展史上有着特殊的意义和地位。

To measure the magnitude of litigation risk, this paper uses the debacles of Enron in 2001 and Procomp in 2004 to separate the sample years into three periods: Pre-Enron period (1999~2001), Post-Enron period (2002~2003), and Post-Procomp period (2004~2006), with the latter periods being associated with higher litigation risk.

本研究以2001年的Enron案及2004年的博达案为分界，探讨我国大型会计师事务所之客户财务风险可接受水准，是否随著会计师所面临的法律诉讼风险之增加而降低。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了