查询词典 of the period

The study has shown:(1) With increasing sediment depth and the woody giblets, the total organic carbon, the extraction of benzene , the total humic acids and the unhydrolyte are enhanced, while the hydrolyte is decreasing.(2) According to the GC-MS analysis, n-alkane,n-alkan-2-ones and n-alkanones are composed mainly of long-chains,such a result is thought to be characteristic of a herbaceous input from 2300a.B.P. n-alkanones exist in the samples may be considered as the evidence of microorganisms activity.(3) It is showed that the lipids is more sensitive to the climate change than the floristic. The proxy of the pollen spore of the peat stratum is different from the normal environment proxy. It is one of the main reasons that the sensitivity difference of the bog vegetation reacting to the climate isn't accordant with the log of the fat molecule fossil and biology fossil.(4) The transformation of the peat organic carbon is under the influence of temperature,acidity,organic material constituting, etc, and it showed the up-trend with the depth. In the short-term scale, the conversion of the peat organic carbon is effected by seasonal water,regional climate and vegetations; while in the long-term scale, it is controlled mainly by the climate.(5) According to the comparing the orderliness of organic compound,vegetation giblets with the depth to the characteristics of the peat molecule fossil with the section, in the development of this peatmire, 1500a B.P（210cm）is regard as the borderline of the late Holocene, the keynote of the front period is warm with several cold fluctuations, and the trend of the back period is dry and cold although there were several fluctuations.

研究表明：（1）随深度的增高及植物残体中木本残体的增多，总有机碳、苯萃取物、总腐植酸、不被水解物含量逐渐增高，而易水解物含量减少；（2）GC- MS分析显示，正构烷烃，直链烷基2-酮和正烷醇均以长链组分为主，揭示了该泥炭柱剖面2347a.B.P的母源输入以草本植物为主；甲基酮类和短链正烷醇的存在是微生物活性很大的生物证据；（3）通过有机分子标志物与孢粉、植物残体等指标的对比研究表明：脂类化合物对气候变化的反映要比植物种灵敏得多，不同沼泽植物对气候变化的敏感性的差异是脂类分子化石记录与生物大化石结果很难一致的主要原因之一；（4）泥炭有机碳的转化受到温度、酸度、有机物质组成等很多因素的影响，短时间尺度，泥炭有机碳的转化受季节性降水、地方气候和植被等因素的影响；长时间尺度，泥炭地有机碳的转化，受气候条件控制；（5）总结泥炭分子化石特征、泥炭有机质各组分含量及植物残体组成随深度的变异规律，分析结果显示该泥炭地层形成过程中，1500a B.P（210cm）可作为划分前后晚全新世的界线，前期的基调是气候偏暖，但又有几次偏干冷气候的反复，后期气候以干冷为主，其间虽有几次上升波动，但整体趋势不变。

A comparatively short period of warmth during an overall period of glaciation.

某一时期的文学可反映出该时期的价值观念和审美观念。

Of, belonging to, or designating the latest era of geologic time, which includes the Tertiary Period and the Quaternary Period and is characterized by the formation of modern continents, glaciation, and the ''.

新生代的属于、隶属于或称呼地质史上最新的时代的，包括第三纪和第四纪，其特征为现代大陆的形成、冰川作用以及哺乳动物、鸟类和植物的''。

For Active Guard Reserve personnel, the Good Conduct Medal qualification period may commence at a time during the three years immediately preceding the 1 September 1982 effective date, provided no portion of service for the Good Conduct Medal is included in a period of service for which the Army Reserve Components Achievement Medal was awarded.

对于Active民警卫队后备人员的品德优良奖章资格期限可能会开始在三年期间紧接1982年9月1日生效年的时间，提供了良好的奖章，而服务部分在服役期间列入其中陆军预备役组件成就被授予奖章。

This interest free period is also known as a grace period, and is usually in the region of 50 to 60 days.

这免利息期，也称为宽限期，通常是在该地区的50至60天。

Our paid-off period could be as long as 15 years, not including 3 years grace period.

我们的归还期可达15年之久，不包括3年的宽限期。

Our paid-off period could be as long as 15 years , not including 3 years grace period.

我们的偿还期可达15年之久，不包括3年的宽限期。

Also, unless you consider the spin levels which I'll soon introduce to you, there is no means to understand why the variations of the measured gravitational constant over a small period of time do not add up to a greater variation over a larger period.

而且，除非你考虑了接下来我要介绍的旋转平面，否则就无法理解为什么测到的万有引力常数在很长的一段时期以来都是在一个小的范围内变化。

Many people enter a hypnagogic state (the period of grogginess preceding sleep) at this point, since their bodies have already passed through the previous sleep stages during the five- to six-hour period.

许多人在这时进入了催眠状态，因为他们的身体机能已经在5或6小时睡眠时，经过了前一个梦境的阶段。

With reference to the valuation equation of the Inwood Method of Analysis, it is obvious that Rt, the net annual cash flow in period 1, is a random variable composed of gross receipts in the period, GRh operating expenses, OCt the property taxes, PTt.

关于估值的因伍德方程的分析方法，很显然，常规，每年的净现金流量在1日期间，是一个随机变量组成的总收入在此期间，激素经营费用， 10月）的财产税，公共交通总站。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。