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- The paper uses typical sample plot method of forest ecology to obtain field data,and the Walkley-Black acid digestion method for measuring the carbon in the forest and soil is used in this paper. 运用森林生态学典型样地法设立标准地并获取野外数据,采用重铬酸钾-硫酸氧化湿烧法测定植物、土壤中的碳。
- Plus tree selection by sample plot method 标准地法选优
- A sample plot of the unstable frequency with crank speed is illustrated. 绘制了不稳定频率相对于曲柄速度的样本曲线。
- However, it is preferable to utilize the semilog linear plot method with several experimental points. 不过,用几个试验点作半对数线形图的方法更为可
- Within the stand one sample plot is laid down, often covering a large part of the stand. 在群落片段范围内设置一个样地,通常应占据群落片段的大部。
- Thus setting up a single sample plot in an area can produce some rather bewildering result. 因此,如果在某个地区内只在某单块抽样小区内采样,那末就可能得到某种较为含糊的结果。
- Apparent crystallization activation energy of bulk amorphous alloy was determined by Kissinger plot method and Ozawa plot method. 利用Kissinger法和 Ozawa法计算了大块非晶合金表观晶化激活能。
- Cumulation in each sample plot was a little different with the annual litter production. 各样地的蓄积量多少与年凋落量有一些差异。
- The typical sample plot with Sophora viciifolia was take as research object in the Zhifanggou catchment of the hilly gully Loess Plateau in July 2002. 于2002年5月份,在陕北黄土区纸坊沟流域选择狼牙刺典型样地,以柠条、撂荒地作为对照。
- There are still some problems in the permanent sample plot database, so using the database for carbon sequestration approximations often result in overestimation. 不过,永久样区设置与资料仍有许多不足,用来估算国有林地蓄积量与碳吸存量容易有高估的情况发生。
- The relationship between the zokor occurrence and canopy density was studied in 5 different types of 11-year-old improved secondary forests ny regular sample plot survey. 摘要通过对次改林地11年的鼢鼠发生和林分郁闭度关系研究发现,鼢鼠密度上升期,鼢鼠密度、雌雄比与郁闭度呈递增关系,成亚比与郁闭度呈递减关系;
- The research was carried out by investigating number of predators and predation capabilities along with mortalities of the pine bast scale (?Matsucoccus liaoningensis? Tang) inside sampling plot, and by applying the ?K?-value graphic analysis method. 采用样方内各种捕食天敌数量与其捕食量引起辽宁松干蚧Matsucocusliaoningen?sisTang1)死亡数的调查统计法、K-值图解分析法,研究了辽宁松干蚧捕食天敌的作用。
- But with plotting method only safety is considered, no attention is paid to the economy. 但几何作图方法只考虑了安全问题,而没有考虑经济问题。
- Based on the locating monitoring and sample plot investigation, this paper discussed the structural feature and biomass of soil and water conservative plantation of Armand pine in the upper reach of the Yangtze river. 通过定位监测与样地调查,分析了长江上游华山松水土保持人工群落的的结构特征,并对其生物产量进行了测定。
- A novel approach of fault identification of KPCA is presented, which is called the contribution plots method. 摘要提出一种新的针对KPCA模型的故障识别方法-贡献率图法。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- The result shows that there are 127 tree species,76 arbor tree species and 51 shrub tree species,in sampling plot. 结果表明:在1 hm2样地内,共记录到木本植物127种,其中乔木为76种,灌木51种。
- The plotting method not only exhibits information about the cations and anions explicitly, but also provides a more lucid hydrochemical classification. 图解结果不但可以清楚地显示地下水中阴、阳离子含量的信息,而且也提供了更明晰、易懂的水化学类型的信息。
- Whereas, the joint angle method, which could improve the Q-statistic plots method, was used to isolate the fault source on line employing the history fault knowledge. 联合角度法改进了传统的贡献图的诊断方法,通过对故障库中的故障知识的利用,能够在线的分离出发生故障的传感器。
- The silly ending robs the plot of any credibility. 这愚蠢的结尾使得整个情节变得一点都不可信。