The variation pattern of wood characters within tree revealed the utilization rate of tree stem.
木材性状株内变异模式揭示了树干利用率。
Moreover, it was carried out that tree stem forms were valued by index method analysis for each new poplar clones.
同时利用指数分析法对杨树新无性系干形的优劣进行了综合评价。
The variation of the three wood characters in perpendicular direction could not make great influence on vertical utilization rate of tree stem.
三个性状在垂直方向的变异对树干纵向利用率不会产生很大的影响。
Fig. 1 the 3-d attribute of the photo-tiger shown by the relationship between a tree stem (arrow) and the tiger body in the No. 29 and No. 40 photos.
图1照片虎的3d属性通过29和40号照片中老虎身体与一个树枝(箭头)间的关系显示出来。
The statistical difference of POD was showed firstly, the second index was tree stem capacitance, the third one was tree stem impedance and the last one was PPO.
时间顺序上,POD酶活性在统计学上最先表现出显著的差异性,其次是树体干部电容,之后是树体干部阻抗,最后是PPO酶活性。
Rows of willow by the side of the road is not able to withstand the coming of spring, green has become the tree stem of "cosmetics", make the dead stem seems to shine;
路边一排排的柳树也抵挡不住春天的来袭,绿色已经成了那枯树干的的“化妆品”,使得这枯树干仿佛也回光返照了;
The explanation is that each aspen while appearing to exist separately as a single tree, is in fact only the stem or shoot of a far larger organism.
对此的解释是,每一棵白杨,虽然看起来是独立存在的一棵树,但实际上只是一个巨型有机体的茎或芽。
Thrust a rod from its last shoot down the stem; it shall point to the center of the earth as long as the tree lives.
从它初发的嫩枝旁沿茎插一根笔直的杆子;只要这树活着,杆子将一直指着地心。
Result showed that different waterlogging depths have obvious effects on tree height, diameter at breast height, under branch height, trunk morphological structure, stem base form, and growth process.
结果表明:不同水分条件对池杉的树高、胸径、枝下高、干形、树干基部形态及生长过程均产生明显的影响。
Thorns, like those found on the Hawthorn tree, are modified branches that project from the stem and branches of a woody plant.
刺,例如山楂树上的刺,实际上是一种改良的分枝,它会从木本植物的茎和分枝中生长出来。
A tree is a tall, woody plant that usually has one main stem, or trunk.
树是一种高大的木本植物,通常有一根主干,或树干。
Inspection of the photo scene revealed a small living stem in the region of the tiger tail, which is the only tree in that area.
在拍照现场调查中,发现一个小的活树枝位于老虎尾巴区域,那是那一区域的唯一的树。
The ratios of stem, bark and branch biomass to total biomass of stand and individual tree are basically steady in different site index and planting density.
林分和单株的树干、树枝、树皮生物量组成比例均随立地指数、造林密度的变化无明显的差异。
The crow stands on a tree, doing nothing all day long, the rabbit sees a crow, ask: can I like you, what all need not stem?
乌鸦站在树上,整天无所事事,兔子看见乌鸦,就问:我能像你一样,整天什么事都不用干吗?
This paper presents a method that the stem taper curve of standing tree can be estimated with a considerable precision without the taper table.
该文探讨了不用编制削度表直接建立高精度立木干曲线的方法。
The cytoarchitecture of the raphe nuclei of the brain stem in the tree shrew was studied with Nissl's method.
用尼氏染色法,对树鼩脑干中缝核的细胞构筑进行了研究。
This paper had investigated fiber form and crystalline degree of Larix kaempferi in different tree age and different vertical location within a stem.
为深入了解日本落叶松的纤维特性,该研究对不同树龄和不同部位日本落叶松的纤维形态和纤维素结晶度进行了分析。
FAGLU-induced histofluorescence method was used to determine locations of catecholamine-containing neurons (ca neurons) in the brain stem of Tree Shrew (Tupaia).
应用FAGLU荧光组化技术观察了树鼩脑干儿茶酚胺神经元(简称CA神经元)的位置分布及其形态特征。
Additionally, investigations on shelterbelt trees were carried out, and stem-analysis techniques were used, to develop a method for determining the mature height of tree windbreaks (H0).
另外,通过对林带树木的野外调查,应用树木解析技术确定林带成林高(H 0)。
The main results were as follows:1. 6-BA of different time and different concentrations have obvious effects on apple tree's tree height and stem diameter.
得到的主要结论如下:1。不同时间、不同浓度的6-BA处理对苹果幼苗七、八月份的株高和茎粗生长量有明显影响。
Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
影响油锯择伐作业中保留木损伤率的因素很多,经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
影响油锯择伐作业中保留木损伤率的因素很多,经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
应用推荐