1) tree product
树积
2) pitch deposition
树脂沉积
1.
Certain water soluble polymers can be effective in prevention and controlling of pitch deposition in papermaking processes.
本文阐述水溶性聚合物类助剂对树脂沉积的控制机理、相关助剂的种类及应用技术,指出相关研究、开发及应用的重要性。
2.
Tall oil was used as a model compound of the pitch in the pulp suspension to study the effects of calcium soaps on the pitch deposition with and without fibers.
利用塔罗油作为新闻纸厂浆水体系中树脂的模型物,分别在有纤维和无纤维存在下研究了钙皂对树脂沉积的影响。
3.
Tall oil was used as a model compound to study the effects of calcium soap and the pulps on the pitch deposition.
以塔罗油为模型物,在纸浆存在的条件下研究了钙皂的存在对树脂沉积的影响。
3) tree crown volume
树冠体积
1.
Measuring tree crown volume based on three dimension laser scanning and mapping system—taking Pinus tabulaeformis as a case.;
一种基于三维激光扫描系统测量树冠体积方法的研究——以油松为例
4) crown volume
树冠体积
1.
mongolica) plantation, the predicting models of crown surface area and crown volume were developed according to power function as base model by analyzing the relationship between crown surface area and crown volume with stand and tree variables.
mongolica)人工林6块固定标准地30株枝解析数据,在分析树冠表面积和树冠体积与林分变量和林木变量的基础上,利用幂函数建立了树冠表面积(CSA)和树冠体积(CV)的预估模型,同时还对林木材积生长量与CSA和CV进行了相关分析。
5) convolution tree kernel
卷积树核
1.
This paper explores the effectiveness of two kernel-based methods,the convolution tree kernel and the shortest path dependency kernel,for Chinese relation extraction based on ACE 2007 corpus.
该文探讨了核方法在中文关系抽取上的有效性问题,主要分为三部分:研究了在卷积树核中使用不同的语法树对关系抽取性能的影响;通过构造复合核检查了树核与平面核之间的互补效果;改进了最短路径依赖核,将核计算建立在原最短依赖路径的最长公共子序列上,以消除原始最短路径依赖核对依赖路径长度相同的过严要求。
6) the product of trees
自乘积树
补充资料：积积
1.长久累积。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条