A Study on Bleaching Properties of KP Pulp of Larix kaempferi;
日本落叶松硫酸盐浆漂白特性
The AS-AQ Pulping Properties of Larix kaempferi;
日本落叶松AS-AQ法制浆特性
The Physical Properties of Larix kaempferi Pulp;
日本落叶松纸浆物理性能的研究
The study on introduction experiment of Japanese larch clones;
日本落叶松无性系引种试验林研究初报
Hybridizing Experiment in Larix principis rupprechtii and Japanese larch;
华北落叶松与日本落叶松杂交试验
Study on the Increment of Japanese Larch Based on the Method of Artificial Neural Network;
基于人工神经网络的日本落叶松生长量研究
The afforestation effect of productive introduction of Larix leptolepis in high-wet low-temperature area of southern Hunan;
湘西高湿低温区生产性引种日本落叶松造林成效初报
Mixed planting techniques by Pinus koraiensis, Larix leptolepis with Alnus tinctoria and Betula platyphylla;
红松、日本落叶松与色赤杨、白桦等阔叶树种混交造林技术的研究
Study on Density Effects of Larix leptolepis Plantations;
日本落叶松人工林密度效应的研究
The results show that the tangential-radial shrinkage difference of artificial wood L.
研究人工林日本落叶松(Larix kaempferi)和日本花柏(Cham aecyparis pisifera)木材的部分物理力学性质和化学成分。
This paper investigates the influence of dosage of soda,sulfidity and the time at maximum temperature on L.
以日本落叶松为原料,分别研究了用碱量、硫化度、保温时间对硫酸盐法制浆的影响,并对不同树龄、不同部位和不同单株之间的制浆差别进行了比较。
This paper investigated the influence of dosage of soda, sulfureted degree and heat preservation time on Larix kaempferi kraft pulping, in order to find out the difference between L.
该文以日本落叶松为原料 ,分别研究了用碱量、硫化度、保温时间对硫酸盐法制浆的影响 ,并对不同树龄、不同部位和不同单株之间的制浆差别进行了比较 。
Study on Control of Adelges Laricis Vallot;
日本落叶松球蚜防治研究
Comparison on Photosynthesis of Larix Kaempferi Carr., L. Olgensis Herry. and Their Hybrids
日本落叶松、长白落叶松及其杂种光合作用比较
Comparative study on the growth of different age of Larix kaempferi and Larix principis-rupprechtii
不同林龄日本落叶松与华北落叶松生长的比较
The Stand Growth and Yield Prediction of Larix Koempferi;
日本落叶松林分生长预测及收获预估
Experiment Study of The Selection with Superior Larix kaempferi Clones
日本落叶松优良无性系选择试验研究
Study of Density Control Techniques of Larix kaempferi Plantation
日本落叶松人工林密度调控技术研究
Molecular Mechanism of Different Rooting Capacity between Two Clones of Larix Leptolepis×Larix Olgensis;
日本落叶松×长白落叶松无性系间生根差异的分子机制
Analyzing Parameters of Height-Age Models for Open-Pollinated Japanese Larch Families
日本落叶松家系对树高生长模型参数的影响
Studies on Genetic Variation and Early Selection of Japanese Larch Clones
日本落叶松无性系遗传变异及早期选择的研究
STUDY ON THE WHOLE FOREST STAND OF ARTIFICIAL JAPANESE LARCH FOREST
日本落叶松人工林生长预测的全林分模型研究
Study on the Natural Thinning of Population in Man-made Japanese Larch Forest.
日本落叶松人工林种群自然稀疏规律的研究
ESTABLISHMENNT AND APPLICATION OF DENSITY CONTROL DIAGRAM OF JAPANESE LARCH STAND
日本落叶松林分密度控制图的编制及应用
Study on Stand Structure of Larix Kaempferi Artificial Forest and Its Increment Prediction;
日本落叶松人工林林分结构与生长量预测研究
Rooting variation of high-aged first cycle cutting orchard of Japanese larch clones
日本落叶松高龄一轮采穗圃无性系生根变异
Preliminary Report on Cultivated Effect of Small-Medium Diameter for larix kaemferi (Lamb.) carr.in the South
南方日本落叶松中小径材培育效益初报
Screening Habitat Factors and Determining Their Weights of Larix Kaempferi Plantation
日本落叶松人工林生境因子筛选与权重确定
Using the Pilodyn to Assess Wood Traits of Standing Trees Larix kaempfri
Pilodyn在日本落叶松活立木材性指标预测中的应用
Study on Biochemical and Molecular Mechanisms of Larix Leptolepis ×L. Principis-rupprechtii Somatic Embryogenesis;
日本落叶松×华北落叶松体细胞胚胎发生的生化机制和分子机理研究
Study on Prediction Model of Stand Outturn and Table of Outturn for Japanese Larch
日本落叶松林分材种出材量预测模型和出材量表的研究