您要查找的是不是:
- Avrainvillea elliottiin. 埃氏绒扇藻
- Laboratory stimulated extended modified continuous cooking (EMCC) of pinus elliottii was carried out in this study. 对我国引种的南方湿地松进行了实验室模拟EMCC(延伸的改良连续蒸煮)深度脱木素蒸煮的研究。
- ECF bleaching of the modified kraft pulp (MK) and conventional kraft pulp (CK) of Pinus elliottii was carried out in this study. 对南方湿地松改良硫酸盐法浆(MK浆)和常规硫酸盐法浆(CK浆)进行了ECF漂白的研究。
- Investigation was made on the occurrence environment of Dendrolimus kikuchii in Pinus elliottii on the lower and middle hills. 摘要文章对思茅松毛虫在中低丘陵湿地松林的发生环境作了简单调查;
- Investigation was made on the occurrence environment of Dendrolimus kikuchii in Pinus(elliottii) on the lower and middle hills. 文章对思茅松毛虫在中低丘陵湿地松林的发生环境作了简单调查;初步划分了危害类型,分析了成灾原因。
- Variations in chemical compositions of oleoresin from Pinus elliottii Engelm. in different tapping seasons were studied. 研究不同采脂季节湿地松单株产脂力和松脂化学组成。
- The chemical components of Pinus elliottii Engelm. oleoresin from Brazil were analyzed by gas chromatography-mass spectrometry (GC-MS). 摘要利用GC-MS联用技术对取自巴西的湿地松松脂化学成分进行了分析和鉴定。
- South the pine lumber or south the yellow pine is four kind of main tree seeds: Shortleaf-pine, longleaf pine, pinus elliottii and pinus taeda's representative. 南方松木或南方黄松是四种主要树种:短叶松、长叶松、湿地松和火炬松的代表。
- Using TCT-GC/MS technique,diurnal emission cycles of volatile organic compounds(VOCs) from Pinus massoniana and Pinus elliottii were analyzed respectively. 用TCT-GC/MS分析了马尾松、湿地松挥发性有机化合物的昼夜节律变化。
- Using TCT-GC/MS technique, diurnal emission cycles of volatile organic compounds (VOCs) from Pinus massoniana and Pinus elliottii were analyzed respectively. 摘要用TCT-GC/MS分析了马尾松、湿地松挥发性有机化合物的昼夜节律变化。
- However,the size of planting hole has little effect on the survival ratio and growth of the young trees of Pinus elliottii and Choerospondias axillaris. 试验结果同时表明,种植穴大小对南酸枣和湿地松的成活率及其3年生幼树生长影响不显著。
- Pinus elliottii. 湿地松
- Pinus elliottii Engelm. 湿地松
- By two?way analysis of variance and rank correlation analysis,we analyze the geographical origin of Pinus elliottii the result of which shows that Guangdong is suitable for the growth of the origin of Pinus elliottii from Georgia and South Carolina. 用双因素方差分析和秩次相关分析方法;对湿地松地理种源进行分析;结果表明:来源于佐治亚州和南卡罗尔纳州的湿地松种源较为适合广东生长.
- The radial variation patterns of wood density in Pinus elliottii and Pinus teada planted with different tree spacing in Hunan Province and Jiangsu Province were studied by x-ray wood densitometry. 对两个地区不同种植密度的湿地松、火炬松进行了微密度分析,研究了种植密度对木材密度径向变异模式的影响。
- This paper,however,conducts some research on the relationship between the soluble sugar content and the plasma-membrane permeability of Pinus elliottii inoculated with pine wood nematode. 以接种松材线虫的湿地松来作为实验材料,对感病湿地松叶片内可溶性糖含量与叶片质膜透性变化的关系进行研究。
- The ecological and biological characteristics of Pinus elliottii is studied in Heshan City,Guangdong Province since 1984.P.elliottii is capable of fighting drought and bearing barren land. 湿地松具有抗旱耐瘠薄、早期生长快的特点,因而被广泛引种并常用作植被恢复的先锋树种。
- Propose to fertilize with base fertilizer if condition permits, when Pinus elliottii are planted in dry, poor land, container seedling can be used to improve the growth rate and growth. 如果条件允许可施基肥改善土壤营养状况,在干旱贫瘠的土壤上种植湿地松时,应采用容器苗,以提高苗木成活率和生长量。
- Keywords Pinus elliottii;oleoresin;resin acid; 湿地松;松脂;树脂酸;
- Pinus elliottii Engelm. oleoresin 湿地松松脂