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- In this paper, the author points but the way how to obtain Masson Pine area by means of Aerial Photo-Interpretation at the plot of area propor tion. Thus providing necessary basis for the scale of comprehensively utilizing plant of Masson Pine root. 本文利用航空象片成数点判读与地面样点(或二类调查固定样地资料)检查纠正判读中错误的方法获得总体内马尾松面积,并结合必要的地面马尾松根根量的调查,取得总体内马尾松根资源的数据,为建立马尾松松根综合利用企业的规模提供必要的依据。
- masson pine root 松根
- Research on log rule of timbers from artificial masson pine forest. 马尾松人工林材种出材率表的研究。
- If Camptotheca acuminata from the root bark, bark or fruit in the separation of camptothecin of masson pine caterpillars have a strong role in infertility. 如从喜树的根皮、树皮或果实中分离的喜树碱对马尾松毛虫有很强的不育作用。
- Abstract: Using a random test with 7 treatments and 3 repeats the study on silvicultural effect of root cutting seedling of Masson pine and its soil loss were carried our in a mid-fertile red soil. 为提高马尾松的造林成活率和促进早期生长,使其尽快郁闭成林,减少表土流失,在肥力中等的酸性红壤上,采用随机区组试验设计,进行了不同切根苗木造林效果及水土流失状况研究, 试验设7个处理,3次重复。
- The effect of pretreatment on masson pine SGW pulp peroxide bleaching was studied. 研究了漂前预处理对马尾松磨木浆H2O2 漂白的影响。
- Distribution pattern of nutrient elements in masson pine plantation of Anhui province. 安徽马尾松人工林营养元素分配格局的研究
- The effects of PEG pretreatment on seed vigor of masson pine(Pinus massoniana)were studied. 研究了聚乙二醇(PEG)渗透处理对马尾松种子活力的影响。
- Abstract: The micro-tensile processes of Chinese-fir and Masson pine are studied by synchrotron radiation light (SRL). 文摘:运用同步辐射光源,对杉木和马尾松径、弦向切片在拉应力作用下的破坏过程进行了观察。
- Effect of amino sulfonic acid on hypochlorite bleaching of masson pine kraft pulp was experimented. 试验了氨基磺酸对马尾松硫酸盐化学木浆次氯酸盐漂白的影响。
- The piteous insect, with its belly upon the ground, was inching laboriously until it came onto an evergreen pine root. 那可怜的小虫在地面慢慢地爬,好容易爬到不老的松根上头。
- The micro-tensile processes of Chinese-fir and Masson pine are studied by synchrotron radiation light (SRL). 运用同步辐射光源,对杉木和马尾松径、弦向切片在拉应力作用下的破坏过程进行了观察。
- Castanea mollissima was one of several damaged insect species in Masson pine (Pinus massonian Lamb) forest. 摘要波纹杂毛虫幼虫是马尾松林又一害虫。
- The one stage and two stages H2O2 bleaching of SGW from Masson Pine were investigated in this paper. 本文对马尾松磨木浆(SGW)进行了单段H2O2漂白和两段H2O2漂白试验,确定了H2O2漂白的最佳工艺参数。
- Genetic variations between populations and individuals of Masson pine in Fujian Province. 福建省马尾松群体和个体遗传变异的研究.
- Activated carbon as vinylon catalyst support was made from white charcoal in suitable process on the basis of preparation of that from pine root charcoal. 本文在松根炭制维尼纶载体炭小试的基础上,利用白炭强度高的特点,选择合适的炭活化工艺,制造维尼纶载体炭。
- Guozhen pine pollen growth in the country is a unique selection of masson pine pollen species as raw material health treasures from the scientific formula. 国珍松花粉是选用生长于我国的特有树种马尾松之花粉为主要原料,经科学配方而成的保健珍品。
- Soils under broad-leaved, masson pine, Chinese fir and bamboo forest in the area of Huzhou, Zhejiang were selected for this study. 在我国亚热带采集了常绿阔叶林、马尾松林、杉木林和毛竹林土壤,分析了土壤总有机碳和水溶性有机碳含量。
- Dendrolimus punctatus was one of several damaged pests in Masson pine(Pinus massonian Lamb)forest. The prevention experiment on D. 马尾松毛虫Dendrolimus punctatus Walker是马尾松林重要害虫。
- The larger the difference is between the contents of longifolene and trans-caryophyllene, the stronger the resistance of the masson pine is. 而且长叶烯与反式石竹烯的含量差越大,马尾松种源的抗松材线虫病能力越强。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries