Pinus的例句大全

The biomass estimation parameters of Larix and Korean Pine have not obvious trend with stand age, while the BEF^ BCEF and R of Pinus sylvestris var. Mongolia decreases with the stand age increasing, and gradually stabilized.

落叶松和红松的生物量估算参数随林龄无明显变化趋势，樟子松BEF、BCEF和R随林龄的增大而减小，并逐渐趋于稳定。

Analysis on the variation of female-male flowers and strobilus production of clonal seed orchard of Pinus tabulaeformis carr.

油松无性系种子园雌雄球花量及球果量变异分析。

The successive 7 year observation on seed setting habit for Pinus massoniana seed stand was carried out, results show: ( 1) Flowering period ranged from 10 to 15 days, but the flowering period of male and female strobilus are overlapped;

通过对马尾松母树林7a的观测资料分析表明：（1）马尾松花期为10～15d，雌雄球花的散粉期与受粉期大致同步；

Essential oil content of provitamin concentrate from pine needles ( Pinus massoniana Lamb.) was about 15%.

松针维生素原浓缩物中的精油（90℃～130℃馏份）其量约为维生素原浓缩物的15%。

Monitoring Pests of Pinus Massoniana by Using M99-1 Attractant

应用M99-1引诱剂监测马尾松病虫害的研究

Litchi chinensis, Dimocarpus longan, Pinus massoniana, Casuarina equisetifolia, Pinus elliottii, Acacia confusa area is also declining; the area of sand and Eucalyptus is increasing; feng shui forest, other forest and bamboo does not change.

荔枝、龙眼、马尾松、木麻黄、湿地松、相思树的面积也在不断减少，桉树和宜林沙荒地的面积在增加，风水林、其它林、竹林没有什么变化。

In species of Pinus which are polycyclic flower initiation must occur over a wide time range.

具有多环球花的松树属种,其花的孕育期会延续较长的时间.

A Study on the Biomass and Water Conservation of Mixed Forest of Pinus massoniana and Sassafras tzumu

马尾松檫树混交林生物量及水源涵养研究

Species diversity of wild edible mushrooms from Pinus yunnanensis forests and conservation strategies

云南松林野生食用菌物种多样性及保护对策

The soil water characteristics, the soil physical characteristics and the canopy interception of Pinus tabulaeformis plantation were studied in the middle shady slope of Daqing Mountain. The results showed that: ( 1) The thickness of the soil layer was 35~ 104cm.

本文对大青山阴坡中部油松人工林地土壤水分、物理特性及林冠截留等进行了研究，主要研究结果如下：（1）林地土层厚度为35cm～104cm。

During~ 2.68-2.45 Ma, the vegetation was dominated by arbores, mainly Pinus, Chenopodiaceae and Artemisia, indicating a cold warm climate in the mountain region.

约在2.68~2.45Ma期间，植被以乔木为主，主要为松、藜、蒿，属山地寒温气候；

Aquacultural exercised twigs of Pinus massoniana were inoculated with pine wood nematodes, strain C, and the mixture of the two former, respectively.

在健康的水培马尾松枝上分别接种松材线虫接种液、菌株C接种液、松材线虫与菌株C的混合接种液。

The Studies on the Growth and Antipollution Effects of Mixed Forest Pinus massoniana × Schima superba

马尾松木荷混交林生长与抗污染效果研究

Studies on the Comprehensive Managing Technology of Aerially Seeded Pinus Massoniana Stands in Hunan Province

湖南省马尾松飞播林综合经营技术研究

Through slice-making and isolated culture, 24 species of fungi have been identified from buds, needles, branches and stems of Scotch pine ( Pinus sylvestris var. mongolica). Among them, there are 3 ascomycetes, 1 basidiomycetes and 20 imperfect fungi.

通过对樟子松叶、枝、芽、果等部位进行组织切片和真菌分离培养，鉴定出真菌24种，其中子囊菌3种、担子菌1种、半知菌20种。

The Pinus sylvestris var. mongolica experiences for 26 months from the flowered anlage producing to the mature of cone, during the period the influence of climatic factors is very big.

樟子松从花原基产生到球果成熟需经历26个月的漫长时间，期间受气候因子影响较大。

Allozyme Method in Study on Population Genetics of Pinus yunnanensis

云南松居群遗传学研究的等位酶分析方法

The Secondary Pairing and Multipolar Division in PMC Meiosis of Three Species ( Pinus bungeana, Pinus tabulaeformis, Picea meyeri) of Pinaceae

三种松科植物（白皮松Pinus bungeana，油松pinus tabulaeformis，白杄Picea meyeri）小孢子母细胞减数分裂中的次级配对和多极分裂现象

Studies on Cytochemistry of albuminous cells in secondary phloem of stem in Pinus bungeana Zucc

白皮松茎次生韧皮部中蛋白细胞的细胞化学研究

The Development of Comprehensive Managing Expert Simulation System for Aerially Seeded Pinus massoniana

马尾松飞播林综合经营专家模拟系统的研制