1、

Study was made on the content of Sulphur in permafrost and the influencing factors of the Sulphur contents in three ecosystems which were virgin forest, clear cutting forest, original wetland in typical temperate Larix gmelinii forest region in China.

通过对我国典型寒温带兴安落叶松林区的原始林、间伐林、原始湿地3种生态系统冻土中硫含量以及影响硫含量因素的研究。

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2、

Meanwhile, all the optimum and potential distributing regions of Larix gmelinii, Spruce fir forest and Pinus koraiensis have the tendency of moving northwards.

同时,分布于大兴安岭的兴安落叶松、小兴安岭及东部山地的云冷杉和红松等树种的可能分布范围和最适分布范围均发生了北移。

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3、

The Characteristic of Larix Gmelini Bark Pyrolysis and the Preparation of Pyrolysate Adhesive

落叶松树皮热解特性及热解油制胶技术研究

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4、

Prevention Method and Morphological Characteristics Dried up Die back of Larix

落叶松枯梢病的形态特征及防治方法

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5、

Taking chemical compositions and fiber shape into account, 12-year and 15-year Larix kaempferi have some advantages over those older than 20 years in papermaking.

从化学组成与纤维特性分析来看,12年生和15年生日本落叶松较20年以上树龄的日本落叶松对制浆造纸更为有利。

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6、

Application of future net worth model in early selection of Larix kaempferi

日本落叶松早期选择中未来净值模型的应用

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7、

The peat moss will be changed into valuable things and it promotes automatically the renewal of Larix olgensis forest for peat moss is cleared away.

以及开发泥炭藓的多种应用,既可收到变废为宝,又因清除了藓类等地被物而促进长白落叶松林的更新。

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8、

In the Larix Mill, there are evident differences between two groups on the seed coat ornamentation.

该属内两个组的种皮纹饰存在明显差异。

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10、

Studies on Carbon Sequestration of Larix Gmelinii Virgin Forest and Restoration Forest after Cutting

兴安落叶松原始林和采伐后恢复林分的碳汇能力研究

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11、

Study on the cohort structure of Larix gmelini population in virgin forest in northern of Daxing'an Mountains

大兴安岭北部原始林兴安落叶松种群世代结构的研究

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12、

Study on development of female and male flower and pollination capacity for Larix gmelinii

兴安落叶松雌雄球花发育及胚珠授粉能力的研究

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13、

To clarify the relation between the pollen percentage of Larix and its stand density, surface samples from tundra, forest tundra and taiga in the Far East Russia were analyzed.

为了搞清楚落叶松花粉百分比和实际森林密度的关系,我们系统地分析了从苔原、森林苔原以及泰加林的表土样品。

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14、

In Hokkaido, grassland and taiga were mainly consisted of Larix, Pinus and Picea. Climate was colder and drier than that around 30 ka.

在北海道末次冰盛期的草原和泰加林主要由落叶松、松以及云杉组成,气候更加干冷。

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15、

During the LGM, bog and taiga were mainly composed of Larix and Pinus in Sakhalin, which could be correlated to the present northeast Siberian taiga.

萨哈林岛在末次冰盛期的草原和泰加林主要山落叶松和松组成,和现在西伯利亚东北部的泰加林相似。

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16、

the provenance test of 21-year old larix gmelinii at maoershan area

帽儿山地区21年生兴安落叶松种源试验

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17、

study on rationalisation about afforestation model of "two lines and one belt" in larix olgensis. forest

长白落叶松“两行一带”造林模式的合理性研究

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18、

slopes at forest margins, an important species in larix forests; 1500--2500 m. xinjiang [afghanistan, kazakhstan, mongolia; sw asia (iran)].

在林缘,在落叶松林里的一重要的种的山坡;1500-2500米新疆[阿富汗,哈萨克斯坦,蒙古;亚洲西南部(伊朗)]。

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19、

study on softwood cutting techniques of larix olgensis under full sun spraying

长白落叶松全光喷雾嫩枝扦插育苗技术的研究

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20、

the several abnormality on strobile of larix

落叶松属孢子叶球上的几种畸形现象

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