查询词典 white pine

The study is carried out that the comparison of fine root production, decomposition and distribution along with Korean pine and broad-leaved climax forest succession; the fine root contribution to the belowground C and N storage along with Korean pine and broad-leaved climax forest succession; and the comparison of belowground C and N storage among the Korean pine and broad-leaved climax forest, three dark-conifer forests, a betula ermanii forest along altitude.

研究内容包括：原始阔叶红松林及其不同演替阶段的次生林中细根的生长和周转、分解与分布的特征，阐明在不同演替阶段细根的变化；原始阔叶红松林及其不同演替阶段的次生林中细根对根系、土壤和林地地下的碳、氮贮量的影响，分析在不同演替阶段细根周转对地下碳、氮贮量的贡献；以及对不同垂直海拔高度分布的不同类型的原始森林中细根和根系生物量的变化，及细根对根系、土壤和林地地下碳、氮贮量的贡献进行了研究。

To validate heat treatment requirement of ISPM 15 to disinfestation of Pine wood nematode in wood packaging material,lumber and block made from Masson Pine with different moisture content,which was naturally infested with Pine wood nematode and sawed to 3 kinds of size,was heat treated under the hot air with the temperature rang of 65~85℃ and Relative Humidity of 50%~90% to reach the core temperature of 56℃ and more than 30min duration.

使用温度为65～85℃、相对湿度50%～90%的热空气，对不同规格和含水率的携带松材线虫的马尾松木板进行热处理验证试验，结果显示，当木材中心温度达到56℃并持续30min以上，10cm×10cm×10cm木块、5cm厚度木板以及高含水率10cm厚度木板中线虫死亡几率值达到9的要求，验证了国际植物检疫措施标准第15号所推荐的热处理技术指标对杀灭松材线虫的有效性。

Pine wilt disease is one of the most important pine tree diseases, and its causal agent is Bursaphelenchus xylophilus, which is a great threat to the pine forestry in many countries such as China Japan, Korea, the US, Canada, Mexico, and Nigeria, etc. It is one of the most important quarantine organisms, and also listed on A2 in China, which lead to imponderable loss every year.

松材线虫病是一种重要的林业病害，向来有"松树的癌症"的称号，对松树的危害十分严重，它的病原是松材线虫，它是包括日、韩、美、加拿大、墨西哥、尼日利亚和我国等许多国家重要的林业病害，也是许多国家的检疫对象，在我国属于二级检疫危害生物，造成的损失难于估计。

Pine nut is a gourmet nontimber forest product.There are more than 30 species pine can produce the edible pine nut in the world.

松籽是一种美味的非木质林产品，全球有30多个松属物种可以生产可食用松籽，但目前只有5个物种的松籽被用于商业生产。

When dry distillation of distillates by condensation, the liquid product of clarification, it is submerged in the lower pine root oil, pine root oil and then use the same method can be obtained for further processing pine tar.

干馏时的馏出物经冷凝后，液体产物澄清时，沉在下层的是松根油，再将松根油用同样方法进一步加工可制得松焦油。

Pine finger-puzzle are in addition to the natural pine inherent defects and then through the finger-puzzle from the timber, so that settled in areas such as furniture decoration at a large area when the use of pine Reclaimer difficult problem for the vast number of customers in the production of substantial savings of time and raw materials.

松木指接拼板是除天然松木所固有的缺陷后再通过指接拼板而成的集成材，这样解决了家具装修等领域在大面积使用松木时取料难的问题，为广大客户在生产中节约大量的时间与原材料。

Based on the test of slash pine,this paper studied the radial and longitudinalvariation law of the wood properties,furthermore,this paper also dealt with theeffect of two silvicultural measures on the physical and mechanical properties ofthe slash pine.The research result was used to provide the scientific theoreticalbasis for the reasonable exploitation and directive breeding of the slash pine.

本文以人工林湿地松为试验材料，详细研究了湿地松各材性指标的径向和纵向变异规律，并在此基础上，深入研究间伐处理、种植密度处理两种培育措施对人工林湿地松物理、力学性能的影响规律，为人工林湿地松的合理利用和定向培育提供科学的理论依据。

In comparison with slash pine, which was introduced earlier from abroad, and the native mason pine, the five-year-old loblolly pine families, which was introduced into Fujian Province, were evaluated.

火炬松原产美国东南部，是美国南方松类中极重要的速生建筑和纸浆用材树种，因其具备早期速生、适应性强等优良性状而被许多国家和地区广泛引种，作为工业原料林和用材林树种[1，2]。

Taishan different song patterns; such as Pine Mountain Yingke; sister of trees such as pine are grown in here; Taishan Taishan Stone Pine and together may constitute a unique landscape park; sincerely welcome the Agency's major gardens come to order.

泰山松形态各异；如泰山迎客松；姊妹松等名树均生长在此地；泰山松与泰山石放在一起可以构成一座公园的独特风景；真诚欢迎各大园林工程处前来订购。

In order to clearly understand the dynamics mechanism about broad-leaved Korean pine forest and simulate its dynamics mechanically, a simulation model is demanded through which we can simulate the long-term dynamics of BKPF under different pine cones picking intensity and hunting for grey squirrels in different intervals. By considering the effective dispersal of seeds by animals, the human disturbance and the masting behavior of Korean pine, a new gap model integrated seed-bank and regeneration dynamic model, based on the classical gap model, is established.

为了能够充分理解阔叶红松林的动态机制，准确模拟东北阔叶红松林的动态变化，探索出既能够保护好又能够利用好阔叶红松林的新途径，根据阔叶红松林的动态机制，在经典林隙模型的基础上，添加考虑了阔叶红松松林中动物对种子的有效传播、人工采摘干扰以及红松的结实特性，建立了红松种子库及其更新的动念模型更新子模型，使模型更能够反映阔叶红松林中的动态机制。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？