他把威廉姆斯博士的速生幼苗种在了里面,但没有一个茎干露出来。
He had planted Dr. Williams's quick-growing seedlings in it, but none of the stems were showing.
软木是指速生的针叶林品种,占世界木材产量的80%。
Softwoods are fast-growing coniferous species that account for 80% of the world's timber.
重点地区速生丰产用材林基地建设工程。
Fast-Growing and High-Yielding Timber Base Construction Program in Key Areas.
说明橡胶自根幼态无性系是一种速生、高产的种植材料。
This result indicates that the self-rooting juvenile-type clone of Hevea brasiliensis is a fast growing and high yielding planting material.
拟赤杨是一种生长快,干形直,用途广的优良速生阔叶树种。
Alniphyllum fortunei is a fast growing broadleaf specie, which has straight stem form and can be used for many pur-poses.
这是一种速生的树木和灌木,它的叶子和根系有助于改善土壤。
These are fast-growing trees and shrubs whose leaves and roots help improve soil.
泡桐是我国重要的速生用材树种,分布广泛,深受广大群众的喜爱。
Paulownia is an important fast-growing tree species, which is widely distributed and favored by people.
我们的竹材胶合板100%采用速生可再生的竹材制成,结构坚固。
Our bamboo plywood is made of 100% rapidly renewable bamboo, and is considered "solid" in it's construction.
尾叶桉是我国南方的一种速生丰产树种,是一种优良的造纸纤维原料。
Eucalyptus urophylla is a main kind of fast-growing wood in south China, and is a good raw material for pulping and papermaking.
介绍生产速生桐木复合拼板的可行性以及生产工艺,并分析其经济效益。
The paper introduces the feasibility and production technology on composite board splicing of fast- growing paulownia and also analyses its economic efficiency.
不同施肥区,麻栎苗木叶绿素含量在速生期时最高,到生长后期相对降低。
Moreover, chlorophyll content in which was up to the highest level at fast-growing stage, and was lower relatively at the later stage.
在我国,速生丰产林工程已经被列入我国林业重要的技术政策和产业政策。
In China, fast-growing and high-yield plantation has been figured into national important policies of technology and industry.
因此,速生期幼苗遭遇反复的干旱-复水处理会严重制约其生长潜力的发挥。
Therefore, the growth potential of seedlings would be restricted by repeated drying-wetting alternation condition at the rapid growth stage.
对帽儿山林场不同种源和不同种植条件区组下速生白桦的制浆特性进行研究。
This article is the study of the fast growth Birch's pulping characteristics from different provenance and different conditions of planting at Maoershan forestry centre.
速生期杉木针叶全钙较低,尤其是第一个生长高峰期,初期和末期较高或最高。
Total Ca in needles was lower during fast growing seasons, especially the first fast growing season, and higher or highest during bud flush or pre-dormancy.
具有育苗及造林成活率高、速生、抗性强等特性,是优良的杨树工业用材树种,特别适宜培育胶合板材。
It is a quality variety with traits of high survival rate, fast growth rate and resistance to adversity conditions, and suitable for industrial purpose, especially for plywood.
本文对速生树的碱性亚钠法制浆作了较为详细的系列研究,确定了用这种制浆法制造可漂白软浆的蒸煮条件。
This paper presents a series of detailed experiment of produced pa per pulp by alkali- salfite process from quick- growing tree, and confirms the steaming condition of produced bleached paper pulp.
通过综合指数选择法,选出了优良速生、耐寒家系和单株,并率先选择了速生、耐寒且木材品质好的优良单株。
Ultimately some elite families and trees with rapid growth, good cold tolerance and good wood properties were selected by a comprehensive index method.
通过系列化单因素试验和多因素正交试验,研究常规条件下速生杉木染色工艺及工艺参数对木材染色效果的影响。
Under conventional conditions the dyeing technology of fast growing Chinese fir was studied by a series of single factor experiments and multi factor orthogonal experiments.
目的制备由甲氧氯普胺速释层与萘普生钠缓释层组成的双层片。
OBJECTIVE to prepare bilayer tablet, which consists of a metoclopramide rapid release layer and a naproxen sodium sustained release layer.
目的制备由甲氧氯普胺速释层与萘普生钠缓释层组成的双层片。
OBJECTIVE to prepare bilayer tablet, which consists of a metoclopramide rapid release layer and a naproxen sodium sustained release layer.
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