本论文以落叶松单宁为原料研制含阴、阳离子基团的落叶松单宁两性水处理剂。
Preparation of larch extract tannin amphoteric water treatment agent has anionic and cationic group by use of larch extract tannin was studied.
这些迷路的孩子们在一些落叶下挤成一团以保持温暖。
The lost children were huddled together under some fallen leaves, keeping warm.
群落生活型谱以高位芽植物占优势(68.42%)，与其它亚热带常绿落叶阔叶林相似。
Phanerophytes (accounted for 68.42%) were dominant in the life-form spectrum, which was similar to that in subtropical evergreen and deciduous broad-leaved forest.
以蛹在向阳地的残株落叶或杂草中越冬。
It over-wintered with the pupa in fallen leaves or the weeds of ground.
以翅果油树为建群种形成的群落，是山西南部暖温带落叶阔叶林地带低山丘陵区的代表植被类型之一。
The community composed of Elaeagnus mollis as the constructive species is one of the typical vegetation types in the hills and lower-mountains of southern of Shanxi.
以改性落叶松栲胶为主料研制的高温堵水剂，适用于油田采油用高温堵水、调剖凝胶。
The high temperature plug agent made mainly from larch tannin is applied to plugging water at high temperature and adjusting section for oil extraction in oil field.
本文以长白落叶松扦插及扦插苗移栽试验为基础，对大量的影响因素进行了系统研究。
On the basis of experiments of the cuttage propagation and cuttings transplanting of Larix olgensis, a lot of factors which affect the cuttings have been systematically studied.
灯蛾空间分布的种类，以热带山地雨林最多，而数量则是热带半落叶季雨林最多。
In the spatial distribution of Arctiidae, the species occur in maximal quantities in tropical mountain rain forests but the peaks appear in tropical semideciduous monsoon.
浙江仙居俞坑森林群落植物种类丰富，优势种不明显，群落中植物种类以常绿阔叶树种为主，落叶阔叶成分也有一定比例。
The Yukeng forest community in Xianju County of Zhejiang Province has abundance of plant species, of which the dominant population is not so clearly classified.
红斑型及落叶型的荧光以表皮浅层最为明显。
The fluorescence of erythematous type and foliaceous type was most prominent in the superficial layer of epidermis.
研究了以半漂落叶松碱性亚硫酸盐-蒽醌法（AS-AQ）浆代替针叶木漂白硫酸盐浆（NBKP）与白松酸性亚硫酸盐浆（SP）的混合长纤维浆料配抄新闻纸的情况。
Semibleached alkaline sulfite-anthraquinone larch pulp(AS-AQ)is used as a substitute for the mixed long fiber pulp of NBKP and NBSP in newsprint furnish.
1990年以来，落叶松丝角叶蜂在山西省太行山林局为害落叶松林，以幼虫取食当年嫩叶。
Since 1990, Nematus sp. has been found to damage the larch forest in the way that the larva fed on the annual leaves in Taihang Mt. Shanxi province.
枯枝落叶层的养分淋失量以全K最大，其次为有机质、全N、全P。
Thesequence of leaching loss from forest floor was K>organic C>total N>total P.
以盆栽榕树为试验材料，探讨不同贮运温度对盆栽榕树落叶及抗性生理的变化。
Potted Ficus ginseng was used to study the effects of different postharvest temperature on the changes of defoliation and stress-resistant physiology during storage and transportation.
外部的处理被功能瓦解，以砖配主要生活空间，西伯利亚落叶松盖板配主卧室，以及拉伸的钢丝配阳台。
The external treatment is broken down by the functions, with brick to main living areas, Siberian larch cladding to main bedrooms and expanded mesh to the balconies.
摘要 ：以兴安落叶松锯末为主要提取原料，柱层析为基础单元建立了花旗松素的制备工艺。
Abstract : In this study, Larix gmelini sawdust was used as raw material for the purification of taxfolin with column process as the basic unit.
摘要 ：以兴安落叶松锯末为主要提取原料，柱层析为基础单元建立了花旗松素的制备工艺。
Abstract : In this study, Larix gmelini sawdust was used as raw material for the purification of taxfolin with column process as the basic unit.
应用推荐