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灌木

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Results showed that total vegetation coverage, herbaceous coverage, and species richness were all decreased, and perennial species gradually gave place to psammophyte annuals, shrubs, and semi-shrubs from gentle slope hilly ridge, through saline bottomland and fixed and semi-fixed dune, and to shifting and semi-shifting dune.

结果表明,从缓坡丘陵梁地,经盐化丘间低地、固定半固定沙地到流动半流动沙丘,植被总盖度、草本植物盖度、物种丰富度均呈下降趋势;植被组成中多年生草本植物逐渐减少,一年生草本植物及沙生灌木、半灌木逐渐增加。

To broaden desert shrub new utilizing fields, accelerate desert shrub developing to the direction of high added-value and high benefit, the paper studied on the liquefaction of Salix, Caragana and Poplar in the presence of Phenol under sulfuric acid catalysis. The optimum processing parameters for Salix, Caragana and Poplar liquefaction and resinification were investigated. The effect of molar ratio of formaldehyde to liquefied products and NaOH to liquefied products on the character and glue strength of liquefied products resin was studied.

摘 要:为了开辟沙生灌木资源新的应用领域,促使沙生灌木资源的利用向高附加值、高效益的方向发展,本文以苯酚作液化剂,以稀硫酸作催化剂对沙柳、柠条和杨木进行液化实验,分析了反应温度、液比、催化剂用量及液化时间对液化反应的影响;并研究了沙柳、柠条和杨木液化产物树脂化合成工艺和配方,分析了不同的甲醛与液化产物摩尔比以及氢氧化钠与液化产物摩尔比对沙柳、柠条和杨木液化产物树脂的各项性能的影响。

Trees, shrubs, or scandent shrubs, deciduous or evergreen, always unarmed.

乔木,灌木,或攀缘灌木,落叶或常绿,总是是无刺。

Trees or shrubs, occasionally scandent shrubs, with latex, sometimes spiny; monoecious or dioecious. Spines when present axillary.

乔木或灌木,偶有攀缘灌木,具乳汁,有时具刺;雌雄同株或异株当存在时的刺腋生。

Subshrubs or cushion shrubs, 10-20(-30) cm tall; branches densely straggling, divaricate, densely silvery sericeous; twigs with short hard spines.

灌木或者垫灌木,10-20(-30)厘米高;分枝浓密蔓生,极叉开,密被银色被绢毛;小枝具短硬的刺。

Herbs, shrublets, or shrubs, erect or stoloniferous.

草本,小灌木,或灌木,直立或有匍匐茎。

Plants treelike, shrubby, or subshrubby.

植株乔木状,灌木状,或者半灌木状。

Shrubs, usually aerial hemiparasites on other seed plants, often spreading along host by runners, more rarely terrestrial root-parasitic shrubs or trees, nodes not articulated, glabrous or hairy, hairs often stellate or verticillate. Leaves opposite or alternate, stipules absent; petiole often indistinct; leaf blade simple, usually pinnately veined, margin entire.

灌木,通常半寄生在其它种子植物的树上,通过匍匐茎在寄主身上延伸,很少为根寄生的地生灌木或乔木,节没有关节,无毛或有毛,通常为星状毛或具毛轮,对生叶或交替,托叶无;叶柄不明显;单叶,通常羽状脉,边缘全缘。

As I spoke,I set the KFC box on the planter beside the pathway,contriving as I did so to toss my house keys into a bush.

我一边说,一边把肯德基盒子放在路边的灌木上,设法把我家的钥匙扔进灌木丛中。

The criteria for woody ground cover plants were summarized as, low height, easy ramifying, strong adaptability, easy propagating, and good colony expressive force. There are abundant woody ground cover plants resources, including creeping shrubs, low shrubs, low bamboos and woody climbers in China, but only a few species are used in landscaping, and it is short of researches in biological characteristics and landscaping design.

木本地被植物应当具有植株低矮、易分枝、适应性强、繁殖容易、群体表现力好的特点;我国具有丰富的木本地被植物种类,可以分为匍匐灌木、低矮灌木、地被竹和木质藤本4类,但目前园林中应用的种类较少,而且对其生物学特性和配置方式缺乏研究。

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