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Unlike most of the other desert plant species, which have small leaves so as to minimize moisture loss, this plant is unique in that its leaves are particularly large; each plant's rosette of one to four leaves reaches a total diameter of up to one meter. Prof. Simcha Lev-Yadun, Prof. Gidi Ne'eman and Prof. Gadi Katzir came across this unique plant growing in the desert while studying the field area with students of the Department of Science Education-Biology of the University of Haifa-Oranim, and noticed that its leaves are unusually large and covered with a waxy cuticle.

不同于其他大多数沙漠植物,利用小的叶片来减少水分的散失,这种植物的叶片特别的大,一株沙漠大黄可以有1到4片圆盘状的叶片,直径最多可达1m,海法大学的教授Simcha Lev-Yadun、Gidi Ne'eman和Gadi Katzir在带领学生在此地作调查的时候发现了这种植物,他们发现这种植物的叶子不寻常的大,并且覆盖了以层蜡质

10 A paraffin base crude is an oil whose chief components are paraffins, and which completely distilled, leaves a solid residue of wax.

答案:石蜡质原油主要成分是石蜡,这种油被蒸馏后剩下的是蜡状物的残渣。

"Wax thermostat, glow plug, air heater, radiator cap, water temperature sensor, oil pressure siren, engine rpm sensor, oil pressure sensor, thermal switch, flame heater plug, electronic qxk start-stop control, thermostat cover and so on.

&,&蜡质调温器,电热塞,空气加热器,水箱盖,水温传感器,油压报警器,转速传感器,油压传感器,热敏开关,火焰预热塞,电动熄火控制器,节温器壳等等发动机配件。

Wax and asphalt solid precipitation in oil and gas recovering process is a problem considering very much at home and abroad in the petroleum industry.

油气开采过程中的蜡质和沥青质等固相沉积问题,是目前国内外研究的热点和难点。

Processing can be water-proof coating, white-out, silvering, calendering oil, cotton, crepe rolled, pleated crepe, breathable moisture-permeable membrane, composite, coated PVC, all kinds of styles oil wax texture texture coating, flame retardant,°, all kinds of printing, scratch scratch color dyeing, foam, hot, hot flower, flocking and other deep-processing after the treatment.

后加工可防水涂层、涂白、涂银、油面轧光、轧花、轧绉、褶绉、透气透湿皮膜、复合、涂PVC、各种风格油质感蜡质感涂层、阻燃、杜邦特富隆、各种印花、刮色刮染、发泡、烫金、烫花、植绒等后深加工处理。

Processing can be water-proof coating, white-out, silvering, pearl, oil noodle calendering, cotton, crepe rolled, pleated crepe, breathable moisture-permeable membrane, composite, coated PVC, all kinds of styles oil wax texture texture coating, PU color rubber membrane, water-resistant laminated high-pressure PVC, perspiration moisture, anti-ultraviolet, mothproof, fire-retardant, excellent adhesive force,°, all kinds of printing, scratch scratch color dyeing, foam, hot, hot flower, Flocking and other deep-processing after the treatment.

后加工可防水涂层、涂白、涂银、珠光、油面轧光、轧花、轧绉、褶绉、透气透湿皮膜、复合、涂PVC、各种风格油质感蜡质感涂层、PU色胶皮膜、高耐水压膜、压PVC、吸湿排汗、防紫外线、防蛀、阻燃、优力胶、杜邦特富隆、各种印花、刮色刮染、发泡、烫金、烫花、植绒等后深加工处理。

Treatment by different methods, samples in original state, free of wax, free of lignin and hemicellulose were obtained. Then, they were attached on the surface of new cleaved mica and measured by tapping mode AFM. It was found that the main structure of straw cell wall is composed of buddles of cellulose microfibrils, and hemicellulose links them together to form a network structure, on the surface of the network lignin aggregate together to form a protect level. The AFM result consistency very well to the theoretical model of cell wall proposed by Vincent.

在第一章中,我们选择了来源丰富的细胞壁资源小麦秸秆作为研究对象,通过选择不同的样品制备方式,分别得到了细胞壁原始状态、脱除蜡质、脱除木质素及半纤维素的样品,利用Tapping mode AFM我们观测了样品表面的精细结构,发现细胞壁中纤维素、半纤维素及木质素之间存在与理论预测基本一致的关联结构。

As a kind of material for particleboard, it's disadvantages was mach content in SiO and weater extract,but low in fiber content and natural formed wax on the surface which made it difficule to manufacture standard product by urea formaldehyde resin.

摘 要:本论文分析了麦草原料的结构,作为刨花板原料,麦草的缺点是二氧化硅的含量高,抽提物含量高,纤维细胞含量低以及表面有自然形成的蜡质,用脲醛树脂胶难以制造出合格的产品。

In this ambitious and engaging exhibition there are inlaid,-wood doors, illuminated manuscripts and waxworks imitating human flesh and flower petals.

在这次精心筹备的展览上,观者可以看到嵌入式的木门,精美的手稿,高度仿真的蜡质人体和花瓣。

The pollen grains of yew tree are directly fallen on the micropyle by wind and enter pollen chamber at the top of nucellus through pollination drops, a sugary exudation rich in nutritious materials at the micropyle.

红豆杉叶片外表面覆盖较厚的角质层和表面蜡质,具有乳头状角质钉,以及长条形或顶端分叉的角质突起。

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