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There was obvious improvement in the salt tolerance among the transformed plants by introduced total DNA of Rhizophora apoculata into vegetable.

已有实验结果表明,将红树DNA导入蔬菜可获得盐性明显增强的后代,表明红树基因组中存在盐基因。

Since 1992,in the Institute of Biological Science and Technology of Hainan University,the pollen tube introduction method was used to breed tomato with total DNA of Rhizophora apicularta,a salt-tolerant,seashore-grown plant.

1992年以来,海南大学生物技术研究所开始用花粉管方法将红树总DNA导入普通番茄,在海滩上用海水进行盐性筛选,首次获得了能海水浇灌的盐番茄。

Two multifunctional agent, glycidyl methacrylate and refined ricinoleic acid , were adopted to modify EPDM in situ during compounding and vulcanization process. The effects of the modifiers on vulcanization behavior, processiability, different properties of the vulcanizates were investigated.

为此,选择了含有极性基团的多官能团小分子改性剂甲基丙烯酸缩水甘油酯和精制蓖麻油酸,在橡胶混炼和硫化过程中对EPDM进行原位改性,研究了原位反应技术对过氧化物硫化EPDM橡胶的反应特性、加工性能、力学性能、热性能、老化性能、屈挠疲劳性能及与金属的粘合强度等性能的影响,并探讨了其改性的机理。

A: the bone is a purity of prion protein low glutin and the cutan formation is very solid, elastic, but not resistant to water, and argillitization will thereby lose adhesive bonding strength, rotproof weaker, temperatures and humidity large would change.

答:骨胶是一种纯度低的明胶朊蛋白质;其胶膜形成后很坚固,富有弹性,但不水,遇水后会使胶层膨胀而失去黏结强度,其腐性也较差,在温度高、湿度大时也会起变化。

Resistance, radiation resistant, excellent electrical properties, superior dimensional stability and heat sealable properties.

聚酰亚胺F46复合笔墨综合了聚酰亚胺薄膜和氟塑料的特点,高低温、辐射、电器性能优越、尺寸稳定,同时具有自粘性。

The sneakers of the transfer of Nike Sensa nike air max running shoes tion Jordan shoes get regulation according to the generation of grim reaper.

克森萨克空气最大传输的运动鞋,慢跑鞋重刑乔丹鞋获得监管根据死神的一代。

The study evaluated the influence of the two different polyol's raw material origins and the different dispersing additives in the polyurethane coatings formulations on the weathering resistance by glossmetry, spectrocolorimetry, chalking test, infrared spectroscopy etc. The influence of light stabilizer and dispersant on the degradation characteristerics of polyurethane coating has also been evaluated. Ultraviolet radiation from sunlight causes the chalking of resin and the fading of pigment by breaking down the chemical bonds in coatings.

本实验将配制成不同灰色聚氨基甲酸酯涂料配方,加入硬化剂后涂装在试片上,待自然风乾后,制成不同配方涂膜试片,进行加速风化候利睑、光泽度、分光色差、粉化、红外线光谱仪等测试,探讨不同的聚醇树脂原料来源,与不同的润湿分散添加剂种类,对於聚氨基甲酸酯涂料候性质的影响。

The result indicated that the stress cracking resistance properties of polymer alloy were greatly improved comparing to pure HDPE, and there was a strong relationship between spherulitic structure, mechanical properties and stress resistant properties.

结果表明,共混体系应力开裂性能比纯HDPE有很大提高,而且应力开裂性能与材料的强度和球晶形态密切相关,强度较大且球晶小而不规则者,其环境应力开裂性能较好。

The results of XPS show the main composition of tin sludge is stannic oxide,so is the composition of smudge.

通过对表征镀层蚀性的合金电偶电流值及酸洗时滞的测试发现,随着锡泥投入量的增加,镀层的蚀性下降,且两者之间有很好的对应关系。

Co104 (Co-based Stellite 4) for wear-resistant high performance, excellent high temperature and strong corrosion resistance.

Co104(司太立钴基4号)用于较高磨损性能,极好的高温强及腐蚀性能。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。