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- The library of Pima90-53 with high verticillium wilt resistance and good fiber quality, consisted of 167424 BAC clones. 两个品种BAC文库包含的克隆数分别为167424(Pima90-53)和30336(苏远7235)。
- It weren't mostly influence on boll number, single boll weigh, lint percentage and fiber quality of cotton. 对棉花品质基本没有影响。
- Some key factors effecting on fiber quality and pro-duction stablity are summarised in the practice of production. 并总结了生产实践过程中,影响细旦POY质量及生产稳定性的几个关键因素。
- During the planting for 4 years, it displayed good ecological adaptation, high output and good fiber quality. 经过4年的种植,表现出良好的生态适应性,并获得较好的产量和纤维品质。
- We will Vick excellent fiber quality, comprehensive home and abroad to meet the engineering needs. 我们将以质量优良的维克纤维,全面满足国内外工程界的需求。
- It was found that deficient or excessive soil moisture led to increase in abscission of squares and bolls and decrease in fiber quality. 研究发现,土壤水分不足或过大,均易造成蕾铃脱落增加和品质下降。
- It is proposed that the relationship between the fiber quality of raw ramie and the quality of its yarn may be expressed by the grey system. 经分析认为苎麻纤维原料品质与成纱品质指标所组成的系统为灰色系统,并对这一系统采用灰关联方法进行了分析,给出了分析过程和步骤。
- All the factors that affect fiber formation are discussed. Optimizing formation conditions and reducing disqualification products lead to a high acrylic fiber quality. 讨论了影响纤维成形的各项因素,通过优化成形条件熏降低产品废丝率,提高腈纶纤维优级品率。
- It discussed that many indexes of PET chip such as melting point, viscosity, and gelatin particle etc affected the fiber quality and spinnability of FDY. 分析了聚酯切片各项指标如:熔点、粘度、凝胶粒子含量等对涤纶FDY可纺性及丝条质量(如强度、伸度、条干均匀度等)的影响。
- This paper reviewed the progress of analy zing cotton fiber-related genes and the present status of improving cotton fiber quality by genetic engineering. 采用操作基因的 分子育种工程有望打破这类不良连锁,使棉花纤维品质与产量得以同步改良。
- The boll number of monopodium is 23.5% of cotton retaining monopodium.There is no obvious difference of fiber quality between stem of cotton retaining and removing monopodium. 叶枝铃纤维的马克隆值低于主茎铃,说明叶枝铃纤维细度较好,其它各项品质性状都不及去叶枝和留叶枝棉花主茎铃纤维。
- Effects of two components' melt index, spinning temperature, lateral blowing, drawing ratio, crimping and heat setting on fiber quality and properties are discussed. 讨论了两种切片的熔融指数、纺丝温度、侧吹风、后拉伸倍数、卷曲、松弛定型工艺对产品质量及性能的影响。
- Under the contiouous efforts of cotton breeders, cotton yield has been greatly improved, other traits such as fiber quality, anti-desease and anti-insects have also been improved. 棉花工作者长期以来面临的挑战是同步提高产量和纤维品质以满足棉花生产者和纺织工业的要求。
- Used insect resistant cotton 33B and sGK 321 as check,we studied yield and fiber quality characters,physiology and biochemical traits,agronomy traits of CCRI 45 with transgenic double genes(Bt+CpTI) cotton. 以抗虫棉33B和sGK321为对照品种,研究了双价转基因(Bt+CpTI)抗虫棉中棉所45的农艺性状、生理生化特性及产量和纤维品质特性。
- They could increase the yield of pre-frost cotton, improve the fiber quality of lint cotton in appropriate dosage and concentration, but could not increase total cotton yield and bolls. 芸苔素内酯和复硝钠在适宜的剂量和浓度下可以促进棉花吐絮,增加霜前花产量,并改善棉花纤维品质,但不能增加棉铃总数和棉花总产量。
- TCS one|step process was employed to produce 57 dtex/36f super bright triangle PET FDY. The effects of drying step, spinning temperature and velocity, quenching conditions, and thermal channel temperature on fiber quality were discussed. 用热管纺丝拉伸一步法 ( TCS)生产 5 7dtex/36f涤纶超有光三角形 F DY ,探讨切片干燥、纺丝温度、速度、冷却条件、热管温度等对产品质量的影响。
- In order to obtain accurate testing data of the fiber quality,it is suggested that the testing times for the mid harvest cotton and the blended sample by using HVI 900 should be 10 and 20,respectively. 为了使纤维品质的测试结果具有较高的精度,中期花和混合花的测试次数分别以10次和20次为宜
- N, P, K levels as cultivation factors affect on fiber quality obviously. The effect of N, P, K on fiber length was more sighificant than on fiber strength and fineness Maximum effect of the factors on fiber quality was 50% span length ( P<0.05 ) . 氮、磷、钾对纤维品质亦有显著的影响,其中对纤维长度,尤其是对50%25的跨距长度影响最大,纤维强度和细度次之。
- Fiber shapes of refined chemical pulp from softwood and hardwood were studied by the Fiber Quality Analyzer(FQA).Fiber coarseness of refined pulp and properties of handsheet were examined and tested. 利用纤维质量分析仪研究针、阔叶木浆打浆后的纤维形态,观察打浆后的纤维粗度及测定手抄片的性能。
- Being three dimensional net shaped microporous structure, the corundum filter plate comes to good filteration result and improves the melt spinnability and the fibers quality. 刚玉过滤板孔隙呈三维网状结构,过滤效果好,改善了熔体的可纺性,纤维质量得到提高。