即,他实际上需要吃60个鸡蛋,才能吐出100米的牵引丝。
利用原子力显微镜研究了蚕丝丝素、蜘蛛牵引丝及其内外层包卵丝的微观结构。
The microstructures of Bombyx mori fibroin and dragline, egg-case silk fibers of Araneus Ventricosus spider were studied by atomic force microscopy (AFM).
至少有三种蜘蛛能产生牵引丝;假如把这些丝结得更粗,它们就会像用于高性能飞机上的尼龙和碳纤维那样牢固。
At least three spiders produce dragline silk that, if spun into thicker strands, could be as strong as the nylon and carbon fibers used in high-performance aircraft.
罗瑟斯塔研究所的研究人员重新设计了蜘蛛运动模式,让最强韧的用来四处活动和阻挡猎物的牵引丝具有弹性和柔韧性。
Researchers at Rothamsted Research redesigned the model to allow for elasticity and flexibility in the spider's dragline, its most sturdy line of silk used for moving about and snagging prey.
为进一步探索蜘蛛丝的成丝机理,研究了不同个体大小,不同生存方式,不同环境湿度的大腹圆蛛牵引丝的拉伸性能。
The mechanical properties of the Araneus Ventrious spider dragline silks were studied at variable conditions, humidity, spider's weight, crawling way, to understand spider's spinning mechanisms.
目的克隆与原核表达“牵引丝蛋白基因”单体六聚物,为开展具有不同长度系列的“牵引丝蛋白基因”单体多聚物的功能研究奠定基础。
Objective To clone and express the hexamer of the gene of spider dragline silk protein, as a foundation of further research on the functions of the dragline silk protein gene of different lengths.
离开干燥装置8以后,丝条经由辊9 109沿下降路径被输送,最后到达下游牵引组A’的第一个辊。
On leaving the dryingmeans 8, the strips are sent on a descending path by means of rollers 9, 109and go from the last of these rollers to the first roller of the downstreampulling group A'.
通过改善密封钢丝绳的运行条件,有效地减少牵引索附加压力,减少挤压断丝和磨损,可提高钢丝绳的寿命。
Improving function condition of locked coil wire rope can decrease additive pressure effectively, reduce break wire by extrusion and wear, and increase the life of steel wire rope.
这些看上去香甜无比、丝滑顺口的甜品,犹如美食中的小精灵,几日不食,便会搅动你的味觉、牵引你的口感。
These sweet and fragrant delicious foods like pixies of delicacies that they will stir your taste and lure your mind even a temporary leave.
其生产工艺包括排丝、挤压复合、冷却定型、干燥、标识牵引以及收卷包装的过程。
The production method includes the processes of arraying filament, compound extrusion, cooling and sizing, drying, marking traction as well as taking in and packing.
均采用直丝弓矫治器矫治,应用螺旋推簧扩展间隙及上颌前方牵引。
They were all treated with straight wire appliance and helical spring to expand clearance.
摘要]目的:研究比较应用链状皮圈或镍钛弓丝在埋伏牙的正畸牵引治疗中的临床效果。
Abstract: Objective The aim of the study was to compare orthodontic traction of impacted teeth, using chain rubber ring or Ni-Ti wire respectively.
在透射电镜下观察到有细胞核膜消失,染色质变成粗颗粒状.中心粒一分为二,两中心粒之间还有纺锤丝牵引;
Under electron microscope, it was found that in some cells the nuclear membrane disappeared partly, chromatin became broadly granular and two centrioles were jointed by spindle fibers.
在透射电镜下观察到有细胞核膜消失,染色质变成粗颗粒状.中心粒一分为二,两中心粒之间还有纺锤丝牵引;
Under electron microscope, it was found that in some cells the nuclear membrane disappeared partly, chromatin became broadly granular and two centrioles were jointed by spindle fibers.
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