无根的

The effects of light, agar and carbon sources on the growth of in vitro cultured root tips of Fraxinus mandshurica were studied.

研究了光照有无、琼脂添加与否和不同碳源对离体培养的水曲柳根尖生长的影响。

Leaves opposite, sessile or petiolate; interpetiolar stipules well developed to reduced to a transverse ridge.

叶对生，无柄或具叶柄；叶柄间的托叶发育良好到一根横梁成脊状的退化至。

Leaf blade linear, less than 6 mm wide; roots more than 4 cm, fusiform thickened in middle; involucral bracts glabrous

叶片线形，不到6毫米宽；根超过4厘米，纺锤形的加厚的在中部；总苞片无毛 5 Murdannia medica 少叶水竹叶

To study furderly the activity of CNTF mutant designed by computer molecular modling,this study used the methods of dissociated cultures of chick dorsal root ganglion、TF-1 prolification and the normal mice′weight loss tests.

为了进一步研究我室应用计算机分子模拟设计并表达纯化的睫状神经营养因子突变体蛋白的生物学活性，分别采用鸡胚背根神经节无血清培养法、TF-1细胞增殖法、正常小鼠减重法对其活性进行研究。

Leaf apex rounded, obtuse, or rarely retuse.

植株丛生或者根状茎，匍匐茎无；圆锥花序开阔的的在花后 6

Herbs, perennial or rarely annual, terrestrial or epipetric, often rhizomatous, stemless or with simple or branched stems.

一年生草本，陆生的多年生草本或很少或，根状茎的通常，无茎或具单一或分枝茎。

Results. Cement augmentation of pedicle screws resulted in significantly higher failure loads (54%) and failure strength (69%) for both shaped indentors when compared with uncemented pedicle screws.

结果：经骨水泥增强的椎弓根螺钉组比无骨水泥组在负荷失败率和强度失败率方面两种形状的压配中均有显著差异。

Except vanillic acid,there were no direct relationshipsbetween phenolic acids in roots and root exudates of soybean.

除了香草酸外，大豆根中的酚酸与分泌物中的酚酸无直接关系。

Will the Doctor: I recently have felt when the right and left lower abdomen near the root of thigh pain a bit, sometimes lancinating, intermittent such circumstances, from time to time, probably from May bar.

请问医生：我最近时有感觉下腹左右两侧靠近大腿根处有点痛，有时是抽痛，这样的情况断断续续的，时有时无，大概从5月份吧。

Rhizomes without bulbils; basal leaves petiolate or sessile.

没有珠芽的根状茎；基生叶具叶柄的或无梗。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。