轴根

Agrobacterium tumefaciens-mediated transformation system of Medicago truncatula cotyledonary-node explants Abstract The three-day-old seedlings of Medicago truncatula, which geminated in medium containing up to 5mg/L 6-BA, were used to prepare the cotyledonary-node explants which contained one cotyledon and 1-2mm of split hypocotyl. High-efficiency regeneration system of Medicago truncarula was developed by axillary shoot organogenesis of cotyledonary-node explants.

论文第二部分 Medicago truncatula遗传转化和植株再生体系的研究第一章根癌农杆菌介导的Medicago truncatula子叶节外植体转化系统的研究本文利用在高达5mg／L 6-BA的萌发培养基上生长3天的Medicago truncatula幼苗，制备获得由一片子叶和1-2mm切分的胚轴组成的子叶节外植体。

In the expariment,18 pieces of moist fresh humeri were used.Results Inpull and compress test,the high level of break load of BLIN was close to that ofboth-ends transverse-interlocking intramedullary nail.

采用18根湿润新鲜肱骨标本进行实验，比较分叉交锁髓内钉与其它三种内固定物固定之肱骨骨折在抗轴向拉伸及压缩、抗弯曲、抗扭转的强度和刚度等方面的差异性。

Roots are positively hydrotropic and hypocotyls negatively hydrotropic.

根主动向水而胚轴具有负向水性。

Cotyledon and hypocotyl ' s rate and quamity are the most among these explams , and callus can be obtained in 10 days by cotyledon and hypocotyl . reversely it is difficult to indue callus with root , and the callus from root is lnde and easy to become browning . the calius obtained from leaf grows very slow and does not become browning uniill in 2 or 3 months

银杏的不同器官和组织都能够诱导出愈伤组织来，其中，子叶和胚轴10d左右全部愈伤化，诱导速度和诱导率均最高，根则很难诱导，愈伤组织很少，褐化很快；叶片诱导的愈伤组织，生长慢，褐化也慢，在培养基上保持两三个月而不褐化；胚乳的诱导时间也较长，需要30d左右。

Upright stems bear sparse emergences and divide pseudomonopodially with the isotomous lateral branches.

具有根状茎，气生茎上着生有稀疏的刺状突起，假单轴分枝，侧枝等二叉分枝。

Somewhat the typical xeromophic structure of leaf became light mesophytic in nature.

污水排放不会改变土壤质地，对土壤pH、全盐量和有机质含量影响不显著；但导致根中形成层层数和木质部束数减少，而根系活力未受抑制，胚轴和茎的结构未发生变化，在一定程度上却使叶片典型的早生性质变得不强烈。

METHODS: The spiral modiolar artery in guinea pig cochlea was exposed by microsurgery, then the fluorogold or horseradish peroxidase was given around the SMA for retrograde tracing.

在正常豚鼠单侧耳蜗螺旋蜗轴动脉局部滴加逆行追踪剂辣根过氧化物酶或荧光金，观察双侧交感颈上神经节、星状神经节内HRP或FG逆标神经元的分布；采用逆标与免疫组化相结合的双重标记方法观察追踪阳性神经元是否表达酪氨酸羟化酶、神经肽Y、钙基因相关肽或P物质。

Methods: the spiral modiolar artery in guinea pig cochlea was exposed by microsurgery, then the fluorogold or horseradish peroxidase was given around the sma for retrograde tracing. the bilateral superior cervical ganglia and stellate ganglia were observed to find retrogradely labeled neurons. the neurotransmitters of these sympathetic fibers around sma were ascertained by using retrograde tracing combined with immunohistochemical double labeled technique.

在正常豚鼠单侧耳蜗螺旋蜗轴动脉局部滴加逆行追踪剂辣根过氧化物酶或荧光金，观察双侧交感颈上神经节、星状神经节内hrp或fg逆标神经元的分布；采用逆标与免疫组化相结合的双重标记方法观察追踪阳性神经元是否表达酪氨酸羟化酶、神经肽y、钙基因相关肽或p物质。

Herbs perennial, rhizomatous, monopodial.

多年生草本，根状茎，单轴分枝。

With the HRP orthograde tracing technique and transmitted electron microscope,the effect of CNG on the optic nerve was observed by the changes of axonal transport and ultrastructure of optic nerve.

用辣根过氧化物酶(horserdish peroxidase，HRP)组织化学染色法和透射电镜技术观察CNG对急性高眼压视神经顺行轴浆运输和超微结构的影响，定量分析CNG的药物疗效。

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。