定向

The resolidified layers of directional or mat-like structures composed of g phase with good mechanical properties could be prepared by the high velocity laser resolidification of the Ti50Al50 and Ti-45Al-2Cr-2Nb alloys respectively.

在高速激光重凝等原子比 Ti50Al50和全层片 Ti-45Al-2Cr-2Nb 合金中分别获得了由定向和芦席状亚稳 g 相组成的高性能重凝层。

The ore textures consist of subhedral-euhedral granular, flame, stockwork, ringy, and oriented knotted ones.

矿石的结构：半自形-它形晶粒状结构、焰状、网状、边环状及定向斑点状结构。

Themain results are as follows:(1)The utilization-oriented silvicultureshould be regarded as a silvicultural regime or system,that can bestsatisfy the special economic,social or ecological demand for a given regionwith lowest cost and fast speed,using specifically oriented,systematic andadvanced technical measures on the basis of characteristics of tree species,natural and economic conditions and local technical and development levels.

主要研究结果如下：(1)定向培育应该做为一种森林培育制度来对待，即定向培育是根据经济、社会和生态上的特定要求，确定相应的培育目标，然后根据造林地区和造林地的条件，造林树种或树种组合的特性，以及当地经济和技术水平，采用相应专向，系统、先进、配套的培育技术体系，以可能的最低成本和最快速度，达到定向要求的一种森林培育制度。

In the present study, an omanental flower Sinningia speciosa was transformed with tMEK2 and tMEK2MUT:, the wild type and mutant type of MAPKK from tomato, by Agrobacterium tumefaciens.

用基因工程技术定向改良花卉品质，是当今花卉育种的重要内容。

Due to high-quality requirements of scientific exploration well,long open-hole,long coring footage,and frequently changing lithology,the length of inner tube shoe was increased,the surface slippy degree between core catcher and inner tube sh...

针对科学探井对岩心质量要求高及该井裸眼井段长、取心进尺长、地层岩性变化频繁、取心施工难度较大等问题，采取加长刻刀座轴向长度，增加岩心爪与刻刀座表面光滑度，优选取心钻头，调整钻井液性能和选择配伍性好的钻头与刻刀座、合理的钻进参数等措施，保证了定向取心收获率，取心累计进尺103.66 m，收获率99.85%，为科学研究提供了可靠的岩心资料。

To obtain the anti-transferrin receptor scFv and streptavidin recombinant fusion proteins which were high-efficiently and solubly expressed in E.coli.

目的：转铁蛋白受体特异性富含于血脑屏障和肿瘤细胞的表面，是当前中枢神经系统疾病和肿瘤治疗中定向转运的重要靶标。

Signal peptide sequence can convey extraneous protein to a specifical position of cell.

信号肽使外源蛋白定向运输到细胞内的特定部位。

Signal peptide sequence can convey extraneous protein to a specifical position of cell.

信号肽可使外源蛋白定向运输到细胞内的特定部位。

Methods Brain contusion area of stereostatic impact injuried adult rabbits were subjected to keep fresh seawater immerging .

采用立体定向自由落体伤模型进行持续海水浸泡作为实验组，对照组以同样的方法致伤后不进行海水浸泡。

Purpose To evaluate the effect of stereotactic radiotherapy in the treatment of brain metastasis.

目的 探讨 X线立体定向放射治疗在脑转移瘤常规放射治疗中的作用。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。