核型

Methods We detected c-Myc, Bcl-2 and Fas proteins and performed immunophenotyping by flow cytometry in 21 cases of CML marrows and 9 normal bone marrows.

采用流式细胞术，测定21例CML及12例正常骨髓标本单个核细胞的髓系免疫表型及三种与PCD有关的调节蛋白――c-Myc、Bcl-2、Fas的表达。

Although the weapon type remains undisclosed, Mark 15 thermonuclear bombs (commonly carried by B-47s) would have had a combined yield of 3.4 megatons.

尽管核弹头的型号不得而知，但Mark 15型热核炸弹(B-47轰炸机通常携带这种核弹)所爆发的威力应达到340万吨级。

Potato spindle tuber viroid ; hammerhead ribozyme ; cleavage activity in vitro

马铃薯纺锤形块茎类病毒；锤头型核酶；体外切割活性

Genome replication, virion secretion, and e antigen expression of naturally occurring hepatitis B virus core promoter mutants［J］.

1.3倍乙型肝炎病毒全基因真核表达载体的构建及在HepG2细胞中的表达［J］。

By incorporation of tritiated thymidine or 5-bromodeoxyuridine and using them as the markers, we found that the basal cells, Clara cells and type II alveolar epithelial cells in the pulmonary tissues may in some way behave like stem cells and can eventually differentiate into respiratory tract epithelium.

通过应用cells in induced group cultured for 2 weeks 标记的胸腺嘧啶(3H-TdR)或5-溴脱氧尿核苷的渗入进行标记，发现肺组织的基底细胞、Clara 细胞和肺泡II型上皮细胞可能具有干细胞特征，能最终分化形成气道上皮。

By incorporation of tritiated thymidine or 5-bromodeoxyuridine and using them as the markers, we found that the basal cells, Clara cells and type Ⅱ alveolar epithelial cells in the pulmonary tissues may in some way behave like stem cells and can eventually differentiate into respiratory tract epithelium.

通过应用cells in induced group cultured for 2 weeks von kossa staining）标记的胸腺嘧啶(3H-TdR或5-溴脱氧尿核苷的渗入进行标记，发现肺组织的基底细胞、clara细胞和肺泡Ⅱ型上皮细胞可能具有干细胞特征，能最终分化形成气道上皮。

In the curio-box of a Chinese emperor, there always stores a number of delicate miniature sculptures, such as cruising scholars carved on an olive nut, or paintings and calligraphy in a piece of jade.

中国皇帝的多宝格中，经常置放著一件件型微工细的雕作，或者是以橄榄核精刻乘船游江的文人雅士，或者是具体而微的玉中书画。

Observed the cleavage activity of three single and connected ribozymes on target RNA.

目的： 探讨单一及多位点核酶对乙型肝炎病毒靶RNA的切割作用。

We successfully constructed the recombinant retroviral vectors of NHE-1 specific hammerhead ribozymes and transfected them into the PASMCs in vitro.

1。本实验成功地构建了大鼠NHE-1特异性锤头型核酶的逆转录病毒载体，并成功转染入培养的PASMCs内。

AIM: To determine the cleavage activity of anti-transforming growth factor β1 hammerhead ribozymes which was inserted into U1 small nuclear RNA in cell-free system.

目的：研究抗转化生长因子β1 U1snRNA嵌合型锤头状核酶的细胞外切割活性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。