btb

Germ cell-less ( GCL) plays an essential role in the formation of primordial germ cells. An evolutionally conserved domain, BTB/ POZ domain, was found in the GCL homologue proteins of Drosophila, zebrafish, medaka and mouse.

Germ cell-less（GCL）是与原始生殖细胞发生相关的重要因子，果蝇、斑马鱼、青鳉鱼和小鼠的GCL蛋白都含有一个进化上保守的BTB/POZ结构域。

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objective to observe and measure the morphological and functional characteristics of in vitro blood-brain barrier ( bbb) and blood-tumor barrier ( btb) models for trans-bbb/ btb drug delivery system studies.

目的构建并观测血脑/血瘤屏障体外模型的形态与功能特性，为中枢神经系统药物跨血脑和（或）血瘤屏障研究提供体外实验模型。

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Study on BTB HVDC Pole Control System

背靠背换流站极控系统的研究

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Objective To study the role of a BTB/ POZ domain protein in the expression of hsp90 α gene.

目的探讨人BTB/POZ结构域GAGA元件结合相关蛋白（GRP）在hsp90α基因表达中的作用。

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With sodium succinate as carbon source and bromothymol blue ( BTB) as pH indicator, 20 BTB agar plate positive strains were isolated, from which four of them were identified as aerobic denitrifiers.

利用琥珀酸钠作为碳源，溴百里酚蓝（BTB）作为pH指示剂，共筛选得到20株BTB琼脂平板阳性菌。通过反硝化性能测定，复筛得到4株好氧反硝化细菌。

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For the cases treated with BTB, 16 cases had excellent results, 2 good, 0 poor.

可吸收张力带治疗组：优16例，良2例，差0例；

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btb is composed by continuous tight junctions between adjacent sertoli cells at the basal compartment of the seminiferous tubule. it is an important physiological structure that can protect germ cells from autoimmune system of host and harmful molecules in blood.

血睾屏障是睾丸中用于保护生殖细胞不受自身免疫系统及血液中有害分子伤害的生理性屏障，由相邻支持细胞间连续的紧密连接组成。

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the fact that there are many btb/ kelch proteins in the human genome suggests important and various roles of such proteins.

在人类基因组中发现了很多BTB/kelch蛋白，提示这类蛋白功能的重要性和多样性。

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Objective To study the morphological characteristics of blood-tumor barrier ( BTB) model of glioma in vitro.

目的探讨胶质瘤血瘤屏障体外模型的形态学特征。

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The BTB model in vitro was established successfully. 2.

结果1、成功建立了大鼠体外BTB模型。

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HVDC System Design of BTB Project Between Northwest China and Central China

西北&华中联网背靠背直流工程一次系统设计

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BTB domain is a highly conserved domain in evolution with about 115 amino acid.

BTB结构域是在进化上高度保守的结构域，约含有115个氨基酸。

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according to the desire of btb's function, the paper realizes a pseudo-lru replacement algorithm and two-bit bimodal algorithm. the circuit has advantages in its simple structure, and small space.

针对BTB部件的功能需要，采用了随机替换算法以及两位饱和计数器算法，并给出电路实现，其电路结构简单，占用面积小。

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according the record of the branch information, btb can effectively predict the branch behavior and the target address of the latter instruction stream. compared to other routine branch prediction technologies, btb is more effective and easier to implement based on vlsi.

BTB通过对分支历史信息的记录，有效的预测后续指令流中分支的行为及其目标地址，较之其它常规分支预测技术更为有效，并利于VLSI实现。

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Study on Protection of Single Breaker in Lingbao BTB Project

灵宝背靠背工程单断路器保护研究

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aim to assess the effect of heat shock factor-1 ( hsf1) and heat shock protein 70 ( hsp70) to tachyphylaxis by bradykinin in the opening blood-tumor barrier ( btb).

目的探讨缓激肽（bradykinin，BK）开放血瘤屏障过程中，HSF1和HSP70对BK诱发快速耐受性的影响。

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According to the requirement of BTB's design, the paper adopts the symmetrical clock tree technique.

针对BTB的设计要求，确定采用树状网络分布的时钟分布技术。

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btb branch target buffer. this block is responsible for dynamic branch prediction based on the history of past branch decisions paths.

分支目标缓存器。此块基于过去分支决策路径的历史，负责动态分支预定过程。

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The DC biasing current has been calculated in detail, which will go through the converter transformer winding in BTB DC system due to unbalance firing and the second harmonic voltage of positive sequence on the AC converter bus.

根据背靠背直流系统的技术特点，详细计算了由于触发不平衡和交流系统正序二次谐波在换流变压器中产生的直流偏磁电流。

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based on our in-depth analysis of the x microprocessor structure, this thesis proposed a four-bank and four-set structure btb, comparing with multiple classical branch prediction technology.

在对X微处理器结构进行深入分析的基础上，并结合多种经典的分支预测技术，本文提出了四体、四路组相联的BTB结构。

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The pole control solution for LB BtB HVDC project has been proposed in this paper.

提出了背靠背换流站极控系统的实施方案.

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intracarotid infusion of bradykinin analog, rmp& 7, selectively increases transport of carboplatin into brain tumor, which extends the survival of patients with glioma. therefore, intracarotid infusion of bradykinin has been used to selectively open the btb for the delivery of therapeutic drugs.

经颈内动脉灌注缓激肽的类似物RMP&7能选择性的增加抗癌药顺铂到达脑肿瘤组织，有效地延长恶性胶质瘤病人的生存时间。

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btb code has the feature of prefix coding, but is superior to prefix coding on the costs of saving path information.

BTB编码具有类似于前缀编码的性质，保存了节点的路径信息，但在存储代价上明显优于前缀编码。

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dc transient overvoltage of lingbao btb hvdc converter station secondly, the transient over-voltages have been studied.

灵宝换流站直流暂态过电压研究随后，本文详细分析了暂态过电压。

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objective to investigate the effect of bradykinin ( bk) on tight junction ( tj) of the blood-tumor barrier ( btb) and interendothelial tj of capillaries in brain glioma rats.

目的研究缓激肽（BK）对脑胶质瘤大鼠血肿瘤屏障紧密连接的影响。

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in the current practical branch prediction technology, branch target buffer ( btb) is a common technique used in the branch prediction.

在目前实用化的分支预测技术中，使用分支目标缓冲器BTB来对指令分支行为进行预测是一种常用的方法。

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A gcl conserved sequence of 319 bp, which contained BTB/ POZ domain coding sequence, was isolated from Quail ( Coturnix coturnix) genome DNA using the BTB degenerated primers.

本研究应用简并PCR克隆技术，在鹌鹑（Coturnix coturnix）中扩增得到319bp的gcl基因（包含BTB/POZ结构域编码序列）保守序列。

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Advances in the Structure and Function of BTB Protein

BTB家族蛋白结构与功能的研究进展

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