Mutation induced by ￣( 60) Co γ-ray BPDE in msu-1 · 1 human fibroblast at the HPRT locus

A comparative study on mutation by γ-radiation and BPDE was conducted in MSU-1 · 1 human fibroblasts at the hprt gene.

对γ射线和BPDE诱发人成纤维细胞株MSU－1·1bprt基因突变进行了比较研究。

Methods A549 cells cultured in vitro were divided into heat stress group and BPDE group.

方法体外培养的A549细胞分为高温应激组和BPDE组。

BPDM is not yet a standard.

BPDM还未成为一个标准。

The algorithm and the pattern features of BPDM model that is composed by ANN in series with degree of membership.

论文第三章介绍了水质评价BP网络-隶属度串联模型的原理、算法及其特征。

BPDM is a member of a suite of business modeling languages being developed by OMG.

BPDM是OMG所领导发展的业务建模语言套件中的一员。

Business Process Definition Meta-Model ( BPDM).

业务过程定义元模型（BPDM）。

Like BPDM, ODM is not yet a standard.

与BPDM类似，ODM也还没有成为一个标准。

Although BPDM is not new, it is still being discussed internally without an official release.

尽管BPDM不是新东西，但它依旧还处于内部讨论阶段，没有正式发布。

Mostly, BPDM should include a model for expressing business processes and a file format.

通常，BPDM应该包括表示业务过程的模型和一个文件格式。

A tree is created and maintained by the switch for every VLAN according to the mark affiliated in BPDU. It can cut down the delay from the block state to transmitting state obviously and improve the real-time characteristic in the Ethernet.

在BPDU中加入标示性能的标志，交换机根据这个标志为每个VLAN生成、维护一个稳定的树结构，使交换机端口由阻止状态到转发状态的延迟明显缩短，提高了网络的实时特性。

In the same condition, testing shows that this self-adaptive-interval sending BPDU data-package algorithm spends network bandwidth more reasonably and reduces the convergent-time more effectively.

测试表明在其他条件相同的情况下，该自适应时间间隔发送BP-DU数据包算法比定时发送BPDU数据包更合理地利用了网络带宽，更有效地减小了收敛时间。

However, according to the standard of 802.1D, it is impossible to forward BPDU segment with VLAN TAG.

然而，按照802.1D标准BPDU不带VLAN tag，而且要求所有网桥不能转发BPDU；

BPDU and network management messages are processed.

BPDU和网络管理消息仍将被处理。

The effect of E.coli endotoxin and the protective action of anisodamine ( 654-2) on the bovine pulmonary endothelial cell ( BPEC) in vitro were investigated.

作者研究了精制大肠杆菌内毒素对体外培养的小牛肺血管内皮细胞的影响及654-2的保护作用。

The cluster set generated by BPEC is proved to be a Maximum Independent Set, which can cover all network nodes.

由BPEC算法产生的簇头集合被证明是一个最大独立集，簇头集合能覆盖网络的所有节点。

Childhood is a happy period in one's life, and the world of children is a happy world.

童年时代是人生中一段幸福的时期，儿童的世界是一个幸福的世界。

Adolescence is a key period in one's life.

青春期在人的一生中至关重要。

A period in one's life which begins with his asking where he came with his asking where he came from and ends with his refusing to answer where he is going.

人生中的一个阶段，以问自己从哪里来开始，以拒绝回答自己到哪里去为止。

A man that is young in years may be old in hours if he have lost no time.

如果一个年轻人把时间都浪费掉了，那么他会在一瞬间变老。

Do we know what the biological or chemical agent is yet?

我们知道这个生物或者化学制剂是什么了 吗 ?