查询词典 latency time

The early affective priming ERPs effect was characterized by a longer P2 peak latency and decreased P2 peak amplitude for control condition as compared to primed and unprimed conditions; the late affective priming ERPs effect consisted of a shorter P3 latency and attenuated P3 peak amplitude for primed condition as compared to unprimed condition.

5在阈下启动任务中，对于P2、P3成分的潜伏期与波幅，述情障碍组与非述情障碍组之间均不存在显著差异；在阈上启动任务的两个SOA水平中，述情障碍组的P2成分和P3成分波幅均显著小于非述情障碍组的波幅。

For the model with exponent input, the endemic equilibrium is locally asymptotically stable when the period of latency is small enough; the endemic equilibrium is unstable when the period of latency is large enough.

对于带有指数输入的情形，发现地方病平衡点当潜伏期充分小时是局部渐近稳定的，当潜伏期充分大时是不稳定的。

The threshold of VEMP was used to determine pressure or sound sensitive vertigo; the abnormal inter-aural latency was seen mainly in the cerebellopontine angle occupying disorders; the anormal amplitude and latency had no specificity and appeared in disorders involved the pathway of inferior vestibular nerve.

VEMP的阈值检查主要用于压力或声音敏感性眩晕；耳间潜伏期的异常主要见于桥-小脑角占位病变；振幅和潜伏期的异常一般没有特异性，可见于累及前庭下神经的病变。

Results SEP:The latency of P 60 was found to be significantly increased in the encephalopathic patients compared with type Ⅱ respiratory failure,there were no difference in other latency of wave.

结果 体表感觉诱发电位除P60 潜伏期肺脑组与Ⅱ型呼衰组有显著性差异外，其余各波潜伏期肺脑组与Ⅱ型呼衰组组间差异无显著性。

Majority of acute leukemias in infant, either acute lymphoblastic leukemia or acute myeloblastic leukemia, posses a chromosomal translocation affecting the 11q23 chromosome region which specifically inoles the mixed-lineage leukemia gene.1-3 Most pediatric leukemias with MLL rearrangement clearly hae a remarkably short latency.1,4 MLL gene rearrangement is also associated with secondary leukemias of patients preiously treated with the topoisomerase II inhibitors.4 The latency of these secondary leukemias is similarly ery short.4 Of note, the concordance rate of leukemia with MLL rearrangement in infant monozygotic twins approximates to 100%,1,4 and identical breakpoint in the MLL gene was shared in these pairs of identical twin infants with concordant ALL.1,4 Moreoer, the unique and clonotypic MLL fusion gene was detectable in neonatal blood spots for Guthrie cards from non-twined indiiduals who subsequently deeloped ALL.1,4 These obserations indicate not only that MLL fusion is generated in utero but also that MLL fusion proteins could be capable of inducing leukemic transformation with few, if any, secondary mutations.2,3,4 Greaes et al speculate that an MLL fusion protein somehow promotes rapid transition to full-blown disease in patients ia ery rapid clonal expansion, genetic instability, or inhibition of DNA damage repair.4 In general, for clonal expansion of malignancies, tumor cells often hae acquired strategies that escape immune sureillance of the hosts.5,6 Immune escape mechanisms also contribute to the failure of graft-ersus-leukemia effect after allogeneic hematopoietic stem cell transplantation.7 Therefore, leukemia cells could acquire some immune escape mechanisms during leukemogenesis.

绪论 绝大多数的婴儿白血病，不管是急性淋巴性白血病或是急性骨髓性白血病，在染色体11q23部位有染色体易位的情况；这个部位的染色体易位牵连了混合谱系白血病基因。大多数具有MLL基因重排的儿童白血病潜伏期明显短很多。MLL基因重排也和经拓扑异构酶II抑制剂治疗后的继发性白血病有关。这些继发性白血病的潜伏期类似地都非常的短。很重要的是，单卵双胞胎婴儿同时患有或同时免于MLL基因重排阳性的白血病的一致性接近100%；并且同样患有ALL的同卵双胞胎的MLL基因的断裂点是一致的。而且，这种独特的克隆特异性的MLL融合基因能够从那些得ALL的非双生个体出生时的血斑标本中检测到。这些发现表明MLL融合基因产生在胎儿还在子宫的是后，而且MLL融合蛋白能过和其他的基因突变一起诱导白血病的产生。Greaes 等推测MLL融合蛋白在某种情况下同过快速克隆增殖，遗传的不稳定性或是DNA损伤修复的抑制促使疾病迅速地全面爆发。恶性肿瘤细胞的克隆增殖通常已经获得了逃避机体免疫监视的能力。免疫逃避机制也归因于异体外周血干细胞移植后移植物抗白血病作用的失效。所以，白血病细胞在白血病的产生过程中可能获得了某些免疫逃脱机制。

As a whole the effective assess ment index of intraoperational monitor had been established, providing reference for the lumbar spondylolisthesis surgery.Taking the SEP index value of postanesthetic patients before operation as the standard, the changes of intraoperational potential may indicate the following status: The latency period decreasing in 10%-15% or the amplitudes increasing in 40% indicated that the outlook of recovery was good enough and the prognosis was favoured.The latency period decreasing in less than 10% or the amplitudes increasing in less than 30% indicated that part of the function could be reduced.

以患者术前以及麻醉后的SEP指标值为基础，术中监测电位指标变化表现形式：①滑脱复位后，若潜伏期缩短10％～15％或波幅增加＞40％，提示预后良好；②监测电位指标平稳，或潜伏期缩短＜10％，或波幅增加＜30％，可继续完成复位，术后可有部分功能恢复和症状改善；③在复位过程中，监测电位指标出现暂时性波动，可在15～20min内恢复到基础电位，应在电位出现波动时停止复位，术后仍可恢复部分功能和改善症状。

Results It showed that the sensitivity for pure tone,the discrimination score for speech and cognitive function were decreased,the threshold of stapedial reflex were elevated,the percentage of recruitment ear were increased,but the interpeak latency of ABR were normal,the wave latency of P300 were prolonged,but the amplitude were diminished obviously as compared with yonger group.

结果 与青年组相比，老年人纯音听敏度减退；言语识别率下降，中枢听觉认知功能减退，镫骨肌反射阈有不同程度提高、重振耳数随耳聋加重而增多；听性脑干反应各波间期无变化；P300认知电位波潜伏期延长，波辐下降。

The thesis proposes a latency jittering adaptive controlling algorithm with the end-value forecasting function. Besides automatically adjusting the latency jittering value, the algorithm can also automatically adjust the value of TokenRate, PeakBandwidth and other QoS values.

提出了一种基于IP网络的优先级调度，自适应QoS收缩算法，自适应QoS协商机制和自适应QoS接入控制流程；基本思想是基于RSVP，在提出QoS请求时进行QoS映射，然后启动适应性函数和资源管理函数进行协商，直到获得一组在当前资源状况下最佳的QoS指标。

Therefore,high latency,large variations of latency and sudden disconnections are major problems while data packets are transmitted over wireless link.

因此，用户数据分组在无线链路上的传输具有传输时延高、传输时延变化大、链路突发中断的特点。

To investigate the effect of the latency period on osteogenesis during mandibular lengthening and discuss if the latency period is necessary.

骨愈合过程是受多种因素调节的，生长因子起重要作用。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。