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NMDA receptor subunits express weakly at postnatal 7 days (P7),goes up at P14,reaches maximum level at P21,then remains this level until adult. Conclusion Neuronal functional NMDA receptors are composed of NMDA R1 and NMDAR2A in heteromeric configuration in the ventral horn of spinal cord;N MDA receptors may be involved in motor neuron maturation and plasticity during p ostnatal development.

NMDAR1和NMDAR2A是构成脊髓前角神经元功能性NMDA受体的重要亚基，NMDA受体可能参与生后早期运动神经元成熟或可塑性调控过程。

Results In C6 cells, Hox genes expressed in different degrees. HoxB4 did not express, and HoxB2 expressed weakly.

结果：在星形细胞瘤C6细胞中， Hox基因存在不同程度的表达，HoxB4基因无表达，HoxB2基因弱表达。

Based on a spherical shell structure and the graded finite potential well model, shifts of bound states caused by the interface effects on the binding energy level of hydrogenic impurities in a weakly-confined spherical semiconductor quantum dot heterostructures are studied.

采用球壳结构和渐变有限深谐振子势阱模型，利用镜像电荷的方法分析了不同介电常数下，界面效应对半导体量子点异质结中类氢杂质电子束缚能级的扰动情况。

However,it has been shown that these treatment regimens alone cannot inducecomplete tumor regression in weakly immunogenic tumors.

然而，对一些低免疫原性、高恶性的肿瘤，单一的免疫治疗策略并不能达到理想的抗肿瘤效果。

Identical data inequilibrium stats and similar shock-induced reacting flow fields are gained for tworeaction models when projectile velocity is 3km/s. In this case, the molar fraction ofdissociated methane is so small that the frozen flow or a very simple reaction modelcan well describe the flow field of weakly shocked methane. As projectile velocityincreases, molecular methane is readily dissociated and some stable products are formed. Only do the numerical results of the 40 reactions involving13 species approach to the corresponding experimental results.

计算表明，当飞片速度低(3km／s)时，两种反应模型给出冲击状态参数的结果基本一致，因为这时甲烷气体冲击波后的成分变化很小，说明可以用更简单的化学反应模型描述高温甲烷的化学反应过程；当飞片速度增大时，甲烷分子迅速的离解，反应产物容易形成稳定的化合物，只有13组元40反应模型的计算结果才能与实验结果接近。

And then hp version discontinuous space-time finite element methods is used for a kind of Volterra integrodifferential parabolic equation with weakly singular kernel.The uniqueness of the approximate solution of the equation and the error estimate for time in L_2 norm and space in L_2 norm is obtained.

其次利用hp间断有限元方法研究一类Volterra偏积分微分方程，证明了离散解的存在唯一性，并得到了时间L_2、空间L_2模的指数型误差估计。

Displayed similar photophysical changes in the presence of DNA. But the complex increased the viscosity of DNA weakly. This suggests that due to the constraint from the rigid structure of the macrocyclic ligand, the complex binds to DNA by weak intercalative interaction.

在光谱方面也出现了类似的现象，但DNA的粘度却略有增加，说明环上的苯环可能由于受到整个配合物结构刚性的限制，只能以较弱的插入方式与DNA作用。

Therefore,tapping potencial of remaining oil to improving oil recovery,the recognition of reservoir intraformational heterogeneity in channel sandbodies is proposed and the main targets of reservoir IOR in channel sandbodies of mature oilfields are pointed out as follows:①shutting off strongly-waterflooded intervals to control ineffective circulation of injected water;②strengthening water washing in medium-waterflooded intervals in order to achieve the aimed waterflood efficiency and even to exceed it;③enhancing injection-production consistency and injector-producer ratio of non-waterflooded or weakly-waterflooded intervals for the propose of realizing effective displacement and imporving conforma nce.

根据我国东部主力油田储层绝大多数都属于河道砂体，注水开发进入高含水阶段后，层内剩余油超过层间剩余油，层内矛盾上升为主要矛盾这一特点，从挖掘层内剩余油潜力出发，提出要重新认识河流砂体储层层内非均质性，并指出高含水期河流砂体储层改善采油目标主要有：①封堵强水洗段，控制注入水无效循环；②加大中水洗段注水冲洗强度，达到目标水驱效率，并有可能超过目标效率；③提高未、弱水洗段的注采对应程度和注采井数比，达到有效驱替，提高波及程度。

A characterization of the structure for n-ary feedforward inverse and weakly invertible finite automata with delay τ is given.

给出延迟τ步前馈逆和弱可逆有限自动机结构的一种刻划。

By rearing and observation two species firefly in the lab, it is found that the eggs of Lampyridae glow slightly and continuously in the dark environment and that the pupae can emit light weakly.

由于萤火虫的发光是一个消耗能量的化学反应过程，因而其发光在成虫之外的虫态也具有重要意义。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷