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Vibration processing/molding has been recently developed, in which polymer melt essentially flows or deforms under periodic stress in direct/superposed mechanical oscillation or ultrasonic vibration shear/pressure so that the flow field and some physical processes are varied.

近年来出现了振动加工成型,其实质是在机械振动、超声波的直接作用或叠加在剪切、压力流上,使聚合物熔体在周期性变化的应力下流动和变形,从而改变流场类型、强化流场强度和一些物化过程。振动会影响材料的粘度和松弛行为,所以也会影响分子扩散和剪切速率敏感的共混等过程。

In our study, we found menadione has anticancer potential on human breast adenocarcinoma MDA MB 231 by weather cell cycle arrest, anti proliferation, or apoptosis. Low concentration of menadione (5.8μM) significant inhibited growth curve on breast cancer cells (MDA MB 231) but not breast cells (MCF 10A) by performing MTT and trypan blue cell counting. RT-PCR and western blotting showed menadione increase p21 gene and protein expressions but decrease cyclin E and CDK2 protein expression resulting in cell cycle G0/G1 arrest by flow cytometry.

MTT及生长曲线的实验,发现menadione在低浓度且长时间作用情况下,对在於人类乳腺上皮细胞癌(MDA-MB 231)是有明显的抑制作用,而在正常乳腺细胞(MCF-10A)则没有影响,在分子转录上及蛋白质表现方面也发现低浓度menadione处理24时能使MDA-MB 231诱发p21基因及蛋白表现量增加及cyclin E、CDK2抑制,再经由流式细胞仪分析也发现低浓度 menadione 处理24小时能使MDA-MB 231细胞周期GO/G1比例上升,造成细胞周期停滞,进而抑制细胞生长。

In consideration of these complicated factors, Duncan—Chang model is used for the soil in this paper, and the deep excavation is modeled by using the method of coupling of multiple finite elements such that calculation results approach to actual condition. In addition, based on the theory of increment method, dynamic simulation using the finite element methods is investigated for the deep excavation.

考虑到众多复杂因素的影响,本文采用邓肯—张模型做为土的本构模型,使用该模型进行计算能够较为充分地考虑到各种复杂因素的影响,而且实际工程中对于邓肯—张模型的参数变化情况已积累了较丰富的经验:采用多种形式有限元耦合的方法对深基坑问题进行建模,从而达到使计算结果接近实际的目的。

The experiment results indicate that: the increases of catalyst concentration, feed mole ratio of methanol to formaldehyde and the decrease of total feed flow can increase the yield of methylal; the concentration of methylal in distillate also increases with the increase of catalyst concentration; that the effects of reflux ratio on the yield and concentration of methylal in distillate are different from conventional distillation process, an optimal value of reflux ratio exists between 1 and 2 for this process.

实验结果表明:回流比对甲缩醛收率和塔顶甲缩醛纯度的影响不同于一般的精馏过程,存在一个最优回流比,本过程最佳回流比在1-2之间;提高催化剂浓度,甲缩醛收率和塔顶甲缩醛纯度均增加;提高进料醇醛摩尔比也会提高甲缩醛收率;进料总流量对甲缩醛的收率的影响十分明显,进料总流量减少可以使甲缩醛的收率得到明显提高。

Demonstrate the impact of Morita therapy to get their mind on the growth of their psychology and behavior have played a certain extent.

可说明森田疗法对其的影响使其得到了心灵上的成长,对其心理和行为都起到了一定的影响。

Where the debt transferred, the concerned right of mortgage is transferred simultaneously, unless otherwise provided by law or agreed by parties. According to the word, the mortgagee and the mortgagor may agree that the mortgage of ship is not transferred with transferred prime debt. But they cannot agree that the right of mortgager is apart from the prime debt to transfer or become the right of mortgage for other debt. Where the debtor' performance ability and credit is better, as well as the debtor and the mortgagor are the same or have affiliated relation, it is possible that the right of mortgage is not transferred with transferred prime debt.

船舶抵押权人可以和抵押人约定除了"债务人不履行到期债务"以外的实现抵押权的情形,如约定当债务人有其他的违约行为或经营不善将影响到债务人的履约能力时、显著的船舶市场行情下降将影响船舶抵押权实现的额度、显著的船况下降将使船舶出现优先权和船舶留置权的可能性增加等情形出现时,船舶抵押权人可以实现债权。

Results:①In normal extracellular solution, the non-selective cholinergic agonist acetylcholine and the muscarinic agonist muscarine both caused the increace of [Ca2+]i in separately 21 out of 25 and 14 out of 18 VHCs I, while only 3 out of 20 and 2 out of 16 VHCs I had a weak increase of [Ca2+]i if investigated in calcium free extracellular solution; nicotine could increase the [Ca2+]i in 7 out of 32 VHCsⅠonly at enough high concentration(up to 10 mmol/L) in normal extracellular solution, this [Ca~(2+)]_i increase by nicotine at high concentration could not be investigated if at calcium free solution.

结果①非选择性胆碱能受体激动剂乙酰胆碱、M型胆碱能受体激动剂毒蕈碱在正常细胞外液中均可引起大部分(21/25, 14/18)单离VHCⅠ[Ca~(2+)]_i的升高,但无钙外液中ACh、muscarine仅使少部分(3/20,2/16)VHCⅠ[Ca~(2+)]_i升高且作用减弱;正常外液中,N型受体激动剂尼古丁仅在高浓度(≥10 mmol/L)时引起部分(7/32) VHCⅠ[Ca~(2+)]_i升高,在低浓度时对胞内钙离子浓度影响不明显,无钙外液中,10 mmol/L nicotine对胞内钙离子浓度影响不明显。

Make facial fatigue, eat, speak cause of temporomandibular joint and local myalgia, mouth opening when the joint will of noise, which will burden a child thinking, affecting the quality of life.

磨牙使面部过度疲劳,吃饭、说话时会引起下颌关节和局部肌肉酸痛,张口时下颌关节还会发出响声,这会使孩子有思想负担,影响生活质量。

There may be more extra-landm ark noise associated with the measurement of angle NAPg than with the other thre e angles.Since change in SNA is affected by Nasion horizontal displacement,its r epresentation of Point A displacement was questionable.

除了NAPg,其它3个角度的变化基本能反映出颌骨及牙齿在矢状方向的位置改变,但SNA角的变化在一定程度上同时受N点水平向位移的影响,使其反映A点水平向位置改变的可靠性受到影响。

Finally, the grafting polymerization of textile materials initiated by microwave low temperature plasma was conducted. Knitted cotton fabric was grafted by AMPS first, then knitted cotton and terylene/cotton fabrics were grafted with AMPS/NIPA dualistic monomers respectively. By means of grafting polymerization, the P dualisticintelligent hydrogel was added to textile.The influences of the factors on add-on, such as treatment time and power of plasma, concentrations of crosslinking agent and total monomers, proportion of AMPS, polymerizing temperature and time etc, was studied fully. The optimal conditions of grafting polymerization initiated by microwave low temperature plasma were determined by orthogonal design, variance analysis and mathematical statistics method so as to analyze the main influencing factors. Then swelling/deswelling kinetics, temperature-sensitivity and pH-sensitivity of grafted textile were studied. The performance indexes of hydrostatic pressure, moisture permeability and bursting strength of the knitted cotton and terylene/cotton fabrics before and after grafting were compared and evaluated synthetically.

此后用微波低温等离子体引发纺织材料的接枝聚合反应,分别研究了棉针织物接枝AMPS和棉、涤棉混纺针织物接枝AMPS/NIPA二元单体,使智能凝胶以接枝的方式添加到纺织材料上;详细探讨了微波低温等离子体处理功率和时间、总单体浓度、AMPS单体浓度、交联剂浓度及聚合反应温度和时间等因素对增重率的影响,通过正交设计、方差分析及数理统计对各影响因子进行分析,确定了微波低温等离子体引发接枝聚合的最佳工艺条件;对接枝纺织材料的失水-吸水动力学、温度敏感性、pH敏感性等进行了研究;对接枝前后棉、涤棉混纺针织物的静水压、透湿性和顶破强力等服用性能指标进行了对比和综合评价。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力