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He explained that while in theory the easing of spreads from backwardation back into contango should help boost premiums, demand remains "very weak". Thus, he said offers of about $65/ton are essentially being ignored.

该台北交易商解释道,从理论上讲,铝价从倒挂转为顺价结构应该有助于铝升水报价的提高,由于需求仍旧非常疲软,因此,每吨65美元的报价基本上都没有被买家考虑。

This is the main reason for barite to increase the cement strength and reduce the weakening of late strength.

结果表明,重晶石对水化铝酸钙的晶型转变有抑制作用,这是重晶石提高铝酸盐水泥强度、减小强度倒退的主要原因。

The result showed that aluminum compounds inhibited the methane-producing activity of anaerobic granular sludge significantly,but the microbe could be acclimated to the toxicity,and the activity could be resumed when aluminum compounds are e...

结果表明,铝盐使厌氧颗粒污泥的活性明显降低,但其毒性可以驯化,且清除铝盐后厌氧颗粒污泥的活性可以恢复。

The reaction between the boron carbide and aluminum interface changes the properties of the composites during the post infiltration heat treatment.

碳化硼与铝界面的反应是热处理改变碳化硼/铝复合材料性能的基础。

Effects of calcium and silicon on detoxification of aluminum of buckwheat were studied with solution culture experiments.

研究了铝胁迫下不同水平的钙或硅对荞麦真叶期和初花期铝毒害的缓解效应。

This paper,based on analyzing the process of Cu-Al pipe butt welding, discussed the design of the executive system and control system for PLC controlled Cu-Al pipe butt welder .

在分析了铜铝管焊接工艺过程的基础上,重点论述了铜铝管对焊机执行系统和控制系统的设计。

The results were as follows:Afterthe NH_4Y zeolite was dealuminated with Oxalic acid,the conversion of pinenespeeded up markedly, but the selectivity of camphene also dropped downmarkedly.After the NH_4Y zeolite was infused in solution of Mg(NO_3)_2,Zn(NO_3)_2 or Al(NO_3)_3 to remove corresponding oxide,the conversion rate of pinenedropped down,and the selectivity of camphene had little increase.

结果表明:NH_4Y型沸石分子筛经草酸脱铝后,蒎烯转化显著加快,但莰烯的选择性也显著下降;而NH_4Y型沸石分子筛经硝酸镁、硝酸(来源:caAB3aC论文网www.abclunwen.com)锌、硝酸铝溶液浸渍来负载相应的氧化物后,蒎烯转化率有所下降,莰烯选择性稍有增加。

Objective To explore the effects of chemical reaction of aluminum salt in water solution on developmental toxicity.

目的探讨铝盐在水中发生的化学反应对铝发育毒性的影响。

The lithologies of the Al rich rocks under ultra high pressure metamorphism in central China are characterized by kyanite topaz quartzite which has special mineral associations of kyanite, rich topaz,Mg rich chloritoid,coesite and diaspore.

我国中部在超高压条件下形成的高铝质变质岩石,以蓝晶黄玉石英岩为特征,具有以蓝晶石、富水黄玉、富镁硬绿泥石、柯石英、硬水铝石等为代表的高压-超高压变质矿物,矿物组合主要为蓝晶石+黄玉+石英、蓝晶石+蓝刚玉±富镁硬绿泥石等。

In addition business card printing and membership card before the spray Al paper store, stack height knife; two pallets, spray Al paper store, face down the so-called eyes up to the sky, so as to prevent paper conglutinate or surface damage.

另边制卡和会员卡制作后的喷铝纸保存时,堆叠矮度答刀;于两个货不活,卷筒喷铝纸保存时,端背早下,以避免引起纸张的粘连或暗不天保养题目。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。