每到过年时,爸爸妈妈都要说说他们的年——rn腊月里,大人们开始准备过年的食材了,养了大半年的猪,还有平时舍不得吃的鸡,家家户户切切洗洗晒晒,准备准备,这些食材就上场了.鸡
The construction sector consumes huge quantities of raw materials and generates large amounts of waste.This is the very reason that researchers and engineer
窗外,阳光透着淡黄色的温暖,我深吸了一口气,仍旧坐立难安.rn“哎……怎么办?我除了坐位体前屈,其他项目,特别是跑步,根本不可能及格啊.”我惴惴不安地想.rn一向提倡“身体是
这是座被战火蹂躏多年的都市,损毁严重的高楼上遍布大小弹孔.幸存的人们绕过喇叭口状巨型弹坑,脸上露出极度疲惫的神情,似乎对今后的生活不再抱有希望.只有那些跟在母亲身后
Commercial utilization of a superplasticizer is always a combination of price and performance.In last decades,petroleum-based polycarboxylate superplasticiz
The objective of this paper is to examine the rheological properties of cement paste with lower water-binder ratio (W/B) of 0.25.The electrochemical techniq
In the field of concrete admixture, the polycarboxylate superplasticizer (PCE) is usually synthesized at 60-80℃.In this study, a PCE was successfully synth
Naphthalene sulfonate formaldehyde (NSF) condensate plasticizer performs negative effect on the dispersing property in cement paste containing PCE superplas
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AIM:To identify molecular markers shared across South African esophageal squamous cell carcinoma(ESCC) cell lines using cytogenetics,fluorescence in situ hybrid