某工程地下室基础砼工程量达 1 80 0m3左右 ,且根据抗渗要求 ,需一次性浇筑 ,不留施工缝。其中承台梁高 2米 ,底板平面尺寸长 41 .43米 ,宽 2 4 .63米 ,厚 1 .40m ,砼浇筑量
Single phase of Ba1-xMgAl10O17:xEu2+ (0.02≤x≤0.14) phosphors was first successfully prepared by co-precipitation in aqueous medium with a 'reverse strike&
本文探讨了立窑水泥企业采用高硅酸率配料煅烧高强熟料的技术措施及水泥粉磨工艺综合改造方案。立窑水泥实物质量逐步适应通用水泥新国标及胶砂强度检验方法（ＩＳＯ法），需要做大量基础
简单介绍了桩基础的分类，就目前应用比较广泛的几种桩的特点，对它们进行比较，分析了各种桩适应地及工程类别。
The unit cell of lanthanum chromate was constructed by calculating equivalent points. By means of calculation of the hole octahedrally surrounded by O2- ions, i
目的:鉴别木香、川木香、土木香。方法:采用 HPLC 法,Krosmasil C18柱（250 mm ×4.6 mm,5μm）,甲醇-水梯度洗脱,检测波长为254 nm,流速为1 mL·min-1,柱温为 30℃。结果:在选定
探讨了倒置式屋面的结构特点,并与传统屋面相比较,显示其优越性,提出了倒置式屋面防水施工中应注意的关键问题,指出了解决问题的办法.
A kind of sulphide, CaS:Eu2+, activated by europium ion for white LED lighting was synthesized via solid-state reaction route in reducing atmospheres. The phosp
YbAl3(BO3)4 crystal of good optical quality was grown by the flux method. The structure of YbAl3(BO3)4 crystal was determined by single-crystal X-ray diffractio
对沥青水基层材料沥青处治碎石进行分析，通过马歇尔试验和空隙率测定试验确定沥青处治碎石透水基层材料的沥青用量和集料级配。