解堵防砂综合技术研究与应用

解堵防砂综合技术主要是针对锦州油田油井出细粉砂及泥质类物质开发研制的,在生产过程中,粘土颗粒或细粉砂与粘土颗粒混合物极易造成油井低渗、卡泵、不出液等问题,现场虽然采取了机械防砂和化学防砂措施,均未能对这类油井起到防治作用.针对这一现状,利用氟硼酸的性质和特点,开发研究出了一种新型解堵防砂综合技术,通过对油井解堵防砂后的效果对比,已证明该技术具有很好的解堵、防砂双重效果.     

开敞海域海堤设计波浪波高数值研究

由于水下地形和陆域边界的影响,近岸波浪设计要素随之变化,从而影响海堤的设计。因而海堤堤前设计波浪波高的确定对于安全、可靠、经济的海堤设计意义重大。文章以平海石井海堤为例,通过确定海域风浪条件、设计潮位与计算组合,构建研究区域数值模型,计算开敞海域波浪波高,计算成果为海堤设计提供参考。     

金属膜电阻型辐射热探测器在EAST上的应用

介绍了托卡马克实验装置(EAST)上用于绝对测量辐射功率的金属膜电阻探测器测量系统。金属膜电阻型探测器采用经典的惠斯通电桥电路结构,结合正弦波激励的载频信号放大技术,该系统实现了对强电磁干扰环境下微弱信号的测量。EAST上的辐射功率测量系统为48路测量阵列,用于测量等离子体放电过程中辐射功率的时空演化。文中给出了对探测器进行绝对标定的结果和典型的测量结果。     

淡水水产品保鲜、速冻、冷藏、加工冷冻技术

本文介绍了罗氏沼虾的加工设备及加工工艺。     

气动力深穿透增油增注技术研究与应用

锦州油田多数区块出现了胶质、沥青质、蜡质等物质析出堵塞油层现象,致使油层低渗,严重影响了油井产量。应用新型气动力深穿透增油增注技术,实现了油层深部复合解堵增油增注的目的。主要对技术原理、研制过程、室内实验和现场应用进行了综合评价,为油井解堵提供了新的思路。     

Development and Preliminary Commissioning Results of a Long Pulse 140 GHz ECRH System on EAST Tokamak(Invited)

A long pulse electron cyclotron resonance heating(ECRH)system has been developed to meet the requirements of steady-state operation for the EAST superconducting tokamak,and the first EC wave was successfully injected into plasma during the 2015 spring campaign.The system is mainly composed of four 140 GHz gyrotron systems,4 ITER-Like transmission lines,4 independent channel launchers and corresponding power supplies,a water cooling,control &inter-lock system etc.Each gyrotron is expected to deliver a maximum power of 1 MW and be operated at 100-1000 s pulse lengths.The No.1 and No.2 gyrotron systems have been installed.In the initial commissioning,a series of parameters of 1 MW 1 s,900 k W 10 s,800 k W 95 s and650 k W 753 s have been demonstrated successfully on the No.1 gyrotron system based on calorimetric dummy load measurements.Significant plasma heating and MHD instability suppression effects were observed in EAST experiments.In addition,high confinement(H-mode)discharges triggered by ECRH were obtained.     

CdTe探测器对EAST托卡马克中20–200keV硬X射线测量

介绍了EAST托卡马克装置硬X射线诊断系统。该系统由探测器阵列和电子线路组成,探测器采用水平七道的碲化镉(CdTe)探测器阵列。在EAST托卡马克装置上建立了一套较完善的硬X射线能谱诊断系统,用来测量等离子体在硬X射线辐射能段(20–200 keV)的能谱。实验结果表明,该系统能满足测量相应能量范围的等离子体硬X射线轫致辐射要求。文中给出了碲化镉探测器的标定结果及典型的放电结果。     

Measurement of Magnetic Island Width by Multi-Channel ECE Radiometer on HT-7 Tokamak

A 16-channel electron cyclotron emission (ECE) radiometer has been employed to observe the (m; n) = (2; 1) magnetic island structure on HT-7 tokamak, where m and n represent the poloidal and toroidal mode number respectively. The results indicate that the island width is about 7 cm when the magnetic island is saturated during the m=n = 2=1 mode. The location of resonance surface can be determined by plotting the contour of ECE relative fluctuation.This method could be applied to the HT-7 and EAST campaigns in the future for the research of neoclassical tearing modes (NTMs).     

婴幼儿谷类辅助食品中亚硝酸盐测定方法的改进

目的改进国标方法测定婴幼儿谷类辅助食品中亚硝酸盐含量。方法使用高峰氏Taka淀粉酶降解样品中的淀粉、蛋白质和脂肪,酶解后的样品经过滤,使用分光光度法测定亚硝酸盐含量。结果与国标方法相比,改进方法不需使用沉淀剂,过滤时间缩短,滤液澄清,方法回收率为92.7%～101.2%,相对标准偏差为0.64%～2.89%。结论经验证,改进后的方法能满足方法学要求,实验效率大大提高,可以满足产品质量控制的要求。     

矿山地质硬质合金球磨技术的研究

对矿用硬质合金的热处理和时效处理，通常采用喷砂工艺，为改善劳动环境，提出球磨处理技术取代喷砂，取得了明显的技术经济效果。