采用自同步定向激振理论设计，将重力自溜与振动出矿融为一体的YZZ型振动助流器，具有分节组合、大倾角、无侧板的结构特点。
YZZ vibration flow aiding machine is a newly developed ore drawing device, which is devised on the basis of the theory of autogenuous synchronization and directional vibro excitation.
所谓无接触粘着仅在一定条件下发生于亲水矿粒-气泡体系；无接触粘着对浮选过程的正常进行有害。
The so called contactless attachment happens just in case of hydrophilic particle-bubble system in proper conditions and is harmful to normal flotation.
区内沉积岩和花岗岩磁性微弱或无磁性，与硼矿密切相关的矽卡岩及硼矿石中磁铁矿含量较高。
The sedimentary rocks and granite in the region are of very weak or no magnetism, while the boron ore and skarn with close relation to boron mineralization are of quite high content of magnetite.
灌水对土壤矿质氮、有机质和全氮含量无显著影响，但有利于土壤有机氮的矿化。
Also, irrigation had no obvious effect on the contents of mineral n, organic matter and total n, but it was beneficial to the mineralization of organic n.
通过焦家深部金矿床和浅部金矿床对比研究，揭示了新的金矿成矿规律：浅部金矿床和深部金矿床之间为无矿间隔或弱矿化带；
Some new gold metallogenic law be revealed by comparative study for shallow and deep gold deposits. There is ore-free interval or weak mineralized zone between shallow and deep gold deposit.
前言：目的：探讨无填料树脂预防釉质脱矿的作用，为临床应用提供实验依据。
Objective: To study the effect of resin without stuffing on preventing the enamel from demineralization for clinical application.
大参数多分段并行无贫化放矿的无底柱分段崩落法，是当前崩落法先进理论和技术以及工艺的综合。
The big parameter and multi-subsection of sublevel caving method without sill pillow combines the Caving method with the advanced theoretic and technic.
介绍了用伯胺直接从铝土矿的硫酸浸取液中萃取分离铁生产无铁硫酸铝的工艺研究内容和结果，并介绍了工艺技术经济状况。
The technology and test results for the preparation of non-iron aluminium sulfate by primary amine extraction method are introduced. The technical and economical status of the process are also stated.
光催化技术因具有工艺简单、无二次污染、矿化彻底等优点，成为染料废水降解的有效途径。
Because photocatalysis has the advantages of simple process, no secondary pollution, and absolutely mineralization, it becomes an effective way to degradation dye wastewater.
本发明提出一种适用于从粗粒钨锡多金属硫化矿中粒浮脱硫工艺流程的无臭味捕收剂。
The invention provides a smell-less catching agent used in granular floatation sulphur removal process of coarse-grained tungsten-tin multimetal sulphuretted ore.
研究表明，造成无底柱分段崩落法来出矿石贫比大的根本原因在于采用了不合理的截止品位放矿方式，无贫化放矿是无底柱分段崩落法最为理想的放矿方式。
Research shows that main cause of ore dilution in sublevel caving mining is tlnrational cut-off grade drawing. Non-dilution ore drawing is most ideal drawing mede.
纯掘工种与纯采工种各工龄段的 工龄别尘肺患病率之间，自1970年入矿年代以后差异无显著性（P>0.05）。
There was no obvious difference in the cumulative incidence of pneumoconiosis by exposure time between pure digging and pure mining workers with the year of mine-entrance after 1970(P>0.05).
纯掘工种与纯采工种各工龄段的 工龄别尘肺患病率之间，自1970年入矿年代以后差异无显著性（P>0.05）。
There was no obvious difference in the cumulative incidence of pneumoconiosis by exposure time between pure digging and pure mining workers with the year of mine-entrance after 1970(P>0.05).
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