منابع مشابه
A mathematical analysis of milling mechanics in a planetary ball mill
A detailed mathematical analysis is presented to advance the current understanding of the mechanics of milling operation in a planetary ball mill in terms of a global Cartesian reference space. The ab initio calculations have identified the role of milling parameters in determining the condition of detachment of the ball from the vial wall. The condition of an ‘effective’ impact has been identi...
متن کاملStudy on the Thermal Conductivity Characteristics of Graphene Prepared by the Planetary Ball Mill
This study was designed to examine the physical disintegration of graphene (GN), an excellent heat conductor, by using the planetary ball mill, a simple and convenient means to produce particles arbitrarily. The conditions for the disintegration of GN were distinguished by the rotation of the planetary ball mill (200 rpm, 400 rpm, and 600 rpm) and by the duration of its operation (30 min, 60 mi...
متن کاملRapid synthesis of nucleotide pyrophosphate linkages in a ball mill.
Using a ball mill, rapid, atom-economic coupling between adenosine-5'-phosphoromorpholidate and phosphorylated ribose derivatives as their sodium or barium salts was achieved. Facile purification by reversed-phase HPLC enabled product isolation within hours.
متن کاملInvestigating the Dynamics of a Ball-Spring Autobalancer in a Rotor with Non-Linear Bearings
Although the traditional automatic ball balancer (ABB) has numerous advantages, it has two major deficiencies, i.e., it has a limited balance stable region and it increases the vibration amplitude of the rotor at transient state. These deficiencies limit the applicability of ABBs. In this regard, a new type of ABB called “the Ball-spring autobalancer” has been proposed to resolve the mentioned ...
متن کاملA method to determine the ball filling, in Miduk copper concentrator SAG mill
The aim of this research work was to investigate on the ball filling estimation of Miduk semi-autogenous (SAG) Mill via an utilized method. Miduk copper concentrator is located in Kerman Province, Iran, and its size reduction stage includes one gyratory crusher which feeds one SAG mill (9.75 dia.(m)*3.88 length(m)) following two parallel ball mills (5dia.(m)*7lenght(m)). After SAG mill, a tromm...
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ژورنال
عنوان ژورنال: KONA Powder and Particle Journal
سال: 1995
ISSN: 0288-4534,2187-5537
DOI: 10.14356/kona.1995019