November 06, 2021
Strawberry in the growth process, the reasonable application of nitrogen fertilizer, can play a role in increasing production and income, but in recent years in strawberry cultivation found that with the continued heavy use of nitrogen fertilizer, nitrogen fertilizer production decreased
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November 05, 2021
Copper sulfur key stone ore flotation separation problems Cu-S, is the main principle of the separation method of the floating copper sulphide minerals pyrite suppression (suppression floating Cu S), inhibition of sulfur are: (1) Lime method is the most commonly used and most economical method. The
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November 05, 2021
(1) Discussion on the selectivity of combining copper oxide The concept of combining copper oxide was originally proposed by two scholars, the Soviet Union Raleigh-Dobrowski and Klimenko. From the perspective of beneficiation, copper oxide ore can be divided into two types, namely free copper oxid
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November 05, 2021
Siderite ore (including single and siderite and hematite, limonite Ore) Reserves Although accounting for less than 10% of the world's total proven reserves of iron ore, but it is predicted that the global iron ore resource potential , siderite accounts for about 40%. China's siderite resour
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November 05, 2021
To promptly seize the opportunity for the implementation of the National V emission standards, to expand the sales of the JAC chassis in the terminal market, and to display the new products of the Jianghuai-Hubei chassis in the terminal market, and on May 24, 2017, the chassis marketing of t
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November 04, 2021
1. What is the grinding effect of the rod mill? The grinding force of the rod mill relies on the pressure of the rod and the grinding force to grind the ore. When the rod hits the ore, the first is to break the coarse particles, and then grind the smaller ore; the rod is in contact with the rod, a
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November 04, 2021
Due to the low price of used cars, the high cost performance is loved by many people today. But now there are also many bad cars that are in trouble in the trading market, such as accident cars. So how do we buy a good used car? Today I will introduce sever
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November 04, 2021
Three-phase microcomputer relay protection tester: (1) Measurement of the power direction relay action area and sensitivity angle In the “transformation test†software module, set Uab, Ia as the rated value, set the Uab phase angle step, add and subtract the voltage phase angle, and
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November 04, 2021
Introduction: Traditional Chinese medicine ultrafine crusher consists of cylindrical crushing chamber, grinding wheel, grinding track, fan, material collection system, etc. It is a device that uses air separation, heavy pressure grinding, and shearing to achieve ultrafine crushing of dry m
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November 04, 2021
Internet of Things is the third wave of change in the development of the world information industry since the advent of the computer and the Internet. This wave has reached an unprecedented height in 2016. Experts from all walks of life have predicted that this year will become a "year of the
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November 04, 2021
First, the basic concept of temperature measurement Temperature is the physical quantity that characterizes the degree of cold and heat of an object. The temperature can only be measured indirectly through certain characteristics of the object with changes in temperature, and the scale use
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November 04, 2021
1. Quartz stone countertops are really easy to clean and clean quartz countertops in the production process, according to the "foliar effect" principle, the use of modern bionics technology, the quartz stone countertop surface for special processing, taking into account the beauty and heal
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