Application No.4
Name: Shearer pick surface treatment process
Public (announcement) number: CN101191230
Public (announcement) day: 2008.06.04
Main classification number: C23F17/00(2006.01)I
Application (patent) person: Li Ming
Address: 321404 Zhejiang Ruibao Specia.......
Name: Shearer pick surface treatment process
Public (announcement) number: CN101191230
Public (announcement) day: 2008.06.04
Main classification number: C23F17/00(2006.01)I
Application (patent) person: Li Ming
Address: 321404 Zhejiang Ruibao Specia.......
1 Introduction
Polycrystalline diamond (PCD) is a polycrystalline crystal obtained by mixing diamond micronized powder having a particle size of micron order with a small amount of metal powder (such as CO) and sintering at a high temperature (1400 ° C) and a high pressure (6000 MPa).......
Polycrystalline diamond (PCD) is a polycrystalline crystal obtained by mixing diamond micronized powder having a particle size of micron order with a small amount of metal powder (such as CO) and sintering at a high temperature (1400 ° C) and a high pressure (6000 MPa).......
Measuring the straightness with a spirit level is a commonly used detection method in machining. There are two common operational errors: (1) The level is not strictly along a straight line during measurement, resulting in measurement errors caused by the horizontal error of the workpiece inst.......
1. What can you do in the face of earthquake disaster?
You can do:
(1) If you are indoors, pay a.......
Green vegetables are non-polluting, high-quality, delicious, nutritious and healthy vegetables. Although herbicides as one of the pesticides are much less toxic to humans and animals than insecticides, we must not lose sight of the effects of herbicides on green vegetable production.
<.......
<.......
Ginger has different growth characteristics and characteristics of sucking fertilizer in its different growth stages. In addition to applying the base fertilizer, it should also be topdressed in stages to meet the nutrient requirements of ginger growth. Under moderate fertility conditions,.......
On July 23, Black Cyclone Investment Co., Ltd. held a newly formed cadre meeting of middle and above cadres of corporate enterprises to convey the spirit of the first half of 2008 working conference of the General Administration of the People's Republic of China. 
.......
Since we have already produced a complete post-processing template in advance, we can generate a complete machining program in one go after the tool path design is completed. There are a lot of things worth noting in the programming process. E.g:.
a. When the first four-sided mi.......
Tip: If you are using a high speed steel drill bit, you must first use a center drill. Then drill again. This ensures the correct position of the hole. If you are using a carbide drill, it is not necessary to center the drill first because the carbide drill has a self-aligning tip. If you u.......
Minhang District Committee and District Government recently announced that they will further strengthen the building of a conservation-oriented government through the eight measures and strive to save over 5% of public funds during the year and support the earthquake relief work through concret.......
First, apply more organic fertilizer, less or no nitrate fertilizer. Nitrate nitrogen fertilizers such as calcium nitrate, ammonium nitrate or potassium nitrate are highly prone to accumulate nitrate and nitrite in vegetables. Ammonium sulfate and urea can be used instead of nitrate nitrog.......