Shanwei high speed railway station to downtown

1.

bus line: No.5, the whole journey is about 6.6km

1, walk about 820m from Shanwei railway station to Shanwei railway station

2, take No.5, pass 7 stops, reach Chongwen school station

3, walk about 260m to Shanwei bus terminal

2. Crack the DVD-ROM area code skillfully:

most DVD-ROM drives lock the area code. After the user purchases the DVD-ROM drive, the user is allowed to modify the area code five times. After five times, the DVD-ROM drive is locked on the last selected area code. Although the DVD disc with the area code can be read normally, the DVD disc with other area codes can no longer be read. Wan Yi said that the area code of the DVD-ROM drive you purchased has been locked. Can you make it a full area code DVD-ROM drive? Of course it's possible
1. What is area code restriction
we often hear about the limitation of area code. Its method is to lock and partition the data on DVD-ROM. therefore, any decompressed device (such as DVD-ROM drive), whether it is hardware decompressed, software decompressed or semi soft and semi hard decompressed, must be certified and authorized by CSS (content scrambling system), Only in this way can the CSS decoder be used legally on the proct. Theoretically speaking, the first zone DVD-ROM issued in the United States cannot be played on the sixth zone DVD sold in China. However, only DVD Films published by eight major film companies in the United States have such restrictions, not the original specifications of DVD. In other words, there is no regional restriction on DVD Films published by eight non American film companies, which is generally called free region code or whole region film
the six regional codes are distributed as follows (as shown in Figure 1):

region 1: the United States, Canada and the East Pacific Islands
region 2: Japan, Western Europe, northern Europe, Egypt, South Africa, Middle East
region 3: Taiwan, Hong Kong, South Korea, Thailand, Indonesia and other Southeast Asian countries
region 4: Australia, New Zealand, central and South America, South Pacific Islands
region 5: Russia, Mongolia, Indian peninsula, Central Asia, Eastern Europe, North Korea, North Africa, northwest Asia, etc
sixth area (Region6): Chinese mainland.
we usually have location code mark on the package of DVD movies. All DVD movies published in mainland China are printed with "6" or "all". The former is limited to domestic distribution, while the latter is not limited to location code, and is applicable to all DVD-ROM drives< 2. DVD-ROM drive lock code analysis
1. No lock code
some DVD-ROM drives sold in China have no area code restrictions, that is, they can be played in the whole region, such as medaviv 12 ×/ sixteen ×、 Omega 12 ×、 MSI 12 ×、 Moses 12 ×/ sixteen ×、 Zhimei 16 ×、 Changgu 16 ×、 Onda 12 ×/ sixteen ×、 Zhongji 12 × wait. Use the famous drive region info 2.1 software to detect (download address is

). If the interface as shown in Figure 2 appears, it means that it is a DVD-ROM drive without locking code. This kind of DVD-ROM drive is to play software control area code, DVD-ROM drive without any protection

2. Lock code
use drive region info 2.1 software to detect. If the interface as shown in Figure 3 appears, it means that it is a DVD-ROM drive with lock code. Under "region info", the region code setting information of this DVD-ROM drive. The first "region code:" indicates that the DVD-ROM drive has not been set with a region code, that is, no one has used the DVD-ROM drive. The second "user:" indicates that the user still has five chances to change it. The third "manufacturer" indicates that the factory still has four chances to restore it, With the factory's own program, the user can have five more modification opportunities, and the factory has only five permissions, that is to say, the user can only change the area code 25 times at most

tips: DVD discs with lock area code are protected by DVD-ROM drive area code, so it has nothing to do with the limitation of DVD playing software. However, this does not mean that if a zone 2 DVD is inserted into the DVD-ROM drive with the lock code, the DVD-ROM drive will be set to zone 2. The DVD-ROM drive will change the area code only when the DVD player software is running and the area code is set in the DVD player software. In other words, the DVD player software selects the region code, and the DVD-ROM drive is responsible for limiting and recording the number of modifications
for the locked DVD-ROM drives, only a few can not be cracked temporarily (such as Mingji dvd-1648a, Xianfeng dvd-118. Hongsheng 12) ×、 LG 16 ×， Most of them can be cracked, mainly in the following four cases:
(1) by upgrading firmware to crack
although this kind of DVD-ROM drive has locked the area code, it can be cracked by upgrading the area code to make the DVD-ROM drive become the whole area code. For example: Patriot 12 ×/ sixteen ×、 Jianxing 12 ×/ sixteen ×、 Mercedes Benz 16 ×、 Sony 12 ×/ sixteen ×、 Three emperors 12 ×、 Mingji 1640a / 1640a2, Jianji dvd-1640 Pro / dvd-1640 pro-a, Mitsubishi Diamond 1640a-032 / 1640-232 ×、 Innovation 12 ×、 Taidian 16 ×/ Champion 16 ×、 Yingqun BTC bdv-212b / BTC bdv-316b, etc
(2) crack by pressing and holding the "play" key
there are also some DVD-ROM drives that can play the discs of all regions of the world smoothly by pressing and holding the "play" key on the front panel for a few seconds. For example: Omega PDVD a148. Taidian champion II generation 16 ×、 Yuanxing 16 ×、 Asia News 16 × Wait
(3) through jumper to crack
the special one is ASUS 12 × The DVD-ROM drive can pass the factory test jumper on the left side of the rear panel, and the third group of jumpers can be short circuited to make the DVD-ROM drive become full area code
(4) when the software detects the lock code, it does not lock the code actually
some DVD-ROM drives are in the state of lock code when they are detected with drive region info version 2.1 software, but they do not lock the code actually. For example: Apache 16 ×、 Qiheng 16 × Wait
3. Soft method to crack area code protection
previously, you have already understood the protection method of DVD-ROM area code. Next, we will introce how to crack area code protection for you. For the locked DVD-ROM drive, the last three cases can be cracked according to the above instructions. In the first case, the firmware is cracked by upgrading the area code. The cracking process is similar to the refresh process described in "firmware upgrade", which will not be repeated here
tip: where can I download the cracked version of firmware
the cracked version of firmware can be downloaded from the "home of drivers" website (

), software download website, etc. Some official websites also provide cracked version of firmware to download
whether it is a DVD-ROM drive with no lock code or a lock code, as long as you insert a DVD disc with a different area code from the last time to play, you will jump out of the menu to ask if you really want to change the area code setting, and you will be informed of the remaining modification opportunities. In case there is no chance of modification, in addition to re installation, there are other ways to restore the original five modification opportunities. To modify the limitation of DVD playing software, there is a well-known foreign software dvd genie, which can be applied to most DVD playing software on the market, such as PowerDVD and windvd
DVD Genie 4.10 can be downloaded from

and the file size is only 323kb. After installing DVD genie, you can modify the area code of DVD player by running DVD genie
if you are using windvd, switch to the "windvd" tab, and then press the "reset region" button in the lower left corner to clear the area code record (as shown in Figure 4). You will have five opportunities to modify the area code again, and then click the "quit" button to leave

if you are using PowerDVD, switch to the "PowerDVD" tab, then you must first select an area code, then check the "alternate region setting" in the lower left corner, then press the "apply" button (as shown in Figure 5), and finally click the "quit" button to exit

tips: you can play DVD movies smoothly even if you bypass the lock code of DVD-ROM drive
is it necessary to upgrade firmware to play DVD movies? Of course not. I teach you a good way, that is through the zone selector 3.0 software (download address

, file size is 343kb). The method of this program is very simple. You only need to run this program after installation and when you want to watch the movie later, select the area code you want, then click the "save" button and press the down arrow at the top right to play it (as shown in Figure 6). The working principle of this program is to activate the DVD player software, and let the DVD player software mistakenly think that the region code of the DVD disc is the region code you want, so that it can play smoothly
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4. Unknown_Error

5. Referring to the design of mineral processing plant, there are many practical empirical formulas in the literature, which can be selected and calculated according to the actual situation.

6. 1. Several ball matching methods of ball mill grinding body. Whether the grinding body of ball mill is properly graded or not has a great impact on the efficiency of the mill. This paper mainly introces several ball matching methods of ball mill grinding body for reference. These principles should be followed for the grading of the grinding body: considering the particle size, hardness and proct fineness of the material to be grinded, the average ball diameter of the material to be grinded should be larger when the average strength and hardness of the material to be grinded are high or the grinding fineness is required to be coarse; The grinding body must be matched in size; Under the condition of ensuring the proct fineness, the average ball diameter should be smaller, which can increase the contact area and improve the grinding efficiency; The average ball diameter of ring flow mill is larger than that of open flow mill. Given the maximum diameter, grading number and average ball diameter of grinding body, there are several ball distribution methods from the perspective of management: (1) small at both ends, large in the middle; That is to say, on the basis of meeting the average ball diameter, the mass percentage of the ball diameter ratio at both ends of the grinding body is taken as the minimum, and the middle step diameter is taken as the maximum. Generally, the cycle load is large, and the two end ball is about 10%; The circulating load is small, 15 ~ 25% 2) Isosceles triangle distribution method; It can be assumed that the diameter of each steel ball is an arithmetic sequence with a tolerance of a, and N kinds of steel balls with di diameter and average diameter DCP are required. When matching the ball, first make a horizontal line, mark the scale value with a as the basic unit on the line, respectively draw points at the diameter Di, and then make isosceles triangle at any 2 points directly above the DCP, intersect with the points drawn before, then the length of the drawing point and the intersection point is the ratio of the required ball 3) Ball diameter fraction distribution method; The mass ratio can be calculated as follows: Qi = (1 / DI) / (1 / D1 + 1 / D2 +.... 1 / DN) × 100%, Qi is the mass percentage of a ball diameter, Di is the size of a ball diameter 4) Two graded ball method; The two graded ball method is to grade two kinds of balls with large diameter difference in a warehouse, and the large ball adopts the "two graded ball" method? The diameter of the small ball depends on the gap between the big balls, which is generally 13 ~ 33% of the diameter of the big ball. The dosage of small ball is 3 ~ 5% of the mass of large ball, and it is adjusted according to the actual proction effect. This method is not sensitive to the change of material. When the material has large particle size, high strength and poor grindability, the two-stage ball mixing method should be used.

7. 1
several ball matching methods for grinding body of ball mill
whether the grinding body of ball mill is properly graded or not has a great influence on the efficiency of ball mill. This paper mainly introces several ball matching methods for grinding body of ball mill for reference
some principles should be followed for the grading of grinding body: considering the particle size, hardness and proct fineness of the grinding material, the average strength of the ground material is large When the hardness is high or the grinding fineness is required to be coarse, the average ball diameter should be larger; The grinding body must be matched in size; Under the condition of ensuring the proct fineness, the average ball diameter should be smaller, and the contact area should be increased to improve the grinding efficiency; The average ball diameter of the ring flow mill is larger than that of the open flow mill
there are several ball matching methods from the management point of view: 1
that is to say, on the basis of meeting the average ball diameter, the mass percentage of ball diameter ratio at both ends of the grinding body grade should be taken as a small value, and that between the two ends of the grinding body grade should be taken as a large value, while the cycle load should be taken as a large value, and that at both ends of the grinding body grade should be taken as 10%
or so; (2) isosceles triangle distribution method< Suppose that the tolerance of steel ball diameter arithmetic sequence is a, and it is required to use n
kinds of diameter
Di
steel ball and average ball diameter DCP to match the ball, first make a
basic unit on the horizontal line to mark the scale value, and then draw the point DCP at di
and any
point above DCP
to make the isosceles triangle intersect with the previous drawing point, and draw the ball ratio required for the length of the drawing point and the intersection point
(3) ball diameter fraction distribution method ;
the mass ratio is calculated as follows:
Qi = (1 / DI) / (1 / D1 + 1 / D2 +.... 1 / DN) × 100% Qi
mass percentage of a ball diameter
Di
size of a ball diameter
(4) two graded ball method
there is a big difference in diameter between the two kinds of balls in the two graded ball method? The diameter of 90mm small ball depends on the gap between big balls, the diameter of big ball is
13 ~ 33% the amount of small ball is 3 ~ 5% of the mass of big ball, and it is adjusted according to the actual proction efficiency. The two methods are sensitive to the change of material. When the material has large particle size, high strength and poor grindability, the two-stage ball matching method should be used

8. Function and types of grinding body in ball mill:
the function of grinding body in ball mill is to crush the massive materials fed into the mill and grind them into fine powder. The particle size of the material just entering the mill is about 20 mm, and it will be ground into fine powder less than 0.08 mm (the sieve resie can not exceed 15%). The abrasive body has a strong impact on the just fed bulk materials (in the coarse grinding bin), with grinding as a supplement, and it is pounded. During this period, the grinding bodies collide with each other. When the mill is running, the strong sound mainly comes from the coarse grinding bin. As the particle size of the material decreases, it will flow to the next bin, and the grinding body will turn to submergence, and the sound will graally weaken. After grinding, it will be sent out of the mill. Different types and specifications of grinding bodies are in different bins< There are several kinds of ball mill:
1. Steel ball
is the most widely used grinding body of ball mill. It has point contact with materials in the grinding process and has great impact on materials. It is mainly used for the first bin (feed end, also rough grinding bin) of double bin open circuit and two bins (rough and fine grinding bin) of double bin closed circuit grinding. The diameter of the ball is Ф 15 ~ 125mm. According to the grinding process requirements, 50 ~ 110mm steel balls of various specifications are generally selected for the coarse grinding bin and 20 ~ 50mm steel balls for the fine grinding bin
2. In the fine grinding bin of the rigid section mill, the material is mainly ground. The rigid (iron) section can replace the steel ball. Its shape is short cylindrical or conical, and it has line contact with the material. The grinding effect is strong, but the impact force is small. It is suitable for the fine grinding bin
3. Rigid bar is a kind of grinding body commonly used in wet grinding
for information and knowledge about ball mill, please contact Henan Gongyi Xinxing Machinery Factory to inquire about the price of ball mill. Our company has been providing customers with high quality and efficient service. Our service is intimate, the manufacture is elaborate, the price is satisfactory, lets the customer rest assured& quot; Customer oriented;, To provide customers with overall and comprehensive services& quot; Taking service as the core;, Tailor the most valuable procts for customers& quot; Focus on quality;, Full service to customers! Gongyi Xinxing Machinery Factory

9. 1
several ball matching methods of ball mill grinding body
whether the ball mill grinding body grading is appropriate or not has a great impact on the efficiency of the mill. This paper focuses on several ball matching methods of ball mill grinding body for reference.
for the grading of grinding body, we need to follow these principles: considering the particle size, hardness and proct fineness of the grinding material, the average strength of the ground material is large, the hardness of the grinding material is small, the hardness of the grinding material is small, and the hardness of the grinding material is small When the hardness is high or the grinding fineness is required to be coarse, the average ball diameter should be larger; The grinding body must be matched in size; Under the condition of ensuring the proct fineness, the average ball diameter should be smaller, which can increase the contact area and improve the grinding efficiency; The average ball diameter of the ring flow mill is larger than that of the open flow mill.
given the maximum diameter, grading number and average ball diameter of the grinding body, there are several ball matching methods from the perspective of management:
(1) small at both ends, large in the middle
that is, on the basis of meeting the average ball diameter, the mass percentage of the ball diameter ratio at both ends of the grinding body is taken as the minimum, and the middle step diameter is taken as the maximum; (2) isosceles triangle distribution method< The diameter of each steel ball can be assumed to be an arithmetic series with a tolerance of a, and N
steel balls with a diameter of
Di
and an average diameter of DCP are required. When matching the balls, first make a horizontal line, mark the scale value on the line with a
as the basic unit, draw points at di
respectively, and then make an isosceles triangle at any point above DCP
to intersect with the previously drawn point, Then the length of the drawing point and the intersection point is the ratio of the required balls
the mass ratio can be calculated as follows:
Qi = (1 / DI) / (1 / D1 + 1 / D2 +. 1 / DN) × (4) two graded ball method; (4) two graded ball method
the two graded ball method is to use two kinds of balls with large diameter difference for grading in the first bin, and the large balls are graded by the two graded ball method? The diameter of the ball depends on the gap between the big balls, which is generally
13 ~ 33% of the diameter of the big balls. The amount of small balls is 3 ~ 5% of the mass of the big balls, and it is adjusted according to the actual proction effect. This method is not sensitive to the change of materials. When the material has large particle size, high strength and poor grindability, the two-stage ball matching method should be used