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Before GM organisms can be issued a safety certificate in China, they must first undergo lab tests before moving on to small-scale field tests and finally to environmental release and production tests. The five-phase evaluation system is the only such system in the world, Wu Kongming, a researcher at the Chinese Academy of Engineering and a member of the country's agricultural GM safety committee, told attendees at a conference on Wednesday.

China will carry on researching and developing GM technology for staple foods [url=http://www.wholesalenhljerseyschinacheap.com/Wholesale-Anaheim-Ducks-Jerseys.html]Wholesale Anaheim Ducks Shirts[/url] , such as pest-resistant rice and drought-resistant wheat, while working to industrialize the cultivation of non-food crops such as pest-resistant cotton and corn during the 13th Five-Year Plan (2016-20), Liao Xiyuan, a senior official at the Ministry of Agriculture, said at the conference.

Liao added that China has made remarkable progress in the GM plants industry with a total of 1 [url=http://www.wholesalenhljerseyschinacheap.com/Wholesale-Vegas-Golden-Knights-Jerseys.html]Wholesale Vegas Golden Knights Hoodies[/url] ,036 patents in gene-cloning technology, second only to the US. The wide variety of GM crops developed by the country includes 147 kinds of cotton resistant to pests.

China's GM industry has been beset by widespread public concern that GM food may detrimentally affect people's health. In response, Wu dismissed widespread speculation that GM food causes cancer and reduces male fertility, calling such claims "groundless rumors."

China currently allows the commercial production of only one GM food crop - papayas - while other imported GM food crops, including soybeans and corn [url=http://www.wholesalenhljerseyschinacheap.com/Wholesale-Winnipeg-Jets-Jerseys.html]Wholesale Winnipeg Jets Hoodies[/url] , are used only as raw materials, Wu said.

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The MCCB tester is a programmable [url=http://www.wholesalenhljerseyschinacheap.com/Wholesale-Tampa-Bay-Lightning-Jerseys.html]Wholesale Tampa Bay Lightning Hoodies[/url] , high-current source designed specifically for testing molded-case circuit breakers as well as thermal, magnetic, or solid-state overload motor-protection relays.

MCCB Timer

The tester built-in timer can test the time-delay characteristics of protection relays and molded-case circuit breakers. Once the test is initiated, the current source and the timer are automatically turned on at the next zero-crossing point of the AC. The timer stops when the device input detects a change in the dry contact or voltage input, or detects the removal of the test current. The test results are then displayed in milliseconds and fractions of a cycle(s) on the unit’s back-lit LCD screen (20 characters by 4 lines).

MCCB-250 Current Source

The device has 4 current-source outputs (5 A @ 120 Vac [url=http://www.wholesalenhljerseyschinacheap.com/Wholesale-St-Louis-Blues-Jerseys.html]Wholesale St. Louis Blues Hoodies[/url] , 25 A @ 24 Vac, 120 A @ 6 Vac, 250 A @ 3 Vac) that conduct the test current through the high-impedance load circuits. Each current source can tolerate short-duration over-loads up to 4 times the rated current. This feature is used for testing the instantaneous trip element of molded-case circuit breakers. When using this feature, the selected test current is displayed on the LCD screen. When it is used as a current source, the current-flow time (the current-on period) is displayed on the LCD screen.

External Current Input

This device also provides an external current input (0 – 10 A). Both internal and external current source readings can be viewed at the same time.

AC Current source

The tester provides five AC current outputs (items 1 [url=http://www.wholesalenhljerseyschinacheap.com/Wholesale-San-Jose-Sharks-Jerseys.html]Wholesale San Jose Sharks Hoodies[/url] , 2, 3, 4, and 5 in Figure 1). AC test current is set by the current control knob. This test current is measured and displayed on the LCD screen. The device’s output current ratings are shown in Table 3 and Table 4 below.

Table 3. Current Output

CURRENT OUTPUT
120 Vac @ 5 A
24 Vac @ 25 A
6 Vac @ 120 A
3 Vac @ 250 A

Table 4 . Overload Current Output

CURRENT - ON TIME - OFF TIME
100%(1x) - 30 Minutes - 30 Minutes
200%(2x) - 3 Minutes - 5 Minutes
300%(3x) - 30 Seconds - 4 Minutes
400%(4x) - 4 Seconds - 7 Minutes

Current Output Control

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