Many fish and marine mammals are expected to fall into deeper waters from warm surfaces, but the surrounding temperature is only a few degrees higher than the ice point, and therefore they have to face the challenge of low temperatures. They need to ensure that new generations are sufficiently active for hunting.

At cold ocean depths, a “mild hunter” is a good way of stopping the use of oxygen and thus preserving heat. Two sides have evolved into a unique ability to avoid falling physical temperature when they fall into cold deep-water hunting.

“For any fish, the fastest loss of heat is arsenic.” Mark Royer, a doctoral researcher of the Institute of Marine Biology at the University of Hawaii, United States of America, said that, because of a large number of warm blood flowers, it was “in essence like the great bulk heaters tied to the head”.

A number of fish, such as whales, are in great shape that enables them to keep temperatures while dividing. Other fish, such as tuna, marin fish and white and grey sharks, have been added to the special heat exchange system to avoid excessive body loss.

Both sides have neither these physical advantages nor the adaptive capacity, but one finds that their depth of 800 metres below the sea is fast and repeated.

In order to understand how sharks respond to temperature changes, Royer and colleagues have developed a device consisting of instruments of measuring depth, temperature, location and movement, as well as a search needles embedded in the muscle near the back, to record the core temperature of sharks. The device will break after a few weeks and float to the surface to send a signal.

Three double-hulles captured on the coast of Hawaii are embedded in this device.

In a paper published on 11 May of the Science, the Panel reported that two coconuts were dividing several times in deep water at temperatures ranging from 5 to 11 degrees Celsius, of which one shark was dividing six times in deep water at approximately 20 degrees Celsius per night, each for five to seven minutes and then floated water surface. For most of the time spent on shark submarines, temperatures remain unchanged.

According to Royer, sharks are effectively “gas” in order to maintain stability at the core temperature, without strangling or lipping in the dividing process. “If there is no water on the cassava, no body heat will be emitted.” Royer stated that “when they are close to the surface, they can slow down speed, strang up and restart breathing, because they are not as cold as the seabed.”

Mark Meekan, a fish economist at the Institute of Oceanography, University of Western Australia, said that oxygen intake was stopped in this way, indicating that double cookers could cope with a sharp drop in blood oxygen levels in the event of潜水, although their mechanisms had not yet been found.

“These may be to slow the movement of hearts and muscles, thereby slowing the entire flow of blood.” Meekan stated that the organization and blood of sharks may have moved into a unit that can accommodate more oxygen, similar to the adaptive capacity of people living in high altitudes.

At present, although the first fish is found to be capable of “gas”, the marine biologists of James Cook University, Simpfendorfer, say that other sharks or fish may have the same adaptive capacity. (Li wood)

Information on relevant papers:

https://doi.org/10.1126/science.add4445

Safer lunches:

The driver shall carry out the trip at the end of the luncheon holiday and shall carry out a full inspection of the parts of the vehicle light, braking and tires well in advance.

2 The driving trip is required to obtain advance information on the weather along the road and to avoid weather disasters such as storms, floods and landslides. Heavy rains require strict implementation of the “quick, spectacular, hypothetical” measures, driving the vehicle through a water-borne road, not blinding water, and avoiding the inundation of vehicles.

3. Strict compliance with the laws and regulations governing road traffic and the full range of persons should be kept safe; long-distance vehicles should not exceed four hours for continuous driving and not less than 20 minutes for parking.

4. During the reporting period, public security police officers throughout the country will continue to carry out specific corrective actions to detect traffic offences such as drunk driving, unlicensed, illegal carriers, overloading and fatigue driving.

5. The operation of the vehicle is carried out in rural villages and in the collectivities. When passing through mountainous or fast-paced roads, the focus should be on controlling speeds, trips, and tens of thousands of people should not be in conflict with the law of hypertension or parking, or be used to reverse the road to vehicles.

Lu Weibing, President of Xiaomi group in China and general manager of redmi brand, revealed in an interactive way with rice noodles that this year’s processor Tianji 8100 is not cheap.

It is reported that Tianji 8100 uses TSMC 5nm process, which is MediaTek’s first 5g mobile phone chip using TSMC 5nm process.

This chip is composed of four cortex A78 cores with a CPU frequency of 2.85ghz and four cortex A55 cores with a CPU frequency of 2.0GHz. The GPU is G610 MC6. The comprehensive performance of anrabbit has exceeded 820000, surpassing Xiaolong 888.

It is reported that the K50 series model of the first MediaTek Tianji 8100 chip is named redmi K50 pro.

Redpro 50

In addition to the launch of Tianji 8100, redmi K50 Pro will also adopt Samsung E4 AMOLED flexible straight screen, with a refresh rate of 120Hz and a hole digging screen.

At present, the redmi K50 series has obtained the network access license and is expected to be officially announced this week.

At the same time, the branch is also a benchmark network built by Guiyang Branch of Industrial Bank in accordance with the construction requirements of “promoting public welfare” and benefiting the people post station. Provide various convenience and benefit services for urban outdoor workers, the elderly, special groups, community residents and other groups. Especially for the people who work hard outdoors all year round, such as sanitation workers, traffic police, couriers, takeout delivery workers, taxi drivers, urban management, community volunteers and so on, try our best to provide them with daily convenient services, such as microwave hot meals, opening network toilets, providing drinking water and rest services, and try our best to build a caring bank for the people.

Since its establishment in 2012, Industrial Bank Guiyang Branch has always adhered to the business philosophy of “sincere service and accompanying growth”, kept in mind the original mission of “exploring ways for financial reform and making more contributions to economic construction”, and resonated with local development; Relying on the modern comprehensive financial group of Industrial Bank, giving full play to the advantages of “commercial bank + investment bank”, it is committed to providing comprehensive, high-quality and efficient financial services for the real economy and financial consumers in Guizhou Province, and has provided a total of more than 300 billion yuan of full caliber financing for Guizhou Province.