Identification of?jade?we will?assist?all kinds of instruments to?measure,?but?in addition to?these scientific?instrument identification,?which?we use in our daily life?can also be?used for the identification?of jade.?Use a flashlight?to different light,?different angles?and?ways of irradiation?can identify?true and false?jadequality,?here to introduce?to you. First,?the surface?will be?flashlight?near?jade,?observe the?internal?texture?andmuddy?thickness,?if?the surface?bright flashlight?irradiation?Hetian?jade,?then there will be?light,?and the light beam?is very clear?focus.?But if the?irradiation?ismarble or?glass and quartz?rocks,?light?is?a?hybrid,?scattering.?In addition,?the flashlight?around the?jade?translation,?can?through the?uniformity of?the?light transmittance?of?jade?is uniform. Secondly,?use the?flashlight?can clearly?observe the?density?and particle size?of jade?is exquisite,?the?flashlight?alignment?side of?jade?no?leather?were irradiated,?if between?jade?a few centimeters?is a?45?angle?irradiation,?so?you can continue to?move?to?observe the flatulent structure?jade carving,exquisite degree?judging?jade . Finally,?the usual?method is to use a?flashlight?to see?jade?internal impurities and tuft split?case.?The?flashlight?alignment?jade,?see its?whether?impurities,black spots?and?lock in?the?situation,?according to the [...]

Usually?the lithium polymer battery?(Li-ion)?of the electrical core?cathode?using LiCoO2,?LiNiO2,?LiMn2O2,?where LiCoO2?is a?layer?structure is very?stable polymorph,?but when?taking?XLi from?LiCoO2,?and its structure?may change,but?not?change depending on the?size of the X. Through the study found that the?structure?performance?when X>0.5?Li1-XCoO2 is?extremely unstable,?will?crystal?collapsed,?its external?manifestation ofoverwhelming?end for?electric core.?So the?electric core?should be controlled?in Li1-XCoO2?X?by limiting the?charging voltage?in the use process,?the generalcharging voltage?is not more than 4.2V,?then X?is less than 0.5,?then the?crystal type?of Li1-XCoO2 remains?stable. Overcharge?and?over discharge,?the positive and the negative?pole?of?lithium ion battery?causing?permanent damage,?from the molecular?level,?can intuitively?understand.?Excessive?discharge?will lead to?excessive?release ofcarbon anode?of lithium ion?and the?lamellar structure?collapse,?the?lithium iontoo many hard?into the?carbon anode?structure?to?over charge,?and makessome?lithium ion?cannot?release.?The control circuit?is one of the reasons?whyare usually equipped with?a lithium [...]

The outdoor sports increasingly high demands on the lighting tool, different outdoor activities, to the outdoor flashlight requirements are also different, such as search requires high brightness, radiation far, diving needs good waterproof performance, hiking need better endurance and good floodlight etc.. Therefore we can point the following to discuss how to choose appropriate outdoor flashlight. Suitable outdoor flashlight, outdoor activities can make more safety, more wonderful. ? 1.the performance is stable enough Requirements for outdoor exercise on a lighting tool is "readily available, functional enough", lighting tools of poor reliability, unable to work at a critical moment is fatal, [...]

The first time Tank007 showed its new mini flashlight E09, people said it is?? the most mini, fashionable and beautiful flashlight. E09 is different from the flashlights in our daily life as the picture shown, it’s? beautiful, elegant and small. E09 is a led flashlight with average light and smooth appearance line. Tank007 released the inspiration of designing the E09, flashlights are always hidden in the closet, toolbox or under the bed, only be taken out when people need to use them. So, Tank007 decided to design a practical, delicate and small flashlight.

Outdoor sports classes, we can choose flashlight characteristics are not the same, generally can be the following: 1. walking on foot: do not need the brightness is too high, because of the long time, as far as possible to choose light flashlight, also have longer life time. In general, the need to take into account the spotlight with light moderate. But the team still need a flashlight higher brightness, and have a certain range, more convenient in exploring terrain. ? 2.Camping: Pan light must be better, the brightness demand is low, but the need to choose the long life time [...]

If you love sports and like to look for excitement ,then the outdoor adventure is undoubtedly a good choice. As is known to all, outdoor adventure is dangerous if you step into the unknown, you need to possess some professional knowledge, and equip some professional kits, so, how many emergency kits do you need before go outside? Here is a list of kits you may consider to carry before you do outdoor activities. 1.Hiking shoes: A pair of comfortable hiking shoes is important. Do purchase a little bigger pair of shoes (there should be some space when your foot is [...]

What role does second stage oxidation treatment play on flashlight? Generally speaking, you may hear the sales tell you that their flashlights’ shell is treated with two-stage oxidation reaction process, but why does the shell needs that ? Here this article will share you some tips. In the aluminum industry, “oxidation” is kind of a surface treatment process. Because aluminum and its alloys feature active metallic nature and unstable characteristics, the oxidation process treated on its surface is aimed to “Not easy to get rusty”, and gain a exquisite appearance. Strictly speaking, the “oxidation” has little to do with the [...]

Natural disasters occurred all around the world in recent years, the earth seems to transfer to vibration mode. People focus again on how to improve the daily disaster prevention consciousness. The earthquake happens frequently in Japan, almost every family installed emergency package with flashlights, whistle and compressed biscuits. In fact, the flashlight is a necessary tool for warning and emergency survival not only for daily life but also for field trip. set free your hand Tank007 Flashlight, shine with the big eyes, tail with 7 feet (about 18cm) was made of the silicone, soft and resilient, easy to frizzle. If [...]