I purchased a fluval edge aquarium last month, 23 litre, I cycled the tank, added live plants and gravel, checked the ph and temp everyday for three weeks, for a week now I have had 5 neon tetra in the tank, they seem to be thriving, they have beautiful colours and are very active.
The question is I recently had a friend tell me that I was cruel for keeping them in the fluval edge, but she didn’t seem to have the knowledge to explain why…is it cruel to keep them in this tank??
It’s true that those tanks are not that great and I hope it’s not as hard to clean as it looks like it might be. This tank looks ok, it’s got good surface area, and as long as the filter is decent it should be fine.
Tanks like that are certainly not designed to support heavy life so there’s not too much else you should put in there, perhaps some ghost shrimp. with proper care and especially with live plants in there, there’s no reason the fish can’t do well.
A better buy would have been a simple 35 litre glass tank though.
Harnessing the power of water has been used for centuries for many useful purposes. Initially it was used for irrigation and operating various machines, such as windmills and dock cranes. But these days it has a more important use: as a renewable source of electricity.
So what is hydro power?
Well, basically it is the generation of electricity by using the natural force of water.
And how is hydro power generated ?
It is generated in 3 different ways: hydroelectric power, tidal power, and wave power.
Hydroelectric Power:
This is the most common form of hydro-power, making up the majority of all renewable energy produced. Electricity is produced in hydroelectric dams where the force of falling water drives massive turbines.
The advantage of this type of power is that not only does it produce electricity, but the dam helps collect water for our use, so it’s a power and water source in one. Furthermore, the force of the water is so strong that megawatts of electricity can be produced to help power entire cities.
There is also a large amount of control over how fast the turbines spin. If more power is needed, the controller simply opens the wicket gates more, which allows more water through the turbines and spins them faster.
The disadvantage is the devastating effect dams can have on plants, animals and even humans. When dams are built they flood large tracts of land that were once occupied by various species and communities of people. Furthermore, the water-borne animals, such as fish can also be affected. An example would be salmon that are blocked from swimming upstream to spawn by the newly erected dam.
Tidal Power:
The second most popular type of hydro power, tidal energy is produced by currents caused from the natural ebb and flow of the tide.
This has been achieved by France and Russia since 1966 in areas with a large tidal range, such as bays and estuaries. One of the systems of tidal power works by trapping water at high tide with a tidal barrage, then releasing that water in one quick burst at low tide. This gushing water drives turbines to produce power.
Although the tides are very predictable and consistent, the problem with this system is that the turbines only operate every 6 hours (once every tide).
A second, more recent, tidal system looks very much like an underwater wind turbine. Large windmill like turbines are sunk in shallow water, where they are slowly spun by shifting tidal water.
The advantage of this system is that it is an adaptation of an already technologically advanced wind turbine - so all the refinement has been done. Furthermore, the dense water is far more efficient than wind at spinning these turbines. Thus even slow-moving water is just as effective as a strong wind.
The drawback is that the current systems can only be built in shallow water, where tidal activity is greatest. This is very limiting since many other economic activities - like oyster farming - occur in the shallows. Furthermore, these structures can damage marine life on the seafloor.
Wave Power:
This is the youngest of the three hydropower solutions. The system harnesses the power from ocean surface wave motion, where air displaced by waves is driven through a generator than spins a turbine. The end result is electricity. These generators can either be coupled to floating devices outta sea, or fixed along the shore where seas are rough.
Although this technology is relatively new, it has been estimated that there is enough energy in ocean waves to produce up to 2000 Megawatts of power.
But, as with all hydro-power solutions, it has potential environmental issues. Conservationists are worried about the impact these structures will have on the coastline’s fauna and flora. Also, there is a possibility of water pollution if - for example - the hydraulic fluids accidentally leaked into the sea. This can be expected if the wave generators are constantly battered by rough seas.
Closing thought:
Man has come up with ingenious ways to harness the power of nature to produce electricity, hydro power being one of them. Although it is an important renewable energy for the future, there is still much controversy over its long-term environmental impact.
About the Author
Tim McDonald and his wife have been living off the grid since June 2008. If you want to learn to get off the grid and save thousands on your electricity bills, then be sure to Try Earth4Energy For FREE, and learn to make your own diy renewable energy at home.
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X menstrual disorder - Types of disorder Mentruation
Menstruation is the shedding of the uterine lining. It is normal to the reproductive system of women and occurs on a regular basis. Normal menstruation that occurs around 3-7 days. During the menstrual cycle, the female sex hormones prepare the uterus to support a pregnancy. If pregnancy occurs menstruation is suspended until giving birth to a child, abortion or miscarriage. Otherwise, the lining sheds the uterus and menstrual blood, tissue, fluid and mucus out of the body through the vagina caused by natural reactions in the female reproductive system, because high levels of certain hormones. Majority of women through their monthly periods easily with no problem at all, other women experience many physical and emotional symptoms before, during or after menstruation irregular menstruation, excessive secretion of blood, delayed menstruation, menstrual cramps and many other symptoms. In this article we will discuss the types of menstrual disorders
1. Dysmenorrhea Dysmenorrhea (menstrual painful) means that women have regular pain during or before or after the menstrual periods in the lower abdomen caused by rupture within contraction of the uterus as a result of excess prostaglandins.
2. Menorrhagia Menorrhagia is an abnormally heavy and prolonged menstrual period excessive menstrual bleeding that lasts more than 7 days or blood loss exceeding 80 ml blood clots caused by abnormal hormonal dysregulation normal periods or disorders of the endometrial lining of the uterus.
3. Fibroids and abnormal uterine bleeding Fibroids are benign tumors that originate in muscle tissue adhering to both interior or exterior wall of the uterus following estrogen levels in women varied body caused by a diet low healthy, to prolong menstruation, emotional suffering, physically inactive and abortion.
4. Amenorrhea Amenorrhea is defined as a delayed menstruation. There are two types of amenorrhea: a) Primary amenorrhea is defined as any period of 16 years of age and b) Secondary amenorrhea is defined as a period begins in the appropriate age, but later stops for more than three cycles or six months.
5. Premenstrual syndrome PMS symptoms are known that occur between ovulation and the onset of menstruation that causes swelling, cramps, fluid retention, breast tenderness, craving sugar and many others such as anxiety, mood swing and result in excess estrogen which disrupts liver function.
6. Premenstrual dysphoric disorder The severe case of premenstrual syndrome, which affects about 3% to 8% of women in the U.S. alone. May interfere with the role of women, the ability social and working life. Women with a history of major depression, anger disorders or mood are most at risk of PMDD other women as a result of abnormal response to normal hormone levels.
I hope this information will help if you need more information of above subject please follow my series of that case, my home page at: title = "Linkification: http://medicaladvisorjournals.blogspot.com"> http://medicaladvisorjournals.blogspot.com href = "http://menstruationi.blogspot.com/" title = "Linkification: http://detoxification03.blogspot.com" http://menstruationx.blogspot.com> http://menstruationdisorders-dysmenorrhea.blogspot.com/
All rights reserved. Any reproduction of this article must have all the links intact. About the Author
I have been studying natural remedies for disease prevention for over 20 years and working as a financial consultant since 1990
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He was born 4 weeks early and had heavy rapid breathing. He has been on a breathing and feeding tubes. Today they are saying that he now has fluid in his lungs and are going to transfer him to the NICU. Has anyone had the same issues with a newborn or can tell me whats happening. THanks
What helps relieve the pain and aches I have now that I’ve caught this years Flu?
44 yrs old, female, southern ca, non-drinker/smoker, in good+ health 99% of the time. Hurts to blink or any other activity with more effort needed. headache, stomach cramps, the poops. Hungry but unable to keep food down. Husband thinks i’m irritable. I just hurt all over and in my joints. taken ‘Pepto’ and ‘Thera-Flu’. Ate 1 chicken strip. Still hurting w/small change in pain level.
Chamomile tea, like phoenix said take baths not showers soak in something relaxing like epsom salts, my mom use lavender (I don’ know if that’s a mental thing). Orange juice, tons and tons of water and no chicken strips chicken soup, chicken broth. As far as the pain goes take motron ib with the chamomile tea you’ll probably go to sleep but you should wake up feeling a bit better. It also doesn’t sound like you have the flu it sounds almost like food poisoning.
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Charter Planes Is An Alternative To Commercial Flights
Charter flights are an alternative to commercial flights. In 1987 the Civil Aeronautics Board opened charters to the public and permitted a great deal of flexibility and competitiveness. Anyone can fly a public charter. It is not restricted to an individual; groups can also charter flights.
You can fly charters into one city and return from somewhere else. One-way tickets, known in charter-industry lingo as “half roundtrips”(one way tickets), can be bought. Charters can land at over 5,300 airports in the U.S., while commercial airlines are limited to the 560 airports with landing strips long enough to support them. Hence, charter airlines can get you closer to your final destination than commercial airlines.
In chartered flights you deal directly with the wholesale tour operators who act as core entities, unlike scheduled flights. In turn, the tour operators charter entire planes or segments of planes from airlines to fly specific routes at specific times. They set fares and sell tickets either through their own retail outlets, through travel agents or through discount dealerships.
The price is a main advantage of charter flights. Although the fares fluctuate considerably depending on the seasons, they cost from $50-$200 less than the lowest round-trip excursion fare on a scheduled airline. Depending on the changes in the travel, the charter fares slide low on off-days and higher on weekends.
Larger tour operators with many flights to different places sell half round-trips that permit you to fly to one destination and return from another. Two half round-trips cost only slightly more than one “whole” round-trip. Other large operators even allow some flexibility for altering your return trip, although this privilege cannot be counted upon on every charter. Charters often provide the only nonstop or direct service overseas from interior cities.
One of the main drawbacks of charters is that they don’t go everywhere. While many charter flights take off for Europe or Southeast Asia, few are available to countries whose
governments have protectionist policies toward national or state-owned airlines. Consequently, few charters are available to the Far East. Secondly, charters have restricted and inflexible schedules. Tour operators arrange back-to-back flights on which planes fly into, for example Los Angeles, on Saturday morning and depart on Saturday night. You can stay any number of weeks, but you cannot fly within the week or on any other day.
Charter passengers must pay for the charter flight weeks or possibly months in advance. Tour operators will sell seats until the last minute, but in practice the most desirable dates fill up early. Also, passengers who alter or cancel their travel plans are subject to substantial penalties.
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