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Potassium-40

potassium-40

A naturally occurring (0.0117%) radioactive potassium isotope; beta emitter with half-life of 1.26 billion years; chief source of natural radioactivity of living tissue.


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Is there any difference between different fertilizers?

Organic and chemical fertilizer ultimately providing the same elements i.e. nitrogen, potassium, phosphorus and other macro and micro nutrients to the plants. There is no difference in atomic structure of elements from both sources. For example, whether nitrogen from ...

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by josem
Mon Aug 04, 2014 3:49 pm
 
Forum: Physiology
Topic: Is there any difference between different fertilizers?
Replies: 1
Views: 870

Too many ions inside a neuron cell. What happens?

... difference effectively, and so it remains open, rapidly building up a concentration of sodium ions in the cell, and this disorder often affects potassium channels, so there is practically no way that the excess sodium ions can escape as they rush into the neuron. What happens when (too many) ...

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by Coelacanth
Tue Dec 03, 2013 1:34 am
 
Forum: General Discussion
Topic: Too many ions inside a neuron cell. What happens?
Replies: 1
Views: 1400

Agriculture and Microbiology come together (Research Prjct)

... Fox Farm and home blends. So far here is the list of what will go into my home made nutrients. I checked and all of them are usable by plants. Potassium Nitrate Boron Nitrite Calcium Phosphate Magnesium Powder Ammonium Phosphate Magnesium Phosphate Zinc Oxide Iron Chelate and Copper Chelate ...

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by Sophiahotep
Thu Nov 14, 2013 9:29 pm
 
Forum: Microbiology
Topic: Agriculture and Microbiology come together (Research Prjct)
Replies: 2
Views: 3617

Extended sleeping

... of lack of sun can cause depression or bad mood, but not likely vitamin D deficiency. Diet-related causes of fatigue include low blood levels of potassium, iron and proteins, for example, but you would really need to have poor diet to come to this; I mean days with almost no food.

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by boron
Sat Nov 09, 2013 4:08 pm
 
Forum: Human Biology
Topic: Extended sleeping
Replies: 3
Views: 1599

List of enterohepatically cycled nutrients?

... online. Unfortunately, the question marks are what I most want to know. 61% Bile salts: (29% sodium 21% chloride 8% bicarbonate 1.6% potassium) 12% Fatty acids 9% Cholesterol 7% Proteins 5% OTHER ?% copper ?% chromium ?% iron ?% zinc ?% manganese ?% molybdenum ?% lithium ?% cobalt ...

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by lourat
Sat Nov 09, 2013 6:18 am
 
Forum: Human Biology
Topic: List of enterohepatically cycled nutrients?
Replies: 0
Views: 1179
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