why we prepare any synthetic model?
452568
In synthetic organic chemistry, model compounds allow you to test a key reaction before you spend months or years synthesizing the exact substrate you need to reach the final product. It's especially useful if the substrate for your final product is difficult to make and only available in very small amounts.\n\nThe problem with model compounds is that they aren't the exact substrate you will ultimately need, so even if your key reaction works on the model compounds it won't necessarily work on the real substrate. Nonetheless, a model compound can be very helpful in the course of designing a new synthesis.
381672
if you are trying to build a model - i would recommend either a playdo type creation or if you wanted to be fancy - use a jello mold.\n\nJello mold you make the mini components first and let them harden.  then put them in place in and outside of your 'membrane' and fill in with a clear jello (knox).  The clear represents your axon and cell membrane with your multicolored preformed pieces acting as your pump, na, and K+\n\nhave fun!
354354
No element is synthetic
783090
u can use artificial inteligence in data mining the information on organic chemistry.\n\nAlso you can simulate, model and predict the chemical reactions using software based on artificial interlligence
610230
There is a lot of money in it if you can make it. Good looks come with a shelf life, at least as far as modeling goes.
1071616
As opposed to artificial?
832973
Hi:\n\nMiller's experiment did just that... produced organic matter from inorganic matter, simulating the primitive conditions. What is believed to have happened after that is difficult to simulate as it was a random process of associations of the various organic compounds to form primitive complex structures, like say even catalytic RNA. This would have taken millions of years in itself and is difficult to reproduce in vitro.\n\nIf it is of some consolation to you, scientists have created a virus from scratch, about a year ago and the results were published in Nature.\n\nCheers!!
629727
make a model of DNA with wires and thermocole balls
1022038
It is often alledged that all forms of animal testing could be replaced by other means. However other means are often left vague.\n\nThere are computer simulation techniques to try to select appropriate molecules but all they do is whittle dosn the list of probable compounds which might work. Some of them are int he public domain (look at http://www.grid.org/download/gold/download.htm) soem are complex private modelling tools.\n\nBut they are not comprhensive. I have friends who work for the Pharmaceutical Industry * medics, all without exception say there is no way they would trust a new compund that hadn't been tested before use. They are open about how it can be tested, but make the point that the human body is a complex mechanism, it cannot be simulated by computer, nor by cellular level trials. sometimes the side effecxts (and most compounds do have side effects) are seen in other parts of the body than expected, or can\nbe more severe than predicted.\n\nI don't think there is anyone who would condone testing of cosmetics and beauty products on animals (which are relativel easy to test on human volunteers, after all skin cells can be effectively tested, but pharamceutical compounds?\n\nThere may be a day when such compounds can be tested entirely in a computer, but I don't think its any where near there (yet). Simply we do not have enough information to create a realistic simulation model. Even so I'd still be very reluctant to be the first user of such a compound.
822689
Learn somemodeling simulation software .
828995
How about the universe? It is a system but you can't define the user requirements, thoroughly test it, build it, or even maintain it. However it is a system. A chaotic one, but still a system.\n\nIf you are talking software systems, then there are none. The models serve as a methodology for building systems so hence they apply to all systems. Anything built not using a methodology doesn't work and is not a system.\n\nLets say for instance that you sat at your computer and with no requirements from anyone, started tinkering on a project. Lets say you build a button, then jump over to write a line of code, to then jump over to its documentation... all being unrelated.\n\nNow this project is finished and doesn't work of course because it doesn't meet any requirements or even compile. Lets keep going like this and assume that eventually it starts working for some unknown reason. Now that it works it is a system because its parts work together to achieve a goal.\n\nYou could then apply a model to it, you had some requirements (because it has a purpose it is now achieving by working), it has a design (because it has parts working together and not randomly), you constructed it (because it is now come into being), you tested it (because now you know it works) and can be maintained (since it is now working and could continue working if you put more work into it).\n\nThe methodologies you mention outline a process of making a system so theoretically all systems conform to this process. Now if you didn't do them in order, so what? At the end you still went through the phases because you have a working product.\n\nAt least that is my take on it. If you are talking about any system though, I will stick to the universe.\n\nSee you later, testing Saturn.
898309
The only thing I can think of is to adapt existing models to suit your needs.Try buying Lego men,preferably from a junk or charity shop or pinch them from neighbouring kids.Don't try to make them look real remember they're just representations of the real thing not a model,more of a Cartoon.
243700
Diamond is (under normal pressure) a chemically less stable form of elemental carbon. In order to synthesize diamond, you need to expose carbon to huge amounts of pressure and considerable heat, as can be found under geological conditions.\n\nSynthetical diamonds aren't fakes, btw.
482616
Synthesizing compounds  particularly naturally occuring ones through chemical reactions in the lab or industry.
654233
Well I don't know about the real thing but you  can have a model by just under 200 .\n\nSee in
166431
I will list a great website below, onemodelplace - that has a good section for models.   Also try modelmayhem
215577
I have found that simulation software has been extremely useful for physics, chemistry, and even biology. Simulations allow students to ...\n\n- interact with what they are learning by giving them opportunities to play around with variables\n- slow down phenomenon to allow observation\n- play back interactions so that they can focus on one variable at a time\n- and learn by doing instead of just reading something in a dry textbook. Kids often feel that simulations are fun and almost gamelike\n- Three dimensional phenomenon can be modeled much easier on a computer screen than in a static, two-dimensional textbook page. We definitely found this to be the case when studying molecular shape.\n- simulations can eliminate the need for expensive, difficult to use, and dangerous lab equipment