IranScienceClinic

وبینار «بازگشت به ریشه ها»🌱
وبینار «بازگشت به ریشه ها»🌱

کامل ترین آموزش حفظ سلامتی و تناسب اندام🧍🏻‍♀🧍

این آموزش شامل:

4 مجموعه وبینار هست که در وبینار اول:

بیش از 2 ساعت آموزش تعاریف، مزاجشناسی و اصول سبک زندگی ✅
پشتیبانی و پرسیدن سوالاتتون از شخص من✅
عضویت در کانال تلگرامی ویژه پرسش و پاسخ✅


🎁 این آموزش با تخفیف ویژه شب یلدا 🍉 و روز مادر😍 تقدیم شما می شه🎁

بخشی از سرفصل های آموزش👇🏻

۱. آموزش کامل تدابیر لاغری برای افرادی که قصد کاهش وزن دارن🧍🏻‍♀

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۳.  آموزش مزاج شناسی و تدابیر لازم برای هر مزاج⭐️

۴. آموزش کامل تدابیر غذایی( دیگه نگران این که چه چیزی رو در سبد غذایی تون داشته باشین و چه چیزی رو حذف کنین نخواهید بود.)🍞🥩🥗🧀🥚🍣🍜🍲

۵. هر آن چیزی که درباره ی ورزش باید بدونید و تدابیر ورزش کردن 🏃🏻‍♀🏃🏻‍♀

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1 year ago | [YT] | 2

IranScienceClinic

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IranScienceClinic

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1 year ago | [YT] | 8

IranScienceClinic

An electrode is a substance used for the conduction of electricity. The electric current comes or leaves the non-metallic medium like an electrolytic cell. In simple language, an electrode is a conductor that helps establish electrical contact with a non-metallic part of the circuit. Electrodes consist of two main things: cathode and anode, which basically describe the direction of current flow. The terms anode and cathode are not given by the voltage polarity of electrodes but by the direction of current through the electrode.

Cathode and Anode

What is a Cathode?
It is an electrode from which a current leaves a polarized electrical device. This can be recalled by using the mnemonic Cathode Current Departs. A conventional current shows the direction in which positive charges move. Electrons have a negative electrical charge. Therefore, the movement of electrons is opposite to that of the current flow.

Example of cathode

The cathodic current is the flow of electrons from the cathode interface to a species in solution.

Electrolytic Cell
In an electrolytic cell, the negative polarity is applied to the cathode. Some results of reduction at the cathode are pure metal or hydrogen gas from metal ions. While studying the relative reducing power of two redox agents, the couple for making the more reducing species is more cathodic concerning the more easily reduced reagent.

Galvanic Cell
In a galvanic cell, the cathode is the positive pole. This positive pole is connected to allow the circuit to be completed. The anode of the galvanic cell gives off electrons and returns from the circuit into the cell through the cathode.

Electroplating Metal Cathode (Electrolysis)
When metal ions are reduced, they form a pure metal surface on the cathode. Items to be plated with pure metal are attached and become part of the cathode in the solution.

Anode
An anode is an electrode by which the conventional current enters into a polarized electrical device. In contrasts with a cathode, an electrode by which conventional current leaves an electrical device. A common mnemonic is anode current into the device. The direction of current in a circuit is opposite to the direction of electron flow. Therefore, the negatively charged electrons flow out the anode of a galvanic cell, into an external circuit connected to the cell. In both a galvanic cell and an electrolytic cell, the anode is the electrode where the oxidation reaction occurs.

In an electrolytic cell, the anode is the wire with a positive charge. Anions tend to move towards the anode where they can undergo oxidation. Historically, the anode was known as the zincode.

Examples of anode

In a discharging battery or galvanic cell, the anode is the negative terminal because it is where current flows into the cell. This inward current is carried by electrons moving outwards. The negative charge flowing in one direction is equivalent to the positive charge flowing in the opposite direction.
In a recharging battery, the anode is the positive terminal that receives current from an external generator. The current through a battery is opposite to the direction of current during discharge in the recharging battery. In simple words, the electrode that was the cathode while battery discharge becomes the anode during the battery is recharging.
In a diode, the anode is the positive terminal where the current flows into the device. The electrode naming for diodes is based on the direction of the forward current.
In vacuum tubes or gas-filled tubes, the anode is the terminal while the current enters the tube.
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1 year ago | [YT] | 6

IranScienceClinic

The HOMO-LUMO gap refers to the energy difference between the Highest Occupied Molecular Orbital (HOMO) and the Lowest Unoccupied Molecular Orbital (LUMO) in a molecule. A smaller gap generally indicates higher reactivity and lower ionization energy, while a larger gap suggests lower reactivity and higher ionization energy. Band gap is a related concept, but applies specifically to solids (like semiconductors and insulators) where the HOMO and LUMO form bands of closely spaced energy levels. The terms are often used interchangeably in certain contexts, but technically refer to different states of matter.

Need a deeper dive into any aspect of this? For example, are you interested in how the HOMO-LUMO gap relates to specific applications like organic electronics or photochemistry?

1 year ago | [YT] | 8

IranScienceClinic

در فرایند تولید پلی‌استر، چه عاملی در واکنش‌ها شرکت می‌کند؟

1 year ago | [YT] | 8

IranScienceClinic

¹H NMR simulation provides valuable insights into the shielding and deshielding effects observed in Schiff base compounds. Characteristic shifts in proton resonances, particularly those proximate to the imine functionality, directly reflect the electronic environment influenced by conjugation and substituent effects. These simulations aid in structural elucidation and the understanding of electronic properties within the molecule. #NMRsimulation #Schiffbase #NMRspectroscopy #ChemicalShift #ProtonNMR #Imine #Conjugation #SubstituentEffects #ElectronicEffects #StructuralElucidation #ComputationalChemistry #MolecularModeling #OrganicChemistry #Spectroscopy #ChemTwitter #ScienceTwitter #Research #Chemistry #Analysis #Simulation #Molecule #Deshielding #Shielding #Informatics #cheminformatics #NMRdata #Prediction

1 year ago | [YT] | 10