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  • Meinl Proton Shaker
    Meinl Proton Shaker

    The Meinl Proton Shaker is a durable and lightweight shaker ideal for precise playing in recording sessions. With its sleek aluminium body and compact design this shaker is easy to handle allowing you to play precise beats and patterns effortlessly. The soft sound is perfect for studio environments ensuring your recordings have the exact percussive touch needed. Durable and lightweight the Meinl Proton Shaker is a reliable addition to any percussionists toolkit.

    Price: 13.5 € | Shipping*: 0.00 €
  • Alpinestars Proton Motorcycle Jacket
    Alpinestars Proton Motorcycle Jacket

    The Alpinestars Proton Motorbike Jacket is packed with features...Specifications Include:Extensive stretch construction for the optimum blend of fit, comfort, light weight and freedom of movementChassis constructed from a blend of leather and stretch fabric for comfort, durability, abrasion resistance and light weight, with a 2L waterproof membrane for proven wet weather performanceDetachable thermal liner (100g body, 80g sleeves) allows the jacket to be configured according to the climateLow profile sports collar construction with soft lining for enhanced rider comfortTech-Air ready and can accommodate the Tech-Air 5 or Tech-Air 3 airbag systemsSports body mapped fit and pre-curved sleeves for optimal riding performanceLarge direct ventilation panels on chest for optimized levels of airflowCE Level 2 Nucleon Flex Pro armour on shoulders and elbowsNucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available separatelyGP Lite shoulders with dynamic friction shield on the shoulder for enhanced impact and abrasion resistanceRear of the jacket is elongated for enhanced coverage when ridingPolyamide stretch panels on arm pit, inner arms and shoulder blades for an optimized fit and performanceZip front closure has been engineered to be durable and easy to useHook and loop waist for a secure closureTwo front zippered pockets, two chest pockets an inner waterproof document pocket and two inner pockets on the liner for safe and secure storage of valuables.

    Price: 389.49 € | Shipping*: 0.00 €
  • Alpinestars Proton Motorcycle Jacket
    Alpinestars Proton Motorcycle Jacket

    The Alpinestars Proton Motorbike Jacket is packed with features...Specifications Include:Extensive stretch construction for the optimum blend of fit, comfort, light weight and freedom of movementChassis constructed from a blend of leather and stretch fabric for comfort, durability, abrasion resistance and light weight, with a 2L waterproof membrane for proven wet weather performanceDetachable thermal liner (100g body, 80g sleeves) allows the jacket to be configured according to the climateLow profile sports collar construction with soft lining for enhanced rider comfortTech-Air ready and can accommodate the Tech-Air 5 or Tech-Air 3 airbag systemsSports body mapped fit and pre-curved sleeves for optimal riding performanceLarge direct ventilation panels on chest for optimized levels of airflowCE Level 2 Nucleon Flex Pro armour on shoulders and elbowsNucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available separatelyGP Lite shoulders with dynamic friction shield on the shoulder for enhanced impact and abrasion resistanceRear of the jacket is elongated for enhanced coverage when ridingPolyamide stretch panels on arm pit, inner arms and shoulder blades for an optimized fit and performanceZip front closure has been engineered to be durable and easy to useHook and loop waist for a secure closureTwo front zippered pockets, two chest pockets an inner waterproof document pocket and two inner pockets on the liner for safe and secure storage of valuables.

    Price: 389.49 € | Shipping*: 0.00 €
  • Alpinestars Proton Motorcycle Jacket
    Alpinestars Proton Motorcycle Jacket

    The Alpinestars Proton Motorbike Jacket is packed with features...Specifications Include:Extensive stretch construction for the optimum blend of fit, comfort, light weight and freedom of movementChassis constructed from a blend of leather and stretch fabric for comfort, durability, abrasion resistance and light weight, with a 2L waterproof membrane for proven wet weather performanceDetachable thermal liner (100g body, 80g sleeves) allows the jacket to be configured according to the climateLow profile sports collar construction with soft lining for enhanced rider comfortTech-Air ready and can accommodate the Tech-Air 5 or Tech-Air 3 airbag systemsSports body mapped fit and pre-curved sleeves for optimal riding performanceLarge direct ventilation panels on chest for optimized levels of airflowCE Level 2 Nucleon Flex Pro armour on shoulders and elbowsNucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available separatelyGP Lite shoulders with dynamic friction shield on the shoulder for enhanced impact and abrasion resistanceRear of the jacket is elongated for enhanced coverage when ridingPolyamide stretch panels on arm pit, inner arms and shoulder blades for an optimized fit and performanceZip front closure has been engineered to be durable and easy to useHook and loop waist for a secure closureTwo front zippered pockets, two chest pockets an inner waterproof document pocket and two inner pockets on the liner for safe and secure storage of valuables.

    Price: 389.49 € | Shipping*: 0.00 €
  • What is meant by proton donors and proton acceptors?

    Proton donors are substances that can donate a proton (H+) to another substance. This typically involves the release of a hydrogen ion. Proton acceptors, on the other hand, are substances that can accept a proton from another substance. This typically involves the uptake of a hydrogen ion. In the context of acid-base reactions, proton donors are acids, while proton acceptors are bases.

  • What is proton donation and proton acceptance in chemistry?

    Proton donation and proton acceptance are key concepts in acid-base chemistry. Proton donation refers to the transfer of a hydrogen ion (proton) from one substance to another. This typically occurs when an acid donates a proton to a base. Proton acceptance, on the other hand, involves the acceptance of a proton by a substance, often a base, leading to the formation of a new chemical species. These processes are fundamental to understanding the behavior of acids and bases in chemical reactions.

  • What determines a proton donor and a proton acceptor?

    A proton donor is a substance that can release a proton (H+) in a chemical reaction, while a proton acceptor is a substance that can accept a proton. This ability is determined by the presence of a hydrogen atom with a positive charge (H+) in the molecule. In general, substances with a lone pair of electrons, such as a hydroxide ion (OH-) or an amine group (NH2), can act as proton acceptors, while substances with a hydrogen atom bonded to an electronegative atom, such as a hydrochloric acid (HCl) or acetic acid (CH3COOH), can act as proton donors.

  • Why are carboxylic acids proton donors and amines proton acceptors?

    Carboxylic acids are proton donors because they contain a highly electronegative oxygen atom that can stabilize the resulting carboxylate anion by delocalizing the negative charge. Amines, on the other hand, are proton acceptors because they contain a lone pair of electrons on the nitrogen atom that can readily accept a proton to form a positively charged ammonium ion. This ability to donate or accept protons is due to the presence of functional groups in these molecules that can easily gain or lose a hydrogen ion in solution.

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  • Alpinestars Proton Motorcycle Jacket
    Alpinestars Proton Motorcycle Jacket

    The Alpinestars Proton Motorbike Jacket is packed with features...Specifications Include:Extensive stretch construction for the optimum blend of fit, comfort, light weight and freedom of movementChassis constructed from a blend of leather and stretch fabric for comfort, durability, abrasion resistance and light weight, with a 2L waterproof membrane for proven wet weather performanceDetachable thermal liner (100g body, 80g sleeves) allows the jacket to be configured according to the climateLow profile sports collar construction with soft lining for enhanced rider comfortTech-Air ready and can accommodate the Tech-Air 5 or Tech-Air 3 airbag systemsSports body mapped fit and pre-curved sleeves for optimal riding performanceLarge direct ventilation panels on chest for optimized levels of airflowCE Level 2 Nucleon Flex Pro armour on shoulders and elbowsNucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available separatelyGP Lite shoulders with dynamic friction shield on the shoulder for enhanced impact and abrasion resistanceRear of the jacket is elongated for enhanced coverage when ridingPolyamide stretch panels on arm pit, inner arms and shoulder blades for an optimized fit and performanceZip front closure has been engineered to be durable and easy to useHook and loop waist for a secure closureTwo front zippered pockets, two chest pockets an inner waterproof document pocket and two inner pockets on the liner for safe and secure storage of valuables.

    Price: 389.49 € | Shipping*: 0.00 €
  • Alpinestars Proton Motorcycle Jacket
    Alpinestars Proton Motorcycle Jacket

    The Alpinestars Proton Motorbike Jacket is packed with features...Specifications Include:Extensive stretch construction for the optimum blend of fit, comfort, light weight and freedom of movementChassis constructed from a blend of leather and stretch fabric for comfort, durability, abrasion resistance and light weight, with a 2L waterproof membrane for proven wet weather performanceDetachable thermal liner (100g body, 80g sleeves) allows the jacket to be configured according to the climateLow profile sports collar construction with soft lining for enhanced rider comfortTech-Air ready and can accommodate the Tech-Air 5 or Tech-Air 3 airbag systemsSports body mapped fit and pre-curved sleeves for optimal riding performanceLarge direct ventilation panels on chest for optimized levels of airflowCE Level 2 Nucleon Flex Pro armour on shoulders and elbowsNucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available separatelyGP Lite shoulders with dynamic friction shield on the shoulder for enhanced impact and abrasion resistanceRear of the jacket is elongated for enhanced coverage when ridingPolyamide stretch panels on arm pit, inner arms and shoulder blades for an optimized fit and performanceZip front closure has been engineered to be durable and easy to useHook and loop waist for a secure closureTwo front zippered pockets, two chest pockets an inner waterproof document pocket and two inner pockets on the liner for safe and secure storage of valuables.

    Price: 389.49 € | Shipping*: 0.00 €
  • Proton Therapy and Radiosurgery
    Proton Therapy and Radiosurgery

    The book is divided into two parts: Part I deals with the relevant physics and planning algorithms of protons (H Breuer) and Part II with the radiobiology, radiopathology and clinical outcomes of proton therapy and a comparison of proton therapy versus photon therapy (BJ Smit).Protons can be used for radiosurgery and general radio­ therapy.Since proton therapy was first proposed in 1946 by Wilson, about sixteen facilities have been built globally.Only a very few of these have isocentric beam delivery systems so that proton therapy is really only now in a position to be compared directly by means of randomised clinical trials, with modern photon radiotherapy therapy sys­ tems, both for radiosurgery and for general fractionated radiotherapy.Three-dimensional proton planning computer systems with image fusion (image of computerised tomography (CT), magnetic resonance registration) capabilities imaging (MRI), stereotactic angiograms and perhaps positron emission tomography (PET) are essential for accurate proton therapy planning.New planning systems for spot scanning are under development.Many of the older comparisons of the advantageous dose distributions for protons were made with parallel opposing or multiple co-planar field arrangements, which are now largely obsolete.New comparative plans are necessary once more because of the very rapid progress in 3-D conformal planning with photons.New cost-benefit analy­ ses may be needed. Low energy (about 70 MeV) proton therapy is eminently suitable for the treatment of eye tumours and has firmly established itself as very useful in this regard.

    Price: 199.99 £ | Shipping*: 0.00 £
  • Ghostbusters: Proton Pack and Wand
    Ghostbusters: Proton Pack and Wand

    This officially-licensed kit includes a mini replica of the Proton Pack and Wand from the 2016 Ghostbusters film. - SPECIFICATIONS: 4" mini proton pack and wand with elastic straps and 13 sticker decals- LIGHT AND SOUND FEATURES: A red LED illuminates through the wand and emits sound by pressing button on handle- BOOK INCLUDED: Mini book of full-color stickers - PERFECT GIFT: A unique gift for fans of the Ghostbusters films- OFFICIALLY LICENSED: Authentic collectible™ & © 2016 Columbia Pictures Industries, Inc.

    Price: 10.99 £ | Shipping*: 3.99 £
  • Are there only proton-proton collisions in the particle accelerator?

    No, there are not only proton-proton collisions in the particle accelerator. Particle accelerators can also collide protons with other particles such as electrons or heavy ions like lead or gold. These collisions are important for studying different aspects of particle physics and for exploring the fundamental forces and particles that make up the universe. By colliding different types of particles, scientists can gain a better understanding of the fundamental building blocks of matter and the forces that govern their interactions.

  • What are proton currents?

    Proton currents refer to the flow of protons, which are positively charged particles, through a medium. This flow of protons can occur in various contexts, such as in biological systems, in proton-conducting materials, or in the context of proton exchange membrane fuel cells. Proton currents are important in many physiological processes, such as the generation of energy in cells through the process of oxidative phosphorylation. In the context of proton-conducting materials and fuel cells, proton currents are important for the generation of electrical energy.

  • How secure is Proton?

    Proton is considered to be a highly secure email service. It offers end-to-end encryption for emails, meaning that only the sender and recipient can read the contents of the messages. Proton also uses strong encryption protocols to protect user data and has a strict privacy policy that ensures user information is not shared with third parties. Additionally, Proton is based in Switzerland, known for its strong privacy laws, adding an extra layer of security for users.

  • What is proton decay?

    Proton decay is a theoretical process in which a proton, one of the fundamental particles that make up an atom's nucleus, decays into lighter particles. This process is predicted by some grand unified theories (GUTs) that seek to unify the electromagnetic, weak, and strong nuclear forces. If proton decay were to occur, it would have profound implications for our understanding of the fundamental forces and particles in the universe. However, despite extensive experimental efforts, proton decay has not been observed, and its theoretical prediction remains unconfirmed.

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