Sprung

Using MMd. calculate A H and. V leading to ATT and t his reaction has been the subject of computational studies (Kar, Len/ and Vaughan, 1994) and experimental studies by Akimoto et al, (Akimoto, Sprung, and Pitts. 1972) and by Kapej n et al, (Kapeijn, van der Steen, and Mol, 198.V), Quantum mechanical systems, including the quantum harmonic oscillator, will be treated in more detail in later chapters. 

Rod decks, composed of spring-steel rods approximately 0.6 m (2 ft) long, sprung into position between molded-rubber blocks, and held in position by means of rubber spacers, are also available. 

Fig. 28.16. Tentative design for o self-sprung wheel. The spokes and the rim both deflect. The design ensures that the sum of the deflections is constant.

Lest I leave the erroneous impression here that colloid science, in spite of the impossibility of defining it, is not a vigorous branch of research, I shall conclude by explaining that in the last few years, an entire subspeciality has sprung up around the topic of colloidal (pseudo-) crystals. These are regular arrays that are formed when a suspension (sol) of polymeric (e.g., latex) spheres around half a micrometre in diameter is allowed to settle out under gravity. The suspension can include spheres of one size only, or there may be two populations of different sizes, and the radius ratio as well as the quantity proportions of the two sizes are both controllable variables. Crystals such as AB2, AB4 and AB13 can form (Bartlett et al. 1992, Bartlett and van... 

Sprung and Gladstone were the first to show the formation of dibenzyl ether linkages during the condensation of hydroxymethyl phenols, as depicted in Scheme 4c [152], These results have been corroborated by a number of researchers since [128,144,147,148], This condensation was reportedly second-order and takes place at pH conditions near neutral and at temperatures less than 130°C [128,147,153], At temperatures of 160°C the dibenzyl ethers are converted to something else, most likely to methylene linkages and formaldehyde [132],... 

The synthesis, structural characterization and coordination chemistry of polyselenides, Se, and polytellurides, Te t , is a burgeoning field which has sprung into prominence during the past decade. The seminal studies by E. Zintl and his... 

In the relatively few years since the preparation of the previous volume in this series, the explosion of synthetic and clinical experimentation on the semi and totally synthetic antibacterial p-lactam antibiotics has continued, providing a rich body of literature from which to assemble this chapter. The search for utopiasporin, the perfect cephalosporin, continues. The improvements in. spectrum and clinical properties achieved to date, however, are largely incremental and have been achieved at the price of substantially higher costs to the patient. Nonetheless, these newer compounds are truly remarkable when compared with the properties of the fermentation-derived substances from which they have sprung. 

Haar-scharfe,/. extreme precision, -schwefel, m. capillary sulfur, -schweif, m. coma (of a comet), -seite,/. hair side, grain side, -sil-ber, n. capillary silver, -spalte,/. hair crack, fine fissure, -sprung, m. hair crack, -stern, m, comet, -strang, m. Boi. Ac Pharm.) peucedanum hair cord, -vertilgungsmittel. 

Potential-abfall, m. fall of potential, -gefall(e), n. drop in potential potential gradient, -sprung, m. Elec.) jump in potential, -im-terschied, m. difference in potential, potentiell, a. potential, potentiieren, v.t. render potent, potentize. potentiometrisch, a. potentiometric. 

Sprung, m. crack, chink, fissure (of strata) fault jump, spring, bounce, ieap (in a curve) break, discontinuity (in spectra) transition (of waves) hop. -bildung,/. crack formation, fissuring. -feder, /. (eiastic) spring. 

Sprung-hohe, /. Geol.) throw (of a fault), -spektrum, n. transition (or jump) spectrum, -variation,/. (Biol.) mutation, -wahrschein-lichkeit, /. transition probability. 

Sprung-weite, /. range (as of a water jet) (Geol.) shift (of a fault), -zeit, /. time of transition (of an eiectron). 

Ur-schleim, m. protoplasm, -schrift, /. original copy, original, -sprung, m. origin, source. 

Sprung, M. M. Recent Progress in Silicone Chemistry. I. Hydrolysis of Reactive Silane Intermediates, Vol. 2, pp. 442—464. 

Undercuts and reentrant shapes are possible in many designs. They require movable or collapsible mold members, but with small undercuts they can often be sprung from a female mold while the formed product is still warm. This type of action works best when the plastic has some flexibility, as do the TPEs, or the material is very thin. Guidelines for the maximum amounts of undercutting that can be stripped from a mold are as follows 0.04 in. (0.1 cm) for acrylics, PCs and other rigid plastics 0.060 in. (0.15 cm) for PEs, ABSs, and PAs 0.100 in. (0.25 cm) for flexible plastics such as the PVCs. 

Vor dem Sprung in die Produktion, Chemie Produktion, December 2002 Prognoses on speed of implementation PAMIRmarket study industry s demands numbering-up risks expert opinions Clariant pigment micro-reactor production smallness not an end in itself general advantages of micro flow industrial process development and optimization share of reactions suited for micro reactors hybrid approach standardized interfaces start of industrial mass production of micro reactors unit construction kit [208],... 

Geipel-Kern, A., Vbr dem Sprung in die Produktion - Trendbeitrag Mikroreaktions-technik, Chem. Produktion (2002) 28-30. 

Flask clamps are made to fit a wide range of sizes of flask. These are devices for holding flasks while the necks are being worked and enable the whole flask to be rotated easily. They usually consist of a handle with three or four sprung prongs which hold the body of the flask. Some clamps are made so that they can be adjusted to fit a range of flask sizes. 

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