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Permit, viii

It is interesting to note in the latter connection that nucleophilic substitution transition states in which there apparently is not strong delocalization of pi electron density into the substituent tend to fall into the <7 type (cf. reactions 18 and 19 of Table VIII). In set 18, there are two ortho nitro groups which apparently take up much of the pi charge (thus it is unavailable to X), whereas in set 19, the positive piperidinium center may cause (perhaps with assistance from the NH hydrogen bonding permitted by the aprotic solvent) the... [Pg.517]

Many users have reported satisfactory performance of annealed or normalized and tempered steels produced before 1969, as shown in Figure 1. These steels have been used for pressure-retaining equipment at design stress levels allowed by the 1969 or earlier editions of commonly-accepted codes (such codes include the ASME Code, Section VIII, Division 1 the standards of the American National Standards Institute and, for the lower-strength materials, those of Deutsche Industrie-Normen). However, pressure vessels in hydrogen service have also been constructed using the higher allowable stresses permitted in either Section VIII, Division 2, or modifications of Section III of the ASME Code. Quenched and tempered or normalized and tempered steels have normally... [Pg.38]

In recent years, increasing use has been made of in situ methods in EM—as is true of other techniques of catalyst characterization such as IR, Raman, and NMR spectroscopy, or X-ray diffraction. Although the low mean-free path of electrons prevents EM from being used when model catalysts are exposed to pressures comparable to those prevailing in industrial processes, Gai and Boyes (4) reported early investigations of in situ EM with atomic resolution under controlled reaction conditions to probe the dynamics of catalytic reactions. Direct in situ investigation permits extrapolation to conditions under which practical catalysts operate, as described in Section VIII. [Pg.198]

It is permitted to substitute 5.25% sodium hypochlorite for the 10% alcoholic sodium hydroxide solution above. Allow one hour with agitation for the reaction. Adjustment of the pH is not required. Conduct general area monitoring to confirm that the atmospheric concentrations do not exceed the airborne exposure limit (See Section VIII). [Pg.368]

The maximum relieving pressure11 shall be in accordance with Section VIII, Division 1, with the exception that the allowances in para. IP-2.2.5 are permitted, provided that all other requirements of para. IP-2.2 are also met. [Pg.116]

Slip-on welding flanges are permitted in sizes and pressure classes established in ASME B16.5. Slip-on flanges of rectangular section may be substituted for hubbed slip-on flanges provided the thickness is increased as required to produce equivalent strength as determined by calculations made in accordance with ASME BPV Code Section VIII, Division 1, Appendix 2. [Pg.134]

The fact that compounds with an 8,14 double bond (VIII) cannot be hydrogenated implies that the isomerization cannot proceed via a half-hydrogenated species, an essentially saturated structure. To avoid the excessive compression between the angular methyl groups at C-10 and C-13 which is enforced by the required geometry of the transition to the half-hydrogenated state (IX) the isomerization proceeds via an allylic intermediate (X) which permits the carbon atom at C-8 to retain its hybridization (Fig. 13). [Pg.144]

In order to create a big Navy, Henry VIII of England needed money which he got by confiscating the properties of Roman Catholic Churches and Monasteries. This money permitted him to create a Navy, which at the time of Henry s death (1547) amounted to 53 ships, all equipped with bronze cannons. With the... [Pg.128]

The field-sample extracts were also analyzed for TAAPs and OP pesticides by capillary GC-NPD however, no OP pesticides were detected. The TAAP results are shown in Table VIII. The use of the NPD-specific detector permitted lower detection limits than GC-MS for the TAAP (8) however, all of the higher concentrations were in agreement with results obtained by GC-MS. Similar to our earlier surveys, triethyl phosphate levels were highest in the eastern section of the Great Lakes system. [Pg.318]

The effects of initial amelioration are most readily discernible in the alcohol and acid content of the new wine. Instead of alcohol concentrations of 7-10%, the new wines contain 12-13%. The effect of partial amelioration on acid content is illustrated in Table VIII. The total acid values of the new wines are the result both of partial amelioration and deposition of tartrates during the alcoholic fermentation. Even so, most of the acid values remain high, and additional techniques must be employed to reduce the acid content to an acceptable level. Processes currently used include further amelioration, blending several native varieties and hybrids of the same or different vintages, blending a small proportion of low-acid vinifera wine, and encouraging the malo-lactic fermentation. Treatment with calcium carbonate is permitted by federal regulations and occasionally is used to reduce natural acidity in the absence of a malo-lactic fermentation. [Pg.114]

Answer Yes, because VIII-c contains seven carbons while we are permitted to start with acyclic molecules containing no more than four carbons. [Pg.110]

For flanges of nonstandard dimensions or for sizes beyond the scope of the approved standards, design shall be in accordance with the requirements of the ASME Boiler and Pressure Vessel Code, Sec. VIII, except that requirements for fabrication, assembly, inspection testing, and the pressure and temperature limits for materials of the Piping Code are to prevail. Countermoment flanges of flat face or otherwise providing a reaction outside the bolt circle are permitted if... [Pg.808]


See other pages where Permit, viii is mentioned: [Pg.685]    [Pg.712]    [Pg.95]    [Pg.458]    [Pg.1025]    [Pg.285]    [Pg.267]    [Pg.1277]    [Pg.518]    [Pg.345]    [Pg.59]    [Pg.103]    [Pg.241]    [Pg.62]    [Pg.155]    [Pg.368]    [Pg.136]    [Pg.332]    [Pg.38]    [Pg.113]    [Pg.155]    [Pg.245]    [Pg.175]    [Pg.281]    [Pg.221]    [Pg.36]    [Pg.232]    [Pg.354]    [Pg.72]    [Pg.275]    [Pg.73]    [Pg.28]    [Pg.157]    [Pg.267]    [Pg.1277]    [Pg.295]    [Pg.7]   
See also in sourсe #XX -- [ Pg.35 , Pg.38 , Pg.76 ]




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