The presence of several homologous series of porphyrins have been demonstrated in some oil shale rocks, shale oils, and petroleums. However, the application of microanalytical techniques (i.e., mass spectrometry and gas chromatography) to structure determination has been limited due to the low volatility of the porphyrin components. The authors report the synthesis of several novel Si(IV) etioporphyrin I derivatives and the effects that their various additional silicon ligands have on porphyrin volatility as measured by gas chromatography at normal pressure.

Although the detailed pathway of carbon, by which carbohydrates are formed from carbon dioxide during photosynthesis, has been established, comparatively little is known about the participation and transport of hydrogen in the complex series of reactions now known to be involved in photosynthesis. The transport of hydrogen may occur concurrently with the redox reactions of photosynthetic electron transport leading to the formation of ATP, as well as in the reduction of carbon dioxide. The participation of the chlorophylls, the carotenoids, the quinones, and other lipoid components in photosynthetic hydrogen transport has been the subject of considerable speculation. In an attempt to elucidate the pathway of hydrogen transport, we are studying the tritium labeling pattern in the lipid extracts of Rhodospirillum rubrum after the bacteria have been illuminated in growth medium containing tritiated water.

This report details the TISR-172 sample exposures at the Hanford Reservation.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Construction of that portion of S. B. 145, 60th Legislature, relating to the amendment of Article 42.12, Section 15, Vernon's Code of Criminal Procedure.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Interim expenses of members of the House of Representatives, 60th Legislature.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Whether the Dallas County Auditor has the authority to carry out certain delegate duties authorized by an order of the Commissioners Court of Dallas County pursuant to Art. 4494n, Vernon's Civil Statutes.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Constitutionality of House Bill 406, Acts of the 60th Legislature, Regular Session, and related questions.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Telephone charges of members of the House of Representatives.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Whether the County Attorney of Bee County, and the District-Attorney serving said county are required to submit the reports contemplated by Arts. 1001-1005, C. C. P., Arts. 390-391, P. C. and Art. 1620, V. C. S.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Whether a Commissioners Court is authorized to designate a bank as county depository under the facts and circumstances presented.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Whether oil and gas produced under an oil and gas lease executed by the United States to a private party lessee and covering lands over which the United States has exclusive jurisdiction are subject to the gas and oil production taxes levied by Articles 3.01 and 4.02, respectively, Title 122A, Taxation-General, V. C. S., and the regulation pipeline tax imposed by Article 6032, V. C. S.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Whether devise and bequest to a Cemetery Association is exempt from inheritance tax.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Whether Article 26.05, Code of Criminal Procedure, is applicable to matters before Juvenile Courts concerning children accused of felony or misdemeanor.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Interim expenses of members of the Senate, 60th Legislature.

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Work is reported in these areas: general radiation effects; toxicity of radioelements; studies at the molecular and cellular levels; environmental radiation studies; atmospheric radioactivity and fallout; marine sciences; radiological and health physics; and radiation instruments.

These design elements are described: utility systems; reactor systems; irradiation test systems and facilities; component handling systems; examination systems and facilities; unified instrument and control systems; and other miscellaneous facilities.

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The report is about the geophysical year oceanographic program of the Argentine Republic.

In the various design concepts of using pyrofoil as seals, thermal and flow barriers, and antifriction joints in the reactor core, dimensional tolerances can become critical in some areas. In such cases the compaction properties of he pyrofoil are essential for adequate design and for setting up procedures in the fabrication and handling of parts. Preliminary tests indicated that initial compaction was seriously affected by prior handling. In the case of the aft end seals the compaction and hysteresis properties at low loads must be considered in order to maintain sealing between elements under known bundling pressure conditions.

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