A sample of [

3H

] tobrarnycin (

5

, 000 Ci/Mole) has been synthetized and incubated with
the bacterial ribosome and its subunits. The results obtained show that this antibiotic has
two types of binding sites. The primary one is probably responsible for the inhibition of
protein synthesis whereas the secondary one is probably related to the misreading and reading
tiirough of the messenger RNA.

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カンキツ主要12種を用いて染色体のクロモマイシン (CMA) 染色を行った．染色体は CMA(+) バンドの有無および位置から 種類に区分できた．すなわち，CMA(+) を A: 両端および動原体近傍に有する，: 一方の端部と動原体近傍に有する，: 両端に有する，: 一方の端部に有する，: CMA(+) がない，: 動原体近傍に有する，Dst: 付随染色体を有する 型，である．各種はこれらのうち 2～ 種類の染色体を有し，独自の CMA バンドパターンを示した．

C

. medica では 2 + + ，

C

. limon では 1 + 1 + + ，

C

. aurantifolia では 2 + 9 + ，

C

. aurantium では 1A + 1 + 1 + + ，

C

. sinensis では 2+ 2 + + ，

C

. maxima では A + + 4 + ，

C

. paradisi では 2A + + + ，

C

. ichangensis では 2 + 2 + 12 + 2，

C

. latipes では 2A + + + ，

C

. micrantha では 1 + 11 + 4 + 2Dst，

C

. macroptera では 2 + 1 + 11 + + 1，

C

. hystrix では + 1 + + + 2 + 1Dst であった．

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An empirical equation in use for estimating the pseudo-elastic shear modulus, G_f, of subsoil, associated with shear strains less than 0.001% is proposed in this paper. In a series of in-situ seismic cone tests performed nationwide, the profiles of both G_f and the in-situ void ratio, , with depth were successfully characterised at five sites, each comprising a soft clay layer deposited in the Holocene era. The database which comprised the original data from the field and laboratory tests, coupled with similar information on well-documented Holocene clay deposits in Europe, was statistically analyzed in attempts to determine a generalised relationship with which G_f of soft clay may be reasonably estimated only from routinely available borehole data; that is and the current geostatic effective overburden pressure, σ'_v. An empirical relationship, G_f=, 000 -√(σ'_v) (kPa), was derived from the statistical analysis applied to data from seven different clays worldwide, for which extended over a range between 1 and , and the overconsolidation ratio ranged roughly between 1 and 2. The applicability of the proposed relationship was evaluated for two case records, each in which the clay exhibited unusual behavior; i.., the undrained shear strength remained more or less constant with depth due to the existence of artesian pressure at one site, and, at the other, G_f decreased, whereas increased, with depth. It was demonstrated that even in these clay deposits exhibiting exceptional profiles, the proposed relationship was capable of predicting G_f with a reasonable accuracy by determining the profiles of and σ'_v with depth. In addition, the prediction when compared to G_max from carefully performed laboratory cyclic tests, yielded a better estimate of G_f from the in-situ seismic survey. Despite the fact that the empirical relationship was initially designated to estimate G_f of soft clays, it may be equally applicable to sandy deposits. This was verified by comparing it to similar, and well-established, relationships developed for sands. A case record as such is also described for a loose sand deposit at Higashi-Ohgishima in Tokyo Bay which was placed in 1960's by land reclamation.

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Natural sedimentary clays exhibit ageing effects on their behaviour when subjected to both consolidation and shearing. Attempts to characterising the in-situ 'structure'of soft marine clays have been made in case studies performed in Ariake (Japan) and in Bangkok (Thailand), each showing a typical profile of aged clay-structure with depth reflecting its site-specific geological consolidation history. In each site, profiles of Atterberg limits, natural water content, overconsolidation ratio (OCR), quasi-elastic shear modulus G_max and the undrained shear strength c_u with depth were attained from various laboratory tests, together with the a comparable profile of quasi-elastic shear modulus from insitu seismic survey G_f. Quantitative assessment of the aged clay-structure was made by using two different measures, metastability index MI (G) and the soil constant reflecting structure S (Jamiolkowski et al., 1994). The profiles of MI (G) and the S-value with depth were both determined based on the corresponding G_max behaviour of the reconstituted sample. "Disturbance"of laboratory samples retrieved by using two different samplers (i.., Laval and Japanese thin-walled samplers) with two different sampling techniques (i.., pre-boring and displacement methods) was discussed. A new approach to estimate c_u"in the ground", termed by the authors the MILK (Metastability Index coupled with Laboratory K_o test) method, is proposed. A trial of the MILK-method is demonstrated in soft Bangkok clay, the texture of which is similar to "soft cheese".

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The Beckmann rearrangement of aliphatic ketone oximes, R(CHs)=NOH (R=Et (1); n-Pr (2); iso-Pr (); iso-Bu (4)), with polyphosphoric acid (PPA), polyphosphate ester (PPE), and ester of phosphoric acid (2 P- R) was carried out and migratory ratios ((a)/() in eq. (1)) were determined, The results are shown in Fig.1, 2, and , respectively.
In Fig.1 and 2, the migratory ratios decrease with reaction time and nearly approach to the ratios of anti-alkyl form/syn-alkylform in benzene(A1) or DMSO(A2)except for () (See Table 1). From this fact, it has been found that PPA and PPE are inactive for isomerization of the oximes andanti-alkyl oximes rearrange faster than syn-alkyl ones. ln the case of (), migratery ratios are smaller than Ai or A2. As acetonitrile is detected by GLC, it is presumed that fission has been occurred simultaneously with rearrangement in anti-alkyl oxime (eq. ()). In the case of 2 P- R, all modes of the reaction arethe same as in above, except that the rate of fission is tnuch faster than that in PPA and PPE.
The reaction of anti-alkyl ketone oximes having a bulky grouphas been greatly influenced by the use of sterically demanding catalysts such asPPA, PPE, and 2 P- R.

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In this paper, consideration is given as to how to characterize depth-variation for the small-strain shear modulus of natural clay sedimentation, in a state of normal consolidation. A case study was carried out for a relatively uniform clay layer deposited in the Holocene era. Initially, the effects of both strain and in-situ stress levels on secant shear modulus were carefully examined in cyclic torsion shear tests using undisturbed samples, which were recovered at different depths in a test borehole. The range of shear strain examined was between 0.001% and 1%. Similar examination was made for a silty clay using reconstituted samples that were isotropically consolidated at different stress levels. On the basis of the results of these laboratory tests, together with the shear modulus from an in-situ seismic survey, the small-strain shear modulus was formulated in terms of the stress and strain levels, and linked also to undrained shear strength. Interactions of the small strain stiffness between in-situ and laboratory are discussed in depth with an attention paid to the existing aging effect in the original subsurface condition.

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By employing an undrained cyclic loading ring-shear apparatus, a series of tests to reproduce the dynamic behavior of the Nikawa landslide induced by the January 17, 1995 Hyogoken-Nambu earthquake, is conducted. The test sample is Osaka-group coarse sandy soil taken from the landslide. The initial stress condition acting on a soil element in the sliding surface is applied to the sample. Based on the seismic records monitored at the JR Takarazuka Station, the input seismic wave is synthesized to reproduce the seismic stress acting on the sliding surface. The test results show that the soil failed due to the dynamic loading of the earthquake. The most important results are the excess pore water pressure generation and the acceleration of shear displacement continuing after the main shock. Combined with the grain crushing at the shear zone and the volume reduction in the drained constant-speed ring-shear test, the mechanism of this landslide is interpreted as, shear displacement causing grain crushing in the shear zone and volume reduction, and then resulting in a localized liquefaction phenomenon, "sliding-surface liquefaction". This geotechnical simulation test provides a reasonable interpretation of this highly mobile landslide.

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All the birds examined were also associated with bone dysplasia (art alczaormal develop-ment of bone tissue) in the diaphyseal cortex of the leg bones, especially of bones affectedwith dyschondroplasia. This result is very significant in order to clarifyz tlais disease entity.1970:J14, k -1 } ) , M77 ) i? ht /, ( K ) ( # L", MB @ () t, If!TB& U ", Jff Dyschondroplasia (1*t%fi!dW) ().g:#[!:.fLlt! K?o, [1: ()M;tC, rff.?U/:cD, bb=1lC#li*H(DX15RI!!& t, r, ccl)Efffflr.#.??t"ut:2.?T<.1.?l??/?t:>"A??1!? > >?TMOll?, lI]%G (-srRM) -ts;;.*BI) *M[t fL 54 t:.;*.{1*I[l?(), t@Yllll*fJ?H@() %?Jfipj@ (Dyschondroplasia) p, }, (, 1lTi{-X, WIKIM itt{= t "tl%tff{tO 1111IH(-UP!z U-ii) >ES- -)%Wi*fd?1J*[lEj: >11"iifI".*"H*Tl*&Z") #)/2?-"k l - vich ) J&it(VhiO"= >If-ffi"!1lYl*I4")Ji/l![40111!>9*!)<Y14M)?A"!>CL(Il], k.ClT"ltTt*flB1? & $4U [-" U" L % w, Zl1*.IlBl tI1J, FA(y L-x") LVfAK t: >llltPJ4IiI " } ) t- ! Al j: >kP11liR, &ffl(NWi Z lk(#L" Ct ?!4M2"- fL#, -()%.IWMd1.XI1*I1EPW(tit ff1lR)

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The behavior of the soft clay grounds subjected to repeated loading is different from that subjected to sustained loading. The difference in settlement between these two loading patterns should be due to secondary compression over a long period of time. Consequently, soft clay grounds subjected to repeated loading tend to be more compressible than those subjected to sustained loading. Therefore, it is necessary for engineers to predict post-construction settlements under repeated loading. In this respect, the preloading is considered to be promising as a countermeasure to reduce the settlement of clay under repeated loading as well as under sustained loading. The effect of preloading on post-construction consolidation settlement of soft clay subjected to repeated loading after removal of a part of preload is investigated in the present paper. It has become clear that the settlement of a clay sample after preconsolidation is mainly affected by the amount of preload, the degree of consolidation due to the preload, the amount of permanent load and the amount of repeated load after removal of preload. The calculated settlement versus time relations using a method to estimate the amount of consolidation settlement of soft clay grounds subjected to repeated loading after removal of preloading were compared with the observed degree of consolidation as parameters of the intensities of preload and repeated load.

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(

3H

) Tobramycin was used as a probe to determine the relationship between the structure of aminoglycoside antibiotics and their ability to remove this drug from its higher affinity binding site on the ribosome. The dissacharide moieties (neamine, tobramine, gentamine) appeared to have a common binding site, whereas the kanosamine, garosamine and ribose moieties determined the specificity of this binding. Amikacin and butikacin behaved in an anomalous manner in spite of their close structural relationship to tobramycin.

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Low molecular weight glutenin subunits are important components of wheat storage proteins, which play an important role in determining end-use quality of common wheat. A newly established matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) procedure was used to analyze 478 landraces of bread wheat collected from the Yangtze-River region in China. Results indicated that 17 alleles at three loci: Glu-

, Glu- and Glu- were identified, resulting in 87 different allele combinations. Of the 17 alleles detected at all the Glu- loci, five belonged to Glu-, seven to Glu- and five to Glu- locus. MALDI-TOF-MS indicated Glu-A

3

a/ was present in 72.%, Glu- in .4%, Glu- in .4%, Glu- in .2% and Glu- in .% lines. Seven types of alleles were identified at the Glu- locus: Glu-

B

3

d

/i (25.%), Glu- (21.%), Glu- (16.9%), Glu- (13.%), Glu- (.4%), Glu- (.2%), and Glu- (.2%). Five types of Glu- alleles were detected: Glu- (58.4%), Glu- (.%), Glu- (15.%), Glu- (.%) and Glu- (0.2%). Four new alleles that showed abnormal MALDI-TOF spectrum patterns were identified at the Glu- and Glu- loci. A detailed study is needed to further characterize these alleles and their potential usage for wheat improvement.

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The modulns of longitudinal elasticity and their temperature dependence in commercial aluminum cast alloys were measured in the temperature range from room temperature (20°) to 250° by the resonant frequency method. The results obtained are as follows:
The modulus of longitudinal elasticity tended to decrease weakly and linearly (the tangent of its decrease, m = (-2.4--.) × 10²kg/cm²/°) with the rise of temperature. Within the range of the experiments, aluminum cast alloys were divided into groups, the lst group materials having large moduli of elasticity at room temperature (i. ., = (.15-.25) × 10⁵kg/cm²) were AC2A-T, ACA-, AC4A-, AC4A-T4, AC4-, AC4-T4, ACA-, ACA-T4, etc., the 2nd group materials having intermediate moduli (i. ., = (.85-.98) × 10⁵kg/cm²) were AC4-, AC4-T, AC4-T, AC4-, AC4-T, ACA-, etc. and the rd group materials showing considerably smaller moduli (i. ., = (.58-.65) × 10⁵kg/cm²) were AC1A-, AC1A-T, AC2A-, etc. However, there were some differences between the moduli in this experiments and the moduli in the other data books, and these were considered due to the difference of the measurement principles and of hypotheses or assumptions involved in these principles, so it is suggested that the moduli of elasticity should be reported with indication of the measuring method.

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Field data indicate that the P-wave velocity in sand or gravel is sometimes much lower than that of water, even if the soil is below the water table. It is well understood that a slight decrease in saturation normally evaluated by the -value has a significant effect on undrained shear behavior like liquefaction of saturated soil. In the first part of this research, theoretical formulations of the -value, P-wave velocity and Poisson's ratio are made by taking into account the decrease in bulk modulus of water due to a mixture of air bubbles. Then, computations are carried out using formulas based on the soil properties of a typical sand or gravelly soils and Masa soil from the Kobe area to make charts correlating the variables. These charts indicate that a small decrement in the -value in the interval of =1.0 to 0. will considerably decrease the P-wave velocity. Thus, the P-wave velocity which is easily measured in the field can serve as a convenient index to quantitatively evaluate the insitu soil -value.

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Thirty-six patients (19 males, 17 females: atypical schizophrenia; , typical schizophrenia; 9, depression; 11, neurosis and other psychiatric disorders; ) were operated on according to orbitoventromedial undercutting by Hirose. In all cases, the Rorschach test was carried out and daily behaviors were studied. Thirty-one scales of the test were subjected to multivariate analysis whereas the behaviors were evaluated according to the following criteria, i.., A: recovered or symptom free, : markedly improved, : moderately improved, : slightly improved and : not improved. The following results were obtained.
1) The evaluation of behaviors is as follows. A: 12 cases, : 9, : 9, : , : none.
2) It was found that scores of +106% and R+106% scales were significantly higher after the operation than before; that correlation coefficients between the scores before and after the operation were considerably high.
) Factor analysis followed by varimax rotation was carried out. Six factors were extracted, i.., (1) sensitivity to emotional stimuli, (2) ego-strength, () obsessional rigidity, (4) reaction time, () anxiety and tension and () empathy. It was revealed that 2 was high in atypical schizophrenia, depression and neurosis, and that 2 and were significantly different in terms of the factor scores among the four groups A, , and ; 2 was highest in A, and lowest in regardless of whether it was before or after the operation. showed high scores in both A and , and low in .
4) Multiple discriminant analysis was applied to the data of the Rorschach test before the operation, by classifying 36 subjects into the four groups A, , and . As a result, high rates of correct diagnosis were obtained, i.., 100% for A, 78% for , 56% for and 100% for . When the groups and were combined into one group (+) the highest percentage (100%) was seen in A, followed by (89%) and + group (87%). When the groups A and were combined into one group (A+), the percentages of correct diagnosis were % for A+, and 93% for +.
In conclusion, it can be said that scales of the Rorschach test have been proved to be valid for predicting mental and physical states after the orbito-ventromedial undercutting.

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Among the rivers damaged by the earthquake, two most severely damaged along the Yodo-gawa River are described. In the left levee, the settlement exceeded 2 m for a length of 1.4 km, with a maximum settlement of m. Sand boils were observed extensively on the ground surface near the damaged dikes. Holocene sandy soil with an SPT N-value of 10 or less existed in the upper part of the subsoil profile. These facts indicate that liquefaction of the soil was the major cause of the embankment damage. The cyclic stress ratio required to cause liquefaction was 0.30 as determined from cyclic triaxial tests on undisturbed samples.

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An analytical model is presented for steady-state lateral response of earthfill and rockfill dams in canyons subjected to a steady train of harmonic SH waves incident at an arbitrary angle θ. The dam is idealized as a 2-dimensional shear beam with a triangular cross-section, while the canyon is considered rectangular and consisting of elastic rock. A parametric study is undertaken to investigate the influence on the steady-state response of (a) the angle of incidence θ of the incoming waves, () the impedance ratio and () the canyon narrowness. It is shown that the acceleration amplification is considerably less for a dam built in flexible canyon than for a dam in a rigid canyon and, hence, the effect of radiation damping may be very important. For obliquely incident waves travelling from the left to the right, the response of the dam depends mainly on the interference of the waves transmitted through the base and the left boundary, leading to a maximum response at a θ about 30°-35°. For very long dams subjected to high frequency obliquely incident waves, it is found that there is no amplification of the motion by the dam. For low-frequency excitation, the response of the dam shows little variation along the crest and approaches the response of the elastic half-space. The results are in agreement with published results for the response of alluvial valleys subjected to incident SH waves.

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