There are many reports available about the centrifugal-head flow meter but a few for its application. There upon we measured the discharge coefficient for seven (360??) centrifugalhead flow meters which were different in size in the range of R_s=10²?`10⁵. We obtained a simplified formula which expressed the relation between the discharge and the head as follows : For the range 4?10²<R_s<4.7?10⁴. Q=A {0.26+0.28 (+??h>)-0.03 (+??h>)²}??h> (cm³/sec) For the range 4.7?10⁴<R_s. Q=0.91??2gh>r₁??r₁R>??h>(cm³/sec)

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By means of the formulas determined by the present author previously, the magnitudes of 735 shallow earthquakes which took place in and near Japan during 1931-1950 were determined. The mean annual numbers of earthquakes having the magnitude M were found to be expressed by log N= -1.60+1.06 (8-M), for the area A, log N= -1.57+0.72 (8-M), for the area , N= -1.61+0.66 (8-M), for the area C, log N= -1.46+1.04 (8-M), for the area (A+), N= -1.33+1.01 (8-M), for the area (A+B+C), the class interval of M being taken as 0.1. It is interesting to note that while the first constant does not differ much from area to area, the second does so. The second constant for an area is nearly proportional to the total number of earthquakes which occurred in that area.

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In the previous papers, the authors reported that the half-value breadths of metals read from X-ray diffraction lines changed with application of alternating stresses at a constant or varying stress amplitude. It was found that the b/ - n/N (n/N is a cycle ratio) or the b/ - Σ n/N (Σ n/N is the summation of cycle ratios under a varying stress amplitude) relations were expressed by straight line, and offered a certain method of nondestructive prediction of fatigue life. On the other hand, in order to interpret the change in half-value breadth due to stress repetitions, we investigated the appearance of slip-bands that developed on the surface of the annealed carbon steel, and also observed the change in macro-residual stress in fatigue processes. In the present investigation, we investigated the relation between change in half-value breadth and macro-residual stress, micro-structure, micro-hardness of cold worked carbon steel and age hardenable Al-Cu alloy, and discussed on the change in half-value breadth from the standpoint of the fatigue mechanism.

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“Power-Duration Curves” had been measured on three middle aged subjects through-out the performance of heavy constant loaded cycling exercise with different intensities. And the results were compared with the results of previous investigation on young subjects for the purpose to know the properties of the physical work capacity of middle aged man.
The relations between the Total Power output (TP) and its maximal duration (t) is summarized as the following two equations: log TP=a- t, in the case of the t shorter than about 5-6 minutes, and log TP=a′-

b

′· t, in the case of the t longer than about 5-6 minutes. The relations between the Anaerobic Power output (AnP) and its maximal duration (t) is also summarized as the two equations: log AnP=c-d·log t, in the case of the t shorter than about 1-4 minutes, and log AnP=c′-d′·log t, in the case of the t longer than about 1-4 minutes. The above equations are applicable to the results of every subjects in each age group, then, the age difference in quality is hardly found. However, the values of the constants a, a′, c and c′ in the above regression equations are respectively lower in the middle aged subjects, the other hand, the age difference is scarcely found in the values of the constants b, b′, d and d. It is also said that the endurance time of the certain Aerobic Power output of the middle aged subjects are shorter than young ones within the experimental region.
It is considered that the one of the reasons, both of the endurance times of the certain Aerobic Power output and Anaerobic Power output are shorter in the middle aged subjects than young ones, is the maximal aerobic power and the maximal anaerobic capacity of the middle aged subjects are lower than young ones.
In this paper, the Aerobic Power is a mean total oxygen intake during exercise, the Anaerobic Power is a oxygen debt per endurance time of exercise. The term of the “Anaerobic” is not most suitable one, however it is used for convenience. The Total Power is defined as the sum of the Aerobic Power plus the Anaerobic Power.

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The boron content of siliceous sinters is related primarily to the boron concentration in the original solution from which they deposited, and is also affected by their degree of crystallization, as expressed in terms of water content. When the ratio of B/SiO₂ in the sinter to B/SiO₂ in the solution is denoted by r, then r can be expressed as a function of water content of the sinter: log r=a+ (H₂O), where a and b are constants under given pH and temperature conditions.

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Relation between the visccsity and electrical conductivity was discussed with the molten CaO-SiO₂-Al₂O₃ cr [CaO (43)-SiO₂ (43)-Al₂O₃ (14)]-addition system, from the arrangements of the data which were reported in previous works. The viscosity coefficient and conductivity were related with each other, in the equation log η=a+ κ. The calculated viscosity coefficient is in good agreement with observed one. The estimation of the density, surface tension, viscosity coefficient or conductivity from the slag composition was tried on the molten CaO-SiO₂-Al₂O₃ system.

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The compactibility of three kinds of graphite powder was investigated, and found to be good except in the case of artificial graphite. The compactibility was found impaired by purification of the powder, but restored completely or even improved above the original value by through ball milling. And it was found that the porosity V of the compacts is related to the compaction pressure P by the function log V = A - P, where A and B are constants
The cause of these changes observed in compactibility was investigated. It was attributed to the shape of the powder particles. The graphite particles had acquired complex shapes during the puri-fication. The high temperatures to which the powder was exposed and purified had caused recrystab lizadon through the action of free carbon particles precipitated from the thermodecomposition of freon gas (CCl₂F₂) used for purification. These complex shaped particles disintegrated again into thin flaky particles by_thorough milling.

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A study has been made on the effect of neutron irradiation on the tensile properties at room temperature of Magnox AL80, Mg-Al alloy and unalloyed magnesium as a function of grain size. Heat treated wire specimens were encapsulated and then irradiated in the JRR-2 reactor up to exposures of 1.2×10¹⁹ nvt (epi-Cd energy). As a result the parameters σ₀ and k in the Petch relationship increased in magnitude after irradiations exceeding 1×10¹⁷ nvt. Among the materials tested Magnox AL80 was found to be the most sensitive to neutron irradiation and unalloyed magnesium the least effected.
The effect of neutron irradiation on the strain rate (ε) dependence of the tensile stress (σ) was also investigated. The effect of neutron irradiation was to increase A and to decrease B in the equation
σ=A+ ε,
when σ represented the yield stresses.

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The measurement of early mother-child relationship and interaction is a critical issue for infant mental health. The Nursing Child Assessment Teaching Scale (NCATS) has been regarded as one of the most effective assessment tools. A Japanese version (JNCATS) has been developed and its reliability was reported. The purpose of the present study was to show evidence for the validity of the JNCATS by utilizing micro analysis and　sequential analysis of 53 mother-child interactions. Micro analysis is a second-by-second analysis of mother and child behavioral streams. Sequential analysis is a technique to detect mutual and contingent aspects of interaction. Variables obtained from these two methods were: a) probabilities of coding categories, and ) odds ratios of contingency codes, whose correlations with JNCATS scores were examined. Some weak and medium correlations were found (p < .05). It was suggested that these two methods and the JNCATS could capture similar features of motherchild interaction, which provides evidence for the validity of the JNCATS.

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  In the previous report, the author reported that the relationship between the height of a sand specimen and the number of ramming was expressed by the following formula:
    y_x=a+ x
          x : the number of ramming
          y_x: the height of specimen when the number of ramming is x-th.
    a, b : const.
  In this experiment, the effect of mulling time of natural molding sands on the value of a, |b| and ε (= (y₁−y₁₀₎⁄y₁ |b|/a) is studied. By a comparison between the above mentioned effect and the was effect of bond on these values of synthetic molding sands previously gotten the following tendencies should be pointed out : concerning a sand received such sand-treatment that the compression strength of a sand becomes greater, after snch treatment though the value of a of this sand is increased or decreased by a sort of sand, but that of |b| or ε is increased.

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Critical potentials for pitting (E_pit) and crevicice corrosion (E_crev) for type 304 stainless steel have been determined from long-term steady polarization tests in deaerated NaCl solutions as a function of NaCl concentration at 423K. E_pit and E_crev were expressed by the conventional form: E=A- [Cl^-], where A and B in volt vs. SHE were -0.19 and 0.15 for E_pit and -0.20 and 0.10 for E_crev, respectively. The comparison of E_pit with pitting potential (E′_pit) and repassivation potential (E_{R, pit}), which were repeatedly determined from stepwise cyclic polarization tests, showed that E_{R, pit} distributed less nobly than E_pit especially at lower NaCl concentrations and that E_pit could be described as a lower limit of Weibull's distribution function for E′_pit. The similar analysis for crevice corrosion showed that the noblest value of E_{R, crev} for its dependency on corrosion extent corresponded to E_crev but the distribution in E′_crev at different concentrations of NaCl could not be described by the Weibull's function with an identical shape parameter.

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It has been reported by the authors that the estimation of fatigue life of the materials under constant stress amplitude can be made using the liner relation of b/- n/N (where B and b are the initial and the current half-value breadth of diffraction line in fatigue and n/N is the cycle ratio). In the present paper, the following experiments were performed; the first, the experiments were made on the case of varying stress amplitude of two stress levels above fatigue limit and investigated the change of half-value breadth due to varying stress amplitude. The second, the half-value breadth was measured by using satisfactory method in physical meaning and compared with the conventional method which has been adopted in these series of investigations. Finally, discussed on a change of half-value breadth under varying stress amplitude and postulated a certain method for nondestructive estimation of fatigue life.

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In this paper, an approximate equation to represent the relationship between the size of an opening in a far field and shielding effectiveness and an equation to represent the relationship between frequency and shielding effectiveness were developed using the theoretical equation of an evenly distributed opening surface antenna. The insertion loss method was used as a prerequisite for this approximate equation. The formula of an approximate equation is based on the far field, but comparison with the experiment data obtained on a nearfield (electric field and magnetic field) basis revealed that the equation is also applicable to the near field. The following equation that generalizes the coefficients of the approximate expression was therefore obtained. I propose that this equation be used as prediction standard equation. S = A long(a)+ (b)+C a: height of an opening (m) b: width of an opening (m) A, B, C: constant at each electromagnetic field; but in the case of a far field they are frequency logarithmic functions.

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pH-and concentration-dependency of the adsorption of 16 phenolic acids on the three different type clay minerals, allophane (amorphous), halloysite (1: 1 type layer silicate) and illite (2: 1 type layer silicate), were investigated by batch method. Both the equilibrium pHs and concentrations were not kept constant. In order to compare the amount of adsorption at a defined pH and concentration, the two-dimensional.C^k interpolation and the linearly multiple regression equation were applied.
Three types of adsorption characteristics were observed relating to the pH-dependency. A-type showed the maximal adsorption in the region of pH 5 to 7. B-type showed the adsorption decreasing with pH increase. C-type showed the adsorption increasing with pH increase. The two-dimensional C^k interpolation was not applicable in the extrapolate region but applicable in the intrapolate region. The relationship among the amount of adsorption (n:μM/g), equilibrium pH and concentration (C: M) was represented by the following equation:
log (n)=a pH+ (C)+c pHxlog(C)+d pH²+e
where a, b, c, d and e were the inherent constants applied between a phenolic acids and a clay minerals.

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A method for measuring the consecutive adsorption of phenolic acids was devised by using the batch technique. Both the consecutive adsorption and desorption characteristics of three phenolic compounds with one or two salicylic moiety and dierent molecular weights, salicylic acid, 2-hydroxy-3-naphthoic acid sodium salt and naphthochrome green, on allophanic clay were measured by changing pH and concentration.
The halloysitic and illitic clays were used as references. The amounts of adsorbed salicylic acid abruptly increased at relatively high pH conditions after the second repetition, which occured by chelating bondings with the surfaces of allophanic clay. The 2-hydroxy-3-naphthoic acid sodium salt and the naphthochrome green were, however, largely retained at low pH conditions, so the participation of other mechanisms than chelating bondings, such as ionic exchange, hydrogen bonding and/or physical bonding, were estimated.
The pH and concentration (C: M) dependency of the retention (n:μM/g) obeyed the following linearly multiple regression equation:
log (n)=a pH+ (C)+c pH×log (C)+d pH²+e
where a, b, c, d and e were coefficient constants for a combination of a phenolic compounds and a clay sample at each repetition.

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3-フェノキシベンズアミド類縁体をダイコンの種子に浸漬処理すると, 展開した子葉は化合物により異なる白化状態を示した. 子葉の白化状態は2枚の子葉の裏表, 計4面での白化の程度に基づいて三つのパターン (A, B, C) に分類することができた. 化合物の疎水性と白化パターンとの関係を調べると, 疎水性の比較的小さい化合物 (log K_OW2.57～3.89) では2枚の子葉とも全面が白化した (パターンA). 一方, より疎水性の大きい化合物では部分的に白化しただけであり, 1枚の子葉が完全に白化し, もう1枚は周辺だけが白化したもの (パターン, K_OW4.35, 4.43) と, 2枚の子葉とも周辺のみ白化したもの (パターンC, log K_OW4.78, 5.01) に分かれた. 子葉の白化パターンの変化は化合物の疎水性の差に基づいた移行性の違いによって起こっていることが示唆された.

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For studying the pollution by dust in winter season at Tonghua city in China, the measurements of spectral reflectance were carried out to estimate the concentration of dust in the snow deposited on the ground.
In this study, we found the characteristics of spectral reflectance of the snow surface contained with natural minerals and anthropogenic dust. The most effective indices of spectral reflectance for estimating the concentration (mg/cm³) of dust in the snow were dependent on reflectance of visible range (B1) which mean wavelength value of 450 nm, 475 nm and 500 nm. The regression equations for the relationship between BI and concentration (Y) of dust in the snow were expressed in the form of logarithmic expression (Y=a+ (B1)). The correlation coefficients obtained from estimated formula were more than 0.89, and the standard errors of prediction were less than 1.44.
It can concluded that the spectral reflecance method is useful for estimating of the concentration of dust contained in the snow deposited on the ground during winter season in the range 0.5-6.0 mg/cm³ at this area.

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The relations between the power output during exercise and its maximal duration have been investigated on three young male subjects throughout the performance of heavy constant loaded cycling exercises with different intensities, all of which lead to exhaustion during the period from about 20 seconds to about 100 minutes.
The Aerobic Power output (mean total oxygen intake during exercise) develops rapidly with the increase of the maximal duration of exercise amounting to a few minutes in every case, and then, levels off approximately in one case, but declines steadily in the other cases.
The Anaerobic Power output (oxygen debt per endurance time of exercise) decreases rapidly with the increase of the maximal duration of exercise amounting to about 5 minutes, and then decreases slowly.
The relation between the Total Power output (sum of the Aerobic Power output plus the Anaerobic Power output) and its maximal duration is summarized as the two equations : log P = a - b logt, in the case of the t shorter than about 5 minutes, and log P =a′ -

b

′ t, in the case of the t longer than about 5 minutes. Here, P is the Total Power, tis the maximal duration, and a, b, a′ and b′ are constants. In each subject, the values of the constants a and b respectively. are greater than the a′ and b′
The present investigation was supported by a Grant in Aid for the Miscellaneous Scientific Research from the Ministry of Education.

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The purpose of this research is to clarify the factors that promote creation of new outcomes through co-creation activities. The target of this research was Special Interest Group on Crowd Co-Creation Intelligence at The Japanese Society for Artificial Intelligence. The feature of this group is to support creation of co-creation project and to promote activities by combining the academic workshop and social media. The following four data were analyzed; (a) Result of questionnaire conducted after academic workshops, (

) data of social media, (c) The number of new outcomes generated by co-creation activities, (d). Existence of relationships before academic workshop. Each data of (a) to (d) were aggregated for each co-creation project, and Spearman's rank correlation coefficient was calculated. As a results, the following three findings were obtained; 1. Promoting the sharing of participants' activities and interests in the academic workshop activate the number of discussion on social media and increase the number of outcomes generated through co-creation projects, 2. As the number of positive feedback on user activities on social media increases, the number of comments and progress reports on social media increase, as a results outcomes generated through co-creation projects increase, 3. Supporting the activation of discussions on social media increases the number of outcomes generated by co-creation projects.

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The micro-aggregates which were usually known in concerning to the deggregation of soil crumbs or the aggregation of single particles of soils had not been investigated for details. In this paper the authers reported the size distribution and durability of secondary particles as follows : (1) The diameters of secondary particles were from 0.06 mm to 0.02 mm. Two peaks were in the distribution-curves; and the diameter of larger particles were two times as larger as that of the smaller. (2) The durabillity of water-stable aggregates could be designated as follows; W=A/t^b (or log W=a- t). W=soil fraction larger than 0.06 mm (or 0.02 mm), t=time of shaking. (3) Cultivation or air-drying of soils decreased the degree of water stability of soil crumbs. (4) Sub-soils (B-horizon) did not disperse to the diameter as less than 0.02 mm. This was a typical characteristic of sub-soils, different from top-soils (A-horizon).

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