M. Nishida's scientific contributions
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Publications (3)
It is hoped to make it sufficiently clear with this article that it is of fundamental importance that the reverse osmosis membranes and the conditions under which they will operate be appropriately selected. It is obvious that this choice must be made primarily in function of the quality of the water that will be processed in the water treatment pl...
This study explains from the fracture mechanics principles that the common size effect observed in fracture toughness and energy measurements of many engineering materials including concrete, fiber reinforced composites and even coarse-grained ceramics are in fact similar to what has been observed in the well-studied elastic–plastic fracture of met...
CEDEX (Centro de Estudios y Experimentacion de Obras Publicas) and EMALSA (Empresa Mixta de Aguas de Las Palmas, S.A.) had been performing experimental tests for seawater desalination at Las Palmas, Gran Canaria Is., Spain, using a TOYOBO hollow-fiber membrane. A Hollosep HM10255FI module made by TOYOBO is used in the largest desalination plants ar...
Citations
... However, geometrically similar specimens and curve fitting are necessary for the SEM. In addition, Hu et al. [40][41][42] proposed a boundary effect model (BEM) which reveals that the interaction between the fracture process zone and boundaries of specimen leads to the size effect on the fracture parameters. Subsequently, the BEM was developed to determine the sizeindependent tensile strength and the fracture toughness of granite [43,44] and concrete [45][46][47] considering heterogeneous and discontinuous characteristics of concrete. ...
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... A comparison of the desalination performance of a modified PBI HF and a commercial HF module (made by Toyobo) is shown in Figure 12. The Toyobo product is Hollosep MH10255FI membrane, and its permeability is calculated according to the reported A value (1.5 × 10 −6 cm 3 /cm 2 s·[kg/cm 2 ]) [36]. Both our modified PBI HF and the Hollosep provide over 99% salt rejection and their water permeability is comparable. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/278499668578304-1443410903269_Q64/Alex-Nunez.jpg)
