Soil deposition over coral reefs in Okinawa Island, Japan is a major environmental problem as the accumulation of soil sedinients could damage the reefs. Multitemporal Landsat Thematic Mapper (TM) data was used to estimate the aerial distribution of deposits since 1985. Spectral response patterns of TM bands were investigated and response pattems of deposited red soil and other coverages were established using reference samples.Procedure to establish these patterns, and estimation of aerial sedimentation of soil in time scale is presented.
Although adenosquamous cell lung cancer (ASCLC) is included in the non-small-cell lung cancers (NSCLCs), the number of currently available studies on the response of this type of cancer to epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) is limited. This is the case report of a 66-year-old female who was referred to the Mito Medical Center (Mito, Japan) with hemoptysis and the chest computed tomography (CT) scan revealed a large cavitary mass in the lower lobe of the left lung. The patient underwent surgical resection of the lesion and the final pathological diagnosis was ASCLC staged as pT2bN2M0. Notably, an EGFR exon 19 deletion was identified in the adenocarcinomatous as well as the squamous cell carcinomatous components of the tumor. Despite adjuvant chemotherapy, the patient developed small cavitary metastases in the lungs bilaterally. Therefore, treatment with gefitinib was initiated. The chest CT scan revealed substantial regression of the metastatic cavitary tumors in both lungs, with thinning of the walls. The patient remains alive and recurrence-free 19 months following the initiation of gefitinib therapy. This case demonstrated an optimal clinical response to gefitinib treatment for EGFR mutation-positive ASCLC, suggesting that gefitinib is a therapeutic option for such a subset of patients with ASCLC.
In this paper, a rudder control law fbr unstable ship ミ has been developed and ship handling characteristics toward position control of unstable ships have been discussed . Like practical ship handling , the control law has two elements . One of them controls a rudder angle to correct tuming speed , lateral deviation and heading d巳viation from a planned course . The other decides timing of an altering course . Each of the control constants which are contained in the control law has been estimated from ship ha 皿 dling experiments by licensed mariners . The control law has enabled us to estimate results of ship handling in narrow waterways by humans and it has furtherrnore led to the result that when ship , s length is three hundred meters or more , a rudder angle to check turning speed increases sharply with increasing spiral loop width . Keywords : ship maneuverability , unstable ship , standardfor ship manoeuvrabitity
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