University-Industry Cooperation Group of Kyung Hee University

Leaders Chemical Co., Ltd.

Hyun Jong Cho

Sung Hoon Lee

Sung Jin Lee

Hun Kuk Park

Ki Ho Park

Sam Jin Choi

Sung Vin Yim

You Jin Cheong

Ok Kyun Kim

Disclosed herein are matrix-type, controlled-release granular compound fertilizer and a method for preparing the same. The method comprises: mixing a natural or synthetic polymer as a binder with a nutrient-absorbent, bulking agent to give a mixture, and drying and pulverizing the mixture to afford a nutrient-absorbent supplement; and evenly blending the nutrient-absorbent supplement with a fertilizer ingredient and drying the blend.

Method for manufacturing sustained-release matrix-type granular complex fertilizer and matrix-type granular complex fertilizer obtained therefrom

The present invention relates to an orthodontic force measuring device using a typodont and a load cell, and more particularly, to an orthodontic force measuring device using a typodont and a load cell, which connects an orthodontic application wire to a typodont, employs a load cell to measure an orthodontic force, reduces measurement error which may occur in a measurement method based on an image, precisely measures an orthodontic force, and measures an orthodontic force in a three-dimensional manner.

Orthodontic force-measuring device using a typodont and a load cell

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Gyeongsangbuk-do, South Korea

Hyun Jong Cho