黑鈣土 的英文怎麼說
中文拼音 [hēigàitǔ]-
Taiping maifan mineral contacts with migmatitic granite and grandiosity, the mother rock is granite which include a lot of potassium elements and the major mineral of maifan stone is plagiocase, k - feldspar, minor mineral is biotite, muscovite, quartz and so on.,
麥飯石的主要礦物為斜長石、鉀長石，次生礦物為黑雲母、白雲母、石英等，巖石化學類型屬鈣堿系列，主要微量元素和稀土元素均與中華麥飯石相近。The 102 strains which can produce hydrolyzed circles were obtained using alternative medium containing phytate - calcium. after being isolated and purified, these strains were inoculated into fermented medium, shaking in 28 c at 220r / min for 5 days, then their enzymatic activities were determined by ammonium molybdate - phosphate colorimertry under the condition of 37 cand ph2. 5. the result showed there were 24 strains with higher enzymatic activities among the 102 strains, after the rescreening, 7 strains were gained with enzymatic activities beyond 15u / ml and stable ability of producing acidic phytase, of which, enzymatic activity of the strain 14 was the highest, reaching 53. 86u / ml, and it was preliminarilly identified as aspergillus. niger, then numbered as aspergillus. niger 14
用植酸鈣選擇性平板培養基從土樣中篩選出了102株能產透明圈的菌株，經分離純化后，接入液體發酵培養基， 28 、 220r min發酵5天，在37 、 ph2 . 5條件下用釩鉬酸銨法測定其所產植酸酶的活力，結果顯示，酶活較高的有24株，經再次搖瓶復篩后，酶活大於15u ml且產酶性能穩定的共有7株，其中以14 ~ #菌株的酶活最高，可達53 . 86u ml ，經初步鑒定為黑麴黴，編號為aspergillus . niger14 ~ # 。
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