droop-isoch switch

Causes and Countermeasures for the Decrease of Milk Fat Percentage in Dairy Cows;

奶牛乳脂率下降的原因與對策

Prevention of direct current insulation decrease in electric system;

電力系統直流絕緣下降及防范探討

2%;and the pH was decreased in the sludge reduction process.

實驗研究發現,在堿性環境中臭氧破解污泥的效果下降;將污泥pH調至11,24 h后,MLSS減少率=38。

Global convergence or a class of conjugate descent algorithm;

一族共扼下降算法的全局收斂性

F is adescent of f.

對于一類N維單位體到自身的連續映射f,我們利用了f的下降F以及Sharkovskii定理給出了這種映射有素周期點的一個必要條件———設F是f的下降,如果f有素周期點,則存在x∈Ω(f),使x是準周期點,但不是周期點。

The problem of environment caused by groundwater level continuous decline in the inland basins of arid area, Northwest China ——an example in middle reaches of Heihe river basin;

干旱區內陸平原地下水持續下降及引起的環境問題——以河西走廊黑河流域中游地區為例

A comparison of these statistics shows that every time there was one or two items of our students physical quality stop or decline.

從1979年至今我國已進行了六次大規模的學生體質健康調查,調查數據前后比較顯示,我國學生的體能素質每次調查都有一到兩項出現停滯或下降,到2002年我國學生的體能素質已經持續出現全面下降的趨勢。

Excessive sand digging from the riverbed and runoff decline was mainly responsible for the dro.

結果表明,近十多年來,南港低潮位持續下降,而高潮位變化不大,2005年平均潮差達4。