head density 中文意思是什麼
head density
解釋
穗的密度-
Some tendency of tn5gusa5 transposition were found that all preferred sites of tn5gusa5 in xcc 8004 genomic dna are in at - rich regions ; target sequences of tn5gusa5 have some features that the probabilities of guanine and cytosine are high respectively at the head and tail base of target sequence ; the level of gene transcription does not influence insertion density of tn5gusa5 significantly
結果表明， tn5gusa5插入位點有一定的規律性： tn5gusa5在xcc8004基因組上傾向于插入低gc含量（ 50左右的區域插入密度最高）區段；插入位點的靶序列有一定的特異性，在靶序列的首位鳥嘌呤出現的幾率高，而在靶序列的末位胞嘧啶出現幾率高； tn5gusa5的插入密度與該區段基因的轉錄水平無明顯關系。 -
The main achievements are as follows : it is verified that there is an unique mean square solution to the stochastic surge model ; the formulas for probability density function of head loss and the maximum relative surge level were deduced ; the joint probability density function for solving surge process and the mean head process of simple hydraulic system were also derived
主要研究成果有：證明了調壓室涌浪隨機模型存在唯一的均方解；推導出了水頭損失和最大相對涌浪值的密度函數計算公式；求解了調壓室涌浪解過程的聯合密度函數和簡單水力系統的水頭均值過程等。 -
Low rainfall and high population density mean the south east of england has less water per head than sudan. it ' s a crisis, there ' s no question about that, " said peter ainsworth, the conservatives " shadow environment secretary
一些機構和人士還建議在英國實施北水南調工程，將降水較多地區的河水逐步引入降水相對較少的東南部地區，以緩解那裡的「水危機」 。 -
The current trends of this field is to acquire the current density of dipole distribution rather than a few dipoles. based upon that, a new model was proposed - dipole layer localization method ( dllm ) : spherical dipole layer was used as source model, on which dipoles were distributed by equilateral triangles ; three concentric inhomogeneous sphere was used as head model, which contains scalp, skull and cortex with different conductance. the dipole distribution and scalp potential tomography were obtained with singular value decomposition ( svd )
鑒于該領域的研究趨勢已從求取少數偶極子過渡到偶極子分佈密度的獲得，本文提出了新的模型? ?偶極面定位方法（ dipolelayerlocalizationmethod ， dllm ） ：以等邊三角形均勻分佈的偶極子構成的偶極面（球面）作為源模型；包括頭皮、顱骨和皮層的三層同心介質球作為頭顱模型，運用奇異值分解來求解逆問題，從而獲得偶極子分佈和頭皮電位分佈，實現三維成像。 -
Gmr head technology - increased areal density and improved performance
大型磁阻磁頭gmr head技術-增加磁錄密度及改善性能 -
Bone mineral density of the lumbar vertebrae and proximal femur head due to steroid - induced osteonecrosis
激素性股骨頭缺血壞死患者腰椎及股骨近端骨密度研究 -
Apply the new type touch head structure to vacuum interrupter, make the product of trying on. the comparative test in combination circuit was carried on between the new touch head structure product and the original structure product. the result of test indicated that the vacuum interrupter based cup form horizontal magnetic field touch head structure has greater improvement in the performance of turning on current density than the original structure
將該觸頭結構應用於現行的真空滅弧室中，製成試品，在合成迴路與原結構產品進行了比較性試驗，試驗結果表明，採用該杯狀縱磁場觸頭結構的真空滅弧室其電流開斷密度較原結構有較大的提高。 -
The holographic disc storage technology, which has the properties of simplicity in optical read - write head and the compatibility with existing disc system, is more suitable for the application of high - density and mass - capacity data storage
三維盤式全息存儲方案以其相對簡單的光路讀寫機構以及與現有光盤系統的兼容性，更適合大容量數據存儲的應用，因而也更具實用意義。 -
Fig. 1 ct of the head showing left basal ganglin hematoma with well - defined borders and low - density and and mixed densities areas around the hematoma
1頭顱ct見左基底節腦內血腫，邊界清，血腫周圍見低密度及混雜密度區
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