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The kinetics of soil urease differed with soil types. The urease in black soil and albic soil had larger values of Km and V than those in brown soil and cinnamon soil, but V/ Km had no significant differences, indicating that the kinetic parameters of soil urease were significantly influenced by soil type.

黑土和白浆土脲酶Km和V值比棕壤、褐土大，而V/Km的变化不明显，说明土壤类型对脲酶动力学参数有显著影响。

Charge/discharge results revealed that one potential plateau at about 0.22 V is observed in all cases in the first cycle, and is shifted to 0.4 V in the second cycle. There appears no obvious decreasing for gravitational specific capacity after 70 cycles for Sn-Co alloy on rough copper foil, which is better than that of Sn-Co alloy on smooth copper sheet.

充放电测试结果表明，光滑铜片和粗糙铜箔上电镀制得的锡钴合金在首次放电过程中均在0.22 V附近给出一个较长的放电电位平台，并在随后的循环中逐渐正移至0.4 V附近。

With a peak-peak of rectangular asymmetric waveform voltage up to 1 600 V, a frequency of 195.8 kHz, a duty cycle of 30% and a compenstaion voltage of-8.63 V, the acetone displacement is compensated and the sensor ability to separate ions is demonstrated by an experiment using the planar copper drift tube.

当方波非对称射频电压峰峰值为1 600 V，频率为195.8 kHz，占空比为30%，补偿电压为-8.63 V时，采用平板铜块迁移区实现了丙酮离子的位移补偿，实验结果验证了传感器的性能。

The V chord is very up tight and you want to get back to the I, so you play the V and then try the IV each for one bar and then drop back to the I chord.

由于V级和弦非常具有压迫感，你又想回到I级，于是演奏一个小节V级后，再加一个小节IV级的过渡，又重新回到I级。

Under normal temperature (25-30℃), the process of pollen mother cell meiosis is normal; The most of chromosomes become bivalents which like "V","O","Y","X", sticks and dots, and mainly like dots,"V" and "O"; and a few of univalent (0.79% of Tainong 1 and 0 of Irwin) and multivalent (4.76% of Tainong 1 and 3.57% of Irwin) had been observed.

常温（25~30℃）条件下，花粉母细胞减数分裂过程较为正常，双线期染色体主要形成二价体，二价体构型以&V&型、&O&型、&Y&型、&X&型、点状和棒状等形式存在，并以点状、&V&型和&O&型较多见，出现少量的单价体和多价体，其中台农1号为0.79%和4.76%，Irwin为0和3.57%；同时仅在少量中期Ⅱ和后期Ⅱ花粉母细胞中观察到落后染色体。

And the frequency of TCR VγⅢ in CP and CR patients is markedly lower than that from healthy adults（P=0.013,P=0.043）. The most frequency used VγⅡsubfamily of clonally expanded T-cells were identified in both CP and CR patients.

CP和CR期病人TCR VγⅢ的表达率明显低于健康对照组（2.9±0.32）（P=0.013，P=0.043），基因扫描显示CML-CP 和CML-CR出现克隆模式的改变主要集中在TCR VγⅡ亚家族。

The influence of V and Cr content on the hydrogen storage properties of TiVCr based alloys was investigated. The desorbing plateau pressure of the alloys decreased slightly and the capacity of absorption and desorption increased slightly with increasing V content.

为此研究了钛钒铬基合金中V、Cr含量对贮氢性能的影响，结果表明：随着金属元素V含量的增加，合金的放氢平台压力略有降低和吸放氢量略有增大。

Methods: Electrets Teflon PTFE,±300 V,±1 000 V were used to treat 3T3 cells for 24, 48 and 72 h. Then the influences of electrets on cell cycle and surface charge of 3T3 cells were studied by flow cytometry and electrophoresis, respectively.

选用±300 V和±1 000 V驻极体分别作用成纤维细胞24、48和72 h，用流式细胞术和细胞电泳技术测定成纤维细胞的生长周期和细胞表面电荷。

Methods: After 48 h action of -300 V and -500 V electrets in 3T3 cells, CaCl2, A23187, EDTA were added in proper order to 3T3 cells. The levels of intracellular Ca2+ and the cell number of apoptosis were detected with flow cytometry.

选用-300 V和-500 V 驻极体作用3T3细胞48 h，即时依次加入CaCl2、A23187、EDTA，通过流式细胞术检测细胞内Ca2+浓度的变化和3T3细胞的凋亡量。

The herbicides in the sample was extracted with ethyl acetate. The extract was decanted into a flask through a filter paper, then the filtered solution was concentrated to dry. The dry sample was dissolved and added to 5 mL with acetone-n-hexane (30:70, V/V). It was cleaned up by Florisil, concentrated again. The sample was dissolved and adjusted to 1mL with acetone.

匀浆后的草莓试样用乙酸乙酯进行提取，提取液经滤纸过滤后收集，再浓缩蒸干，用丙酮：正己烷(30：70， V/V)溶液溶解至5ml，经Florisil固相萃取柱净化，吹干后用丙酮定容，供气相色谱－质谱联用仪进行测定。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。