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The overwhelming majority of soil physical, chemical and biological quality indicators increased incipiently and decreased subsequently with the increasing of dam land and terrace use years. They have been degenerate state and degradation will be lasted.

坝地和梯田绝大多数土壤物理、化学和生物学质量指标随着经营时间的延续均经历了先逐渐升高后缓慢降低的演变过程,现已处于衰退并将持续衰退的状态。

Following the puncture of zona pellucida with two holes by injection pipette that contained donor nuclei or cells, the injection pipette was pulled back to the perivitelline space while the negative pressure was increased in the holding pipette until the polar body and karyoplasm were wiped off completely. Then a reconstructed embryo was completed by the direct injection of the donor nucleus or cell without pulling out the injection pipette.

首先以预先吸有细胞核或细胞的注射针在固定于持卵针上的卵母细胞透明带上穿刺两个孔,然后一边缓慢地将注射针回拔至卵周隙中,一边逐渐增加持卵针中的负压,直至极体与目标核质被完整吸入持卵针中而完成去核,最后在不拔出注射针的情况下直接注射细胞核或完整细胞进而完成重构胚的构建。

As I gradually got used to the slow-paced lifestyle in Africa, none of the wild visions I had on the plane materialized.

当我逐渐习惯於南非这种缓慢节奏的生活方式之后,我当初在飞机上的那些遐想没有一样出现在现实生活当中。

The four sets of stator bars including those retired from three large generators and the standby bar subjected to Dynamic Mechanical Analysis, Scanning Electron Microscopic and optical microscope observation. It was revealed from DMA that the peak value tan d m of mechanical loss thermogram tan d ~ T shift toward a higher temperature and a lower amplitude, indicating that the amount of movement monomers diminished greatly in the insulation aging process, the tan d 195, increased very slightly with the service time of insulation, showing the degrading of bonding properties at interface, and the presence of more defects in insulation. The observation of SEM and optical microscope showed that more and more voids appears in insulation, and delamination was formed due to development of voids in aging process.

对不同运行年数的线棒进行了 DMA 、 SEM 、光学显微镜等微观分析试验,动态力学分析发现(参见 Hao et al, CEIDP, 2002:404),力学损耗温度谱 tan d ~ T 的峰值 tan d m 随老化时间向高温、低值方向移动,表明促成环氧发生玻璃化转变的活性侧基或发生局部运动的活性链段减少,分子链的刚性增强;195℃的力学损耗 tan d 195随老化时间有缓慢增大的趋势,表明有更多的能量耗散在界面处,界面的粘合性变差,甚至由于界面粘结不良出现微观缺陷; SEM 和光学显微分析发现(参见 Hao et al-2, IEEE DEI, 2003),老化后的绝缘气隙增多,随着老化时间气隙不断扩展或相互连通,绝缘逐渐分层。

The aberrant phenotypes were observed in the anther of tobaccotransformed with ZM401 sense construct: the inflorescence growth and floral axiselongation are suppressed; the flower buds falling or flowers abscission earlier wereobserved. The degradation of tapetum are not observed at the binucleate pollen stagewhich corresponds to the mature stage, although the tapetal cells of untransformedtobacco anther at the same stage have already degenerated completely anddisappeared.

对转基因烟草进行形态学、组织学分析结果表明,ZM401基因以反向方式整合的转基因烟草表现一切正常,而含有ZM401正义基因的转基因烟草在表型和组织学上都出现了异常:花序生长缓慢,花序轴变短,生长过程中花逐渐脱落,花序轴褐化枯死;花药绒毡层退化延迟,药室内壁在雄配子体发育后期不能进行带状加厚,阻碍了花粉粒的释放。

Strains YL001 and YL002 formed a monophyletic clade with strains of X. nematophilus with sequence homology outweighing 99% and the sequence homology to genus Photorhabdus outweighing 94%. The lag, logarithmic, stationary and contabescence phase of the two bacteria were 0-6, 6-18, 18-66 and 66 h respectively; pH of strains YL001 and YL002 reduced to 5.70 and 5.56 at 12 h, respectively, and then rose gradually to 7.74 and 8.07 respectively when culture finished. Glucose content reduced quickly during 0-18 h, and then kept stable. Amido nitrogen content reached the lowest at 12 h and then rose slowly. YL001 exhibited the highest inhibitory effects at 54 h and YL002 exhibited highest inhibitory effects at 42 and 66 h respectively on B. cirerea and B. subtilis. Strains YL001 and YL002 belonged to X.

YL001和YL002菌株与嗜线虫致病杆菌种内菌株形成一个类群,序列同源性大于99%,与发光杆菌属内菌株的序列同源性大于94%。2菌株的延缓期、对数生长期、稳定期和衰亡期分别为0~6,6~18,18~66和66 h;培养12 h后,YL001和YL002菌株发酵液的pH值分别降低至5.70和5.56,此后逐渐上升,至发酵结束时其pH值分别为7.74和8.07;培养0~18 h时2菌株发酵液中还原糖含量迅速降低,此后保持稳定;12 h时氨基氮含量达到最低,此后开始缓慢上升;YL001菌株培养54 h后及YL002菌株培养42和66 h后,其对番茄灰霉病菌和枯草芽孢杆菌的抑制作用最强。

Objective: Parkinson's disease , a parapymmid progressive neurodegenerative diseases in centre nerve system , always invades middle-ages and older people and cause their disables.

目的 帕金森病是一种常见的缓慢进展的中枢神经系统变性疾病,主要见于中老年人,是中老年人致残的主要原因之一,随年龄增长其患病率逐渐增高。

Adjusting the packing 1 Pump packing (1) continue to hand tighten the squeeze cap nut;(2) after opening the pump, adjust the gland nut, this time to allow a little more leakage;(3) slowly tighten the squeeze cap nut, gradually reduce the leak until the leak to an acceptable level;(4) If the disclosure of a sudden stop, should be back to tighten the gland nut, packing re-adjustment in order to prevent overheating;(5) adjust the leakage rate can reach a steady state.

泵用盘根(1)继续用手拧紧压盖螺母;(2)开泵后,调整压盖螺母,此时截止阀允许有稍多的泄漏;(3)缓慢地拧紧压盖螺母,逐渐减少泄漏,直到泄漏达到可接受的程度;(4)如果泄露突然停止,应回拧压盖螺母,重新调节以防止盘根过热;(5)调节泄漏率达到一个稳定状态即可。

The railway container transport of our country gathers many advantages for the development of the logistics of railroad freight transportation, but it also exists many shortage, and they repress deeply the development of the logistics of railroad freight transportation and the railway container transport itself, making its carrying capacity increased slow and the quota occupied reduces gradually.

我国铁路集装箱运输为铁路货运物流的发展积累了许多优势,但是铁路集装箱运输也存在着许多不足,这些不足之处大大抑制了铁路货运物流以及铁路集装箱运输自身的发展,使其运量增长缓慢,且所占份额逐渐减少。

His movements, slow at first, gradually became faster and more dance like as he flung black, white, and rust colored paint onto the canvas.

他的动作,首先缓慢,逐渐变得更快,更喜欢跳舞,他在画布上偏远黑,白,铁锈色的漆。

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从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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