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The daily mean temperature in different time sections had different effects on the five characters during the milking and mature period.Protein content,contents of albumin and glotelin were affected by temperature greatly in the early and middle stages of the milking and mature period,but the contents of globulin and prolamine were affected in the middle and late stages.

灌浆成熟期不同时段的温度对这5个性状影响各不相同,灌浆成熟期间前、中期温度对蛋白质含量、清蛋白含量和谷蛋白含量影响大,灌浆成熟期间中、后期温度对球蛋白含量和醇溶蛋白含量影响大。

Multiplication rate achieved with solid/liquid alternate manner. 7. The late stage proembryos were induced in EC of multiplication medium with 9,000 mg·L-1myo–inositol and 0.1 mg·L-1 IBA.

含有50 g·L~(-1)蔗糖和0.1 mg·L~(-1)IBA的DCR1培养基最适合白皮松体细胞胚的成熟诱导,该组合明显提高了白皮松体细胞胚的成熟频率。

It is necessary to develop a protein-free media for oocytes maturation that can prevent zona hardening. In this study, immature macaque oocytes were cultured in modified CMRL media alone or CMRL with either bovine calf serum or PVA for 24 hours. Also, in vivo matured oocytes were cultured in CMRL supplemented with PVA or serum for approximately 6 hours.

我们在本研究中,将非成熟的猕猴卵母细胞分别在改良的CMRL,或在含有胎牛血清或聚乙烯醇的改良CMRL培养基中培养24小时;同时,将体内成熟的卵母细胞分别在含有PVA或者胎牛血清的CMRL中培养6小时,然后进行体外授精,比较各组间精子穿透率或受精,以及胚胎发育情况。

Histologically, the seminiferous tubules contained numerous Sertoli cells and more Sertoli-spermatozoa complexes, accompanied by the depletion of Leydig cells with deeply stained nuclei. Mature spermatozoa were stored up in the epididymis, but only a few in the efferent ducts. In the second place was testicular atrophy(32/120; 26.7%). The seminiferous tubules showed moderate to severe inactivity of spermiogenesis with evidence of only spermatogonia, spermatocytes and Sertoli cells. The Leydig cells were obviously decreased in numbers associated with decrease of lipid droplets in their cytoplasms. Testicular hypoplasia was the third disorders(22/120; 18.3%). Only a few spermatogonia and Sertoli cells appeared without any spermiogenesis. The associated changes was decreased in Leydig cells and fibrous hyperplasia in the interstitium.Epididymal stones were sometimes found(12/120; 10%). Grossly, yellowish-white nodules with various sizes and firm in consistency were observed in the epididymis and the front efferent ducts. Microscopically, the epididymal ducts were dilated with voluminous spermatozoa storage, even showed calcification in severe cases. The deposited calcium salts were stained positively by Von Kossa and Alizarin red methods.Amyloidosis was also detected in 10 roosters(8.3%). Eosinophilic, homogeneous, amyloid-like substances were deposited mainly in the testicular interstitium and the periphery of blood vessels. These substances showed positive reaction by Congo red staining. Five roosters(4.2%)had Marek's lesions in the testis, epididymis and peripheral nerves with infiltration of pleomorphic lymphocytes. Only one case showed epithelial necrosis of seminiferous tubules accompanied by fibrous proliferation in the interstitium.

结果发现,在总共搜集的120个病例中,其中因年老所导致的产精力不佳为最多,占38例(31.7%),於镜下可见大量精虫黏附於Sertoli cell的表面,并可见Sertoli cell数量明显增多而Leydig cell明显减少,且其细胞核呈现浓染的现象,而在其副睪中仍可见到成熟精虫蓄留於管腔中,但在其输精管内却只有少量精虫存在;其次为睪丸萎缩,占32例(26.7%),镜下可见中度至重度无造精作用,其生精小管中只见到精母细胞、精原细胞及Sertoli cell存在,但Leydig cell数量明显减少且其细胞质内的脂质也明显减少;睪丸发育不全,占22例(18.3%),於生精小管内只见到精母细胞及少量Sertoli cell存在,不见造精细胞分化,於生精小管间质可见Leydig cell减少并伴随结缔组织增生;副睪结石,占12例(10%),肉眼下可在副睪及输精管前段见到黄白色大小不一的结节,触感坚硬,於镜下可见副睪管扩张并有大量成熟精虫蓄积,严重时可见钙化现象,以Von Kossa及茜素红染色均呈阳性反应;类淀粉沉著症,占10例(8.3%),镜下在睪丸间质及血管周围可见粉红均质样的物质沉积,以刚果红染色成阳性反应;马立克病,占5例(4.2%),镜下可在睪丸、副睪实质及周边神经内均可见到嗜碱性大小不一的淋巴样细胞浸润;睪丸坏死,占1例(0.8%),镜下可见生精小管上皮细胞坏死脱落及间质结缔组织增生。

The confirmation method of mature level in uneven-aged forest is an insoluble problem both in forestry theory and forestry production at present.

以林木经济成熟径级确定为例,通过径级价值量被其径级材积除的模式转换办法,解析异龄林林木成熟的确定方法,进而为改善林业生产中异龄林采伐的盲目性提供依据。

Membrane potential, intracellular Na+, K+, Cl, H+ activities and Na+, K+ transference number in toad oocytes were measured in vitro by using conventional and ion-sensitive microelectrodes during the insulin-induced oocyte maturation.

近年来,胰岛素及胰岛素样肤类物质在卵母细胞成熟中的作用越来越引起人们的关注。EI一Etr等(1979)用非洲爪蟾卵母细胞作实验,发现胰岛素及其类似物具有促进卵母细胞成熟分裂的作用。

Similar δD values of n-alkanes in samples in different maturity stages indicate that effect of thermal maturity on δD values of n-alkanes is not significant during the stages from immaturity to maturity, therefore, it can be used as a useful auxiliary tool for oil/source correlation.

生物标志化合物和正构烷烃的碳氢同位素组成特征表明,在未成熟成熟阶段正构烷烃的单体氢同位素组成受热成熟度的影响不明显,可以作为油源对比的一个有用的辅助指标。

Main physiological and biochemical parameters were studied in different mature stage and during ripening and senescence of tomato and strawberry fruits at pink stage after harvest under low and normal temperature.

中文题名Ca2+、CaM及其目标酶与乙烯诱导番茄和草莓果实成熟衰老关系的研究副题名外文题名 Studies of relationship between Ca2+,CaM,its target enzymes and ethylene inducing maturation,ripening and senescence of tomato and strawberry fruits 论文作者顾采琴导师席玙芳李广敏学科专业食品科学研究领域\研究方向学位级别博士学位授予单位浙江大学学位授予日期2003 论文页码总数117页关键词果实植物生理学番茄草莓乙烯馆藏号BSLW /2003 /Q945 /34 研究了跃变型果实番茄和非跃型果实草莓不同成熟度以及粉红期两种果实采后置于低温和常温下后熟衰老过程中与成熟衰老有关的主要生理生化指标的变化。

Stand in different growth period by weibull distribution function.(6) Height and diameter of a tree are two factors to show growth in upright and cross. When they are young, the ratio of height and diameter is more than 1. It shows the fact that natural stand, especially natural sprout forest grows fast in early period. Later, with the age increasing, the ratio of height and diameter gradually reduces. In nearly mature stand and mature stand, increment of diameter is over increment of height.

5树高和直径是表明林木纵向生长和横向生长的两个特征因子,在幼龄阶段,高径比大于1,说明天然林,尤其是天然萌生林早期高生长快的特点,此后随着年龄的增加,高径比逐渐减小,在近成熟成熟阶段,直径生长量超过树高生长量。

Enlightenment is man's leaving his self-caused immaturity.

启蒙是指人类摆脱自发的不成熟,不成熟是指人类不能离开别人的指引而利用自己的智慧

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

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