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By developing the optional measurement condition for ruminal fermentation products and comparing the effects of different levels of tannic acid on fermentation and methane production, the proper adding levels of tannic acid in vitro was established. We also examined the characteristics of rumen fluid fermentation and methane production of tannic acid unsupplemented or supplemented with different forage : concentrate ratios by using gas production method.

通过对瘤胃体外发酵系统中单宁酸的生物降解以及对瘤胃内环境影响的研究，初步确立了单宁酸改善瘤胃发酵的适宜添加量及其效果；并探讨了在不同精粗比底物条件下单宁酸对瘤胃体外发酵和甲烷产量的作用。

When we conducted a chemical assay of the uropygial preen gland secretions, we found 4 times more volatile octadecanol, nonadecanol, and eicosanol in ratios in males than in females, making them putative male pheromone candidates.

在这篇文章中，研究人员选取全世界最为广泛的笼养鸟和模式实验鸟－虎皮鹦鹉作为实验对象，利用传统的双向选择和GC-MS分析方法，证明鸟类确实存在&性信息素的通讯&。

When we conducted a chemical assay of the uropygial preen gland secretions, we found 4 times more volatile octadecanol, nonadecanol, and eicosanol in ratios in males than in females, making them putative male pheromone candidates.

在这篇文章中，研究人员选取全世界最为普遍的笼养鸟和模式实验鸟－虎皮鹦鹉作为实验对象，利用传统的双向选择和GC-MS分析方法，证明鸟类确实存在&性信息素的通讯&。

When we conducted a chemical assay of the uropygial preen gland secretions, we found 4 times more volatile octadecanol, nonadecanol, and eicosanol in ratios in males than in females, making them putative male pheromone candidates.

在这篇文章中，研究人员选取全世界最为普遍的笼养鸟和模式实验鸟－虎皮鹦鹉作为实验对于象，利用传统的双向选择和GD-MS分析方法，证明鸟类确实存在&性信息素的通信&。

In an outdoor controllable experiment, the effects of different TN:TP ratios (12.5:1, 25:1, and 50:1) in eutrophic water on the growth of Vallisneria spiralis were investigated.

在室外受控实验条件下，研究了富营养水体中不同氮磷比(12.5：1、25：1、50：1)对苦草生长的影响。

Veratryl alcohol could stimulate the oxidation of PR catalyzed by LiP, especially at higher molar ratios of H2O2 to PR, however, PR inhibited the LiP catalyzed oxidation of VA.

藜芦醇对LiP催化氧化PR的反应有促进作用，尤其是当H202与PR的摩尔比较高时这种促进作用更为明显；然而PR对LiP催化氧化VA的反应却有抑制作用。

For the ALI dogs, during PAV, different assist ratios had much influence on airway pressure and WOB, and less influence on hemodynamics.

在ALI犬中，不同的辅助比例对气道压力和呼吸功影响较大，对血流动力学影响较小。

Resin and solvent varieties of different ratios, you can decide on innovativeink of matastatic, xerotic, holdout fastness of omniberaing performance indicator.

树脂和溶剂品栽和配比的不差别，可以不决油不朱的迁徙性、潮干性、不朱层牢量等各栽本能机能指标。

The sex ratios of female-male SSB from rice and Zizania fields were 1∶1.44 and close to 1∶1 respectively.

水稻田二化螟羽化成虫的雌雄性比为1∶1.44，而茭白田二化螟则接近1∶1。

The challenging features most strongly associated with major complications were mature 4+ nuclear sclerotic cataracts and zonular pathology (antecedent trauma and pseudoexfoliation), which had odds ratios of 18.9 (95% CI, 3.1-117, P=0.002) and 26.2 (95% CI, 4.3-159, P=0.003), respectively.

与主要并发症关系最为密切的疑难杂症特征是成熟期4级晶核硬度和韧带病理因素（前期损伤和假鳞片样脱皮），优势率分别为18.9（95%的可信区间，3.1-117， P=0.002）和26.2（95%的可信区间，4.3-159， P=0.003）。

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。