Available publications report the most sensitive value for oral 50% lethal dose (LD50 is the amount that kills one-half of the tested animals) is 3, 161 mg/kg bw/d in rats.5, 6 The most recently reported no-observed-adverse-effect-levels are 63 mg/kg bw/d (13 weeks, oral with feed, in rats 240 mg/kg bw/d (28 days, oral with feed, in rats 417 mg/kg bw/d (14 days, oral with feed, in rats and 1, 600 mg/kg bw/d (13 weeks, oral with feed, in mice).6 In addition, the most sensitive calculated NOAELs for oral reproductive and developmental toxicity in rats are 400 mg/kg bw/d and 1, 060 mg/kg bw/d, respectively.5, 6 The most commonly observed toxic effects in animal experiments where melamine was administered orally include: reduced food consumption, body weight loss, bladder stones, crystalluria, epithelial hyperplasia of urinary bladder, and lowered survival rate.
可用的公开出版物报告称以老鼠的最敏感的口服半数致使量（ LD50半数致使量是指能杀使一半试验动物的量）是3161毫克/公斤体重/每天。最新的报告出来的无害作用剂量分别是是63毫克/公斤体重/天（13周，口服，用老鼠试验）；240毫克/公斤体重/天(28天，口服，用老鼠试验)；417毫克/公斤体重/天（14天，口服，用老鼠试验）；和1600毫克/公斤体重/天（13周，口服，用 mice 试验）（不清楚 rat 和 mice 的区别，mice 比 rat 大？哪位给说明一下吧。）另外，经推算得出的最敏感的 NOAELS 值对于生殖发育期的母鼠而言为400毫克/公斤体重/天，对于胎儿鼠为1060毫克/公斤体重/天。最常见的动物口服三聚氰胺影响试验观察结果包括：食量减少，体重减轻，膀胱结石，结晶尿，膀胱上皮细胞增生和成活率降低。
The reproductive value of an individual of age x is the number of offspring that individual is expected to produce in the immediate future plus those expected over its remaining lifespan.
年龄x的个体的生殖价是该个体马上要生产的后代数量加上预期的其在以后的生命过程中要生产的后代数量。
Reproductive values The reproductive value of an individual of age x is the number of offspring that individual is expected to produce in the immediate future plus those expected over its remaining lifespan.
生殖价 年龄x的个体的生殖价是该个体马上要生产的后代数量加上预期的其在以后的生命过程中要生产的后代数量。
This reproductive strategy is a response to the environmental selection pressure, and makes its life history more adaptive value
秦岭金丝猴的这种生殖策略是其在长期的进化中对环境选择压力的回应，以使其本身生活史具有适应性
Grinding is a very important process in feed production, which prominently influences feed production cost, feed productivity, following feed processing, feed nutritional value, and animal growing and reproductive performance.
粉碎是饲料生产的一道重要工序，对饲料生产成本、产量、后续加工工序、饲料的营养价值及动物的生长生产性能影响很大。
This paper discussed the effect and possible mechanism of LBP on male animals'reproductive function and offered the basic information to the field of man reproductive health, which has important meaning on theory as well as application value.
目前男性生殖领域存在诸多问题，本文旨在探讨枸杞多糖对雄性动物生殖功能的影响及其可能的机制，为男性生殖保健领域提供基础研究资料，具有重要的理论意义和应用价值。
Gene effects of asexual reproductive characters in silkworm were studied based on the multiple regression procedure for the generation mean value analysis.
利用世代平均值分析的多元回归程序，分析了家蚕无性繁殖性状的基因效应。
The reproductive strategy taken by the female is to invest much energy, and the average value of investment rate is0.
雌性采取的是高投入的生殖策略，平均生殖投入率0。
Objective: To investigate the clinical significance of the predictable value of tertian serum β - human chorionic gonadotropin (β - hCG) and serum progesterone (P) in 3 week pregnancy after assisted reproductive technology (ART).
目的探讨经辅助生殖技术治疗后，在孕3周内检测血清β-hCG隔日上升情况及血清孕酮（P）水平对妊娠结局的预测价值。
Taking institution economics as the visual angle and analyzing the essence and the function of the consumption institution by reproductive process have the double value of both theory and practice.
以制度经济学为视角，从社会再生产过程分析消费制度的本质与功能，具有理论与实践的双重价值。
This article approached two methods of defining the optimal reproductive period of logging trucks: the inferior value method and the marginal benefit method, which may be for the reference of timber transport enterprises or individuals when they make decisions.
探讨了运材汽车最佳更新期确定的两种方法：低劣化数值法和边际效益法，可供木材运输企业（个人）在决策时参考。
The age structure, reproductive age structure, fecundity and reproductive value of Larix chinensis were studied, the reproductive fitness and the reproductive strategy were analyzed in this paper.
研究了太白红杉种群的年龄结构、生殖年龄结构、生殖力和生殖值，分析了太白红杉种群的生殖适合度和生殖对策。
Ecological Concept of Value and " Ecological Transformation " of Contemporary Outlook on Life; In building new reproductive culture, theoretical formation is the soul, and conceptual formation is the core.
生态价值理念与当代人生观的生态化在建设新型生育文化中它的理论形态是灵魂，观念形态是核心。
Results show that the fitness in reproductive growth phase for mainly host crops to cotton bollworm is larger than the ones in nutrition growth phase, and the value of fitness in flowering stage is the highest among different growth stages.
结果表明：主要寄主作物对棉铃虫的潜在适合度的表达程度都以生殖生长阶段优于营养生长阶段，不同生育期之间都以开花期适合度最高。
Value from the legislative, legal hierarchy, the legal effect and application of the Act so profound analysis of the shortcomings of existing law, for the following build and improve our legal system, the surrogate assisted reproductive basis.
从立法价值、法律位阶、法律效果和法的适用等方面深刻剖析我国现行法的不足，为下文构建和完善我国代孕辅助生育法律制度奠定基础。
Serum Ca 2 + level of the male changes little (P > 0.05) throughout the reproductive cycle. Meanwhile, Ca 2 + level of the female increase with ovary development, reaching the maximum value, 31.24 ± 15.61mg/dl and gradually decreases after ovulating.
在生殖周期，雄鱼血清游离钙水平无显著变化（P>0.05），雌鱼血清游离Ca2+水平随卵巢发育上升，产卵后逐渐下降，最高值31.24±15.61mg/dl，最低值6.59±1.30mg/dl。
Objective: Poor ovarian reserve (POR) is the amount of ovarian eggs in the retention dropped to the threshold value or a decrease in egg quality affects the reproductive potential, leading to lower fertility.
目的卵巢储备功能下降（POR）是指卵巢中的存留卵子量降到阈值（临界值）或卵子质量下降以致影响了生育潜能，导致生育力低下。
Ecological Concept of Value and " Ecological Transformation " of Contemporary Outlook on Life; In building new reproductive culture, theoretical formation is the soul, and conceptual formation is the core.
生态价值理念与当代人生观的生态化在建设新型生育文化中它的理论形态是灵魂，观念形态是核心。