I'm just trying to find his biological mother.

My biological mother was a young, unwed college graduate student, and she decided to put me up for adoption.

我的亲生母亲当时是个研究生，年轻未婚妈妈，她决定让别人收养我。

My biological mother found out later that my mother had never graduated from college and that my father had never graduated from high school.

但是我亲生母亲随后发现，我的养母从来没有上过大学，我的养父甚至从没有读过高中。

Research on Carbon Resource on Denitrification Rate for Anoxic Biological Filter

不同碳源对缺氧生物滤池生物脱氮的试验研究

Study on Hybrid Intelligent Control for Variable Rate Anoxic Biological Filter Wastewater Treatment

缺氧变速生物滤池污水处理系统混合智能控制研究

Wastewater treatment by two-stage biological filter with aeration

两段曝气生物滤池废水处理的研究

Study on the Removal Manganese from Groundwater with Biological Filter Media

地下水除锰的生物作用试验

Study of New Biological Filter Media in Sewage Disposal

新型污水生物填料研究

Practice of Biological Filter Bed Technique Used in Treating Municipal Sewage

生物渗滤床技术处理生活污水

Pilot-Scale Study on Urban Runoff Treatment Using Biological Filter

滤池反冲洗废水回用生产性试验研究生态滤沟处理城市降雨径流的中试研究

The biological value ( BV) is 47.88-49.54%;

生理价值（BV）为47.90～49.50%；

Evaluation on phosphorus relative biological value of dicalcium phosphate nanoparticle in rats

纳米磷酸氢钙中磷在大鼠中的相对效价评定

The protein in dry food, therefore, earns a lower biological value score.

饲料中的蛋白质生物价值较低。

The biological value assessment of phosphorus in feeds for swine

猪饲料磷生物学价值的评定

The Cognition of the Biological Value in Pre-Qin Times

先秦时代对生物价值的认识

Effect of Dietary Copper Levels on Biological Value of Iron and Zinc

日粮铜水平对铁、锌生物效价影响的研究

Study on relative biological value of different phosphorus sources in carp

鲤鱼对不同磷源磷生物学利用率的研究

Is the power of the temple in the biological field enough to shield them up?

难道庙宇中生物场的力量足以把它们屏蔽起来？

The other is that of utilizing the thickness of the concrete as an efficient biological shield against nuclear radiation.

另一种是利用混凝土的厚度，作为防止核辐射的一个有效的生物保护罩。

Five differences between the Chinese agriculture and the western agriculture in agricultural ideas, resource conditions, agricultural technology system, type of operation, biological cycle and so on were discussed.

论述了中西方农业在农学思想、资源条件、农业技术体系、经营方式、生物循环等五方面的差异。

Studies on the stand net productivity and biological cycle of nutrient elements in the 29 year old plantations of Chinese fir on different rotations

不同栽杉代数29年生杉木林净生产力及营养元素生物循环的研究