您要查找的是不是：
- Main yield rate of lumber 主产出材率
- To increase the yield rate of quarter sawn lumber, a double-circular sawing technique was developed and fully described in this paper. 摘要为提高径切板的出材率，研究出双联圆锯制材技术。
- DNA yield rate of modified CTAB method was higher than modified SDS method. 改进的CTAB法DNA得率高于改进的SDS法；
- This paper put forward some countermeasures such as fostering forest resources,developing foreign forestry,increasing the output rate of lumber,improving lar... 然后从森林资源培养、海外林业开发、提高锯材出材率、提高规模效应等方面提出中国锯材的贸易对策。
- Dibenzalpenlpentaerythritol was synthesized using sulfamic acid as catalyst.The yield rate of the product was over 87%. 用氨基磺酸催化合成季戊四醇双缩苯甲醛,产品收率达87%25以上。
- The yield rate of this method(calculated from D-p-HPH) can reach to 89% which is higher than 86% reported in literatures. 该方法生产成本低于化学法和国外酶法,以苯海因计收率由国内报道的86%25提高到89%25;
- I followed the road down past the piles of lumber. 我穿过成堆木材，沿着路走下去。
- Piles of lumber were stacked along the road. 大量的木材堆放在路边。
- The yield rate of the compounded amino acids was 35.19%, and that of phytic calcium was 11.73% in the test. And the contents of OZT and ITC were undiscovered in hydrolysates and amino acid products. 复合氨基酸得率35.;19%25;植酸钙得率11
- A piece of lumber cut thicker than a board. 厚板比一般的木板厚的一块木板。
- Using five kinds of different alkalized conditions in the experiment, the result showed that alkalization by strong ammonia was the best condition and obtained the highest yield rate of alkaloids. 在实验中采用五种不同的碱化条件，结果证明以浓氨水进行碱化为最佳条件，生物碱收率最高。
- "A pile of lumber, after all, is not a house. 必竟一堆木材离一栋房子还有一大段距离。
- Results The yield rate of the extractum polygonum cuspistum and the content of emodin is the most effective degree while the condition is 70% alchol concentration,36 h each time fo... 结论醇浓度和浸渍时间对虎仗中有效成分大黄素含量的影响具有显著意义,流速对其影响不大。
- I decided to make the houses frame out of lumber. 我打算用这些木材来制作房屋的檩子。
- The experimental results show that the yield rate of rutin by the way of natural subsidence following ethanol extraction is higher, and the antioxidant activity of the extract is stronger. 实验结果表明：乙醇提取自然沉降法提取芦丁得率较高且相对抗氧化活性较强。
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- Such pieces of lumber considered as a group; planking. 厚板材被认为是一类的这种厚木板；厚板材
- A low volume of business; a considerable volume of lumber. 少量的生意；一定数量的木材
- Compared with the traditional band sawing method, the double-circular sawing technique improved the productivity and the lumber yield rate. 与传统制材普通带锯制材技术相比，可有效提高制材的生产效率和锯材中径切板的比例。
