Methods To collect data by cluster sampling and analyze data by polychotomous Logistic regression.

方法采用整群抽样调查搜集资料,采用多分类回归分析影响因素。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成1,6二氢S四嗪衍生物,除草、杀菌、杀虫活性进行。

Objective Bacteriocin-producing Lactic acid bacteria was isolated from plant-material.

摘要目从植物性材料产细菌素乳酸菌。

Objective To discuss the effect of polybrene technique in blood cross matching and antibody selection.

目探讨凝聚胺技术在交叉配血、抗体作用。

After the dormancy in whole winter, the stem color would be changed into fulvous. 3 single lines with over 1% steroid sapogenin have been selected from those lines with near 1% steroid sapogenin.

利用出皂苷配基含量接近1%材料，育出皂苷配基含量超过1%单株品系3个。

Abstract : It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices.

摘要 ： 目前，在二倍体平上育稻无融和生殖种质难度较大，而在多倍体平稻无融和生殖新种质已成为稻无融和生殖研究新生长点。

According to the shape of screening impurities to shoose hole-shaped sieve plate (move out long ,Diamond impurities)and the slit-shaped sieve plate (move out particles shape impurities and emplastic).

根据杂质形状特点可以择孔形板（去长、菱形杂质）和缝形板（去颗粒形杂质和粘胶物）。

And the paper picks out the best kind of combinability collocation imposing the research of the distill rate, damnification rate, contain shag and contain mixed of turnoff cashmere.

通过对成品绒率、长度损伤率、含粗、含杂等几项指标考核,出了最佳组合机型。同时对羊绒分梳机设计和羊绒分梳应注意问题出了建议。

A mutant, TS-N-121 was obtained by mutation and plate screening from a parent strain Mycobacterium fortuitum MF2 , which could transform sterol into androstanedione as the main product.

从雄甾二酮转化产生菌偶发分枝杆菌MF2出发,经紫外诱变结合平板,获得一株主要转化生产睾酮突变株TS-N-121。

CONCLUSION The QSAR model can predict the MIC of carbapenems and select the biologic-activity compounds, which offer a new way of thinking and references of carbapenems compounds design.

结论所建立QSAR模型能有效地进行碳青霉烯类化合物MIC值预测和化合物，为这类新药开发供新参考和思路。

According to the shape of screening impurities to choose hole-shaped sieve plate(move out long, Diamond impurities) and the slit-shaped sieve plate(move out particles shape impurities and emplastic).

根据杂质形状特点可以择孔形板(去长、菱形杂质)和缝形板(去颗粒形杂质和粘胶物)。

Under the selection pressure of crude toxin filtration, three kinds of treatment methods and four kinds of phytotoxin concentrations were used to screen the blast-resistant callus phenylalanine.

摘要以稻瘟病病原菌粗毒素液为择压，对稻进行抗病性，结果表明：粗毒素液对稻愈伤组织诱导、继代及分化有明显抑制作用，抑制程度随毒素浓度高而增强，且品种间差异显著。

The silique shattering resistance index (SSRI) of 229 accessions (Brassica napus L.) was investigated through random impact test (RIT) for screening silique shattering (SS) resistance.

摘要利用随机碰撞测试方法，对229份自交纯合甘蓝型油菜品种（系）进行了抗裂角指数测定，以期出抗裂角种质。

Based on the colorimetry mechanism,the meaning oftrichroism is studied,as well as the synthetic and selecting principles of trichroism ofreactive and disperse dyes in particular.

本文从色度学原理说明三原色意义,并详细论述活性染料及分散染料三原色合成和原则。

In this paper, we studied the screening me hod, procedure and results of rice somatic mutants with resistance to Pyricularia oryzae Cay. using phytotoxin.

摘要 本文研究报道了抗稻瘟病细胞突变体方法、程序与结果，并对有关问题进行了讨论。

As the “bueaty stone” screened among all kinds of candidates, jade was known for its mellowy, translucent and flinty texture as well as practicality.

玉是从各种石头出来“石之美者”，具有温润莹泽、缜密坚韧美感和实用功能。

Seven isozymes were analyzed by means of horizontal sliceable starch gel electrophoresis.Then further analysis of selected esterase(EST)was carried out on polyacrylamide gel electrophoresis(PAGE).

采用平切片淀粉凝胶电泳检测了七种同工酶酶谱图式，从出酯酶(EST)同工酶进一步作聚丙烯酰胺凝胶电泳(PAGE)分析。

The time of follow –up was eighteen months.The scale of PANSS and SDSS were used.The rate of recurrence, rehospitalization and employment was researched.

采用PANSS量表，社会功能缺陷量表（SDSS）等进行评定，并统计两组就业率及复发率。

PurposeTo choose suitable macroporous adsorption resins to enrich the active compound from Eucommia ,and pinoresinol d gluside (PDG), which show anti hypertensive activity.

目效果较好树脂,对杜仲降压活性成分松脂醇二葡糖苷进行有效富集,高产品质量。

The chemical control under field test showed that 75% Daconil WP and 58% Ridomil-MZ WP obtained the best control of this disease.

在田间行药剂，以75%四氯异苯腈及58%锌锰灭达乐混合可湿性粉剂效果最佳。